Characters / Trinity Seven

Arata Kasuga

Arata Kasuga

Voiced by: Yoshimasa Hosoya (Drama CD) and Yoshitsugu Matsuoka (Anime) (Japanese), Cameron Bautsch (English)

The main protagonist, Arata used to live an ordinary student's life with his cousin and lifelong friend Hijiri, until the Black Sun appeared and destroyed his city, after which his normal life was artificially reconstructed by a grimoire Hijiri left. After Lilith uncovers the truth of his situation, he decides to attend Royal Biblia Academy to learn to tap into his grimoire and find a way to save Hijiri. His thema is Imperium or "Rule" from the Superbia archive.

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• Above the Influence: Although a pervert, the few times he has been offered sex, he turns them down due to not knowing them well enough or them not being in the right state of mind.
• Accidental Pervert: Played With. He typically gets himself in compromising situations with the girls of his harem, such as walking in on them naked. Unlike other examples, Arata very much welcomes it and enjoys those erotic accidents. He is flat out referred to as a lucky pervert.
• Ain't Too Proud to Beg: He begs Lilith to teach him more about magic, so he can have better chances at saving Hijiri.
• All-Loving Hero: Arata always does everything he can to save everyone and is so forgiving that he often befriends people who attacked or seriously tried to kill him and his friends. He states that the intent of his "Rule" is making it possible for him, his friends, the demons, Adjudicators, and even the evil Goddess of Darkness to be happy and laugh together.
• Always Save the Girl: No matter the situation, Arata will always try to protect his companions first.
• Anthropomorphic Personification: After some of the Malebranche killed Dis Trinity, his thema Caritas got divided into Amore and Sensus. The Sensus thema incarnated as a human being who became Arata.
• Anti-Anti-Christ: As the Demon Lord candidate, Arata is destined to one day destroy the world. He decides he will dominate the Demon Lord inside him instead and will fight for a world where he and all his companions are alive and happy. This is driven further home with the reveal that he's basically the son of his world's version of Satan.
• Anti-Magic: He possesses the ability to nullify magic.
• Ask a Stupid Question...: Weaponized in his fight against the corrupted Harukage. Arata asks her if she's wearing panties. The sheer absurdity of asking such stupid question in the middle of a battle that'll decide the fate of the universe causes Harukage/Skade to mentally shut down. This gives Arata the opportunity to attack.
• Badass in Distress: In the Magic Research Presentation arc, Anna takes control of Arata's body by using her spirit magic to turn Astral Trinity into one of her Demon Lord knights. Meanwhile, Arata's consciousness is trapped at the Terminus Library. Arin and Hijiri join forces to find Arata's consciousness and bring him back to his body.
• Battle Strip: Wielding Judecca for the first time causes his shirt to rip, leaving him shirtless for a while.
• Big Brother Instinct: His primary motivation for becoming a magus and gaining power is to take back his foster sister and cousin Hijiri. He even carries around a picture of himself and Hijiri that she drew as a child. Others immediately accused him of having a sister complex because of it.
• Born Winner: He possesses a natural Demon Lord factor that gives him a high level of magic on par with the Trinity Seven despite never having trained as a magus nor even known about magic for most of his life.
• Brought Down to Badass: Due to sacrificing his Demon Lord Element to give a physical body to Anna, Arata's magic power is reduced to that of a regular magus. After a year of training under Anna and Arsha, he upgrades himself into a Sword Magus and shows how badass he can be without his Demon Lord Element by destroying the army of demons at the entrance of Dante's Gate.
• Buxom Beauty Standard: He loves all types of breasts, but the big ones are still his favorite.
• Celibate Hero: Unlike most harem protagonists who are just dense, Arata does acknowledge when a girl has feelings for him and he's very open about feeling sexual attraction to every cute girl he knows. However, he doesn't pursue having an explicitly romantic or physical relationship with anyone, even turning down the chance when it presents itself. He doesn't dislike the idea, but he and the girls are perfectly happy with staying good friends and don't feel the urge to undergo an official Relationship Upgrade of any kind.
• Chivalrous Pervert: He thanks women "for the meal" whenever he sees them nude or in revealing clothing, and generally makes it clear that he would enjoy having all kinds of perverted fun with anyone he finds attractive. Despite all that, he would never take advantage of the girls who like him and is very respectful of their feelings.
• Dark Is Not Evil: He's a Demon Lord candidate and as such he has control over a demonic sword, though he prefers to use his powers to protect his loved ones.
• Deadpan Snarker: Occasionally does this in the face of either some of the "accidents" he gets into or regarding the implausibility of his situation.
• The Defroster: Arata's charisma gives him a natural talent for defrosting the Ice Queens in the Trinity Seven. Other characters point out how Lilith, Arin, and Mira have become much more open and sociable thanks to Arata's influence.
• Dual Wielding: In the Battle Against the Gods arc, Arata now wields two swords; Judecca and Lævateinn the latter being the sword Hijiri turned into.
• Fantastically Indifferent: He isn't that shocked or surprised by learning about the magical stuff in the setting considering that he lived as a normal person until a while ago. He says he already saw enough crazy stuff in the first chapter when he discovered his city was swallowed by a black sun and the grimoire Hijiri gave him created a fake city. Lilith believes that Arata can get along with all of Trinity Seven so well because he treats maguses like normal people.
• Fountain of Youth: After the goddess Aryan defeats him, Arata is saved by Anastasia who makes him reincarnate in the Terminus dimension. As a side effect, Arata is turned into a kid due to Anastasia messing up the age of his new body.
• Fourth-Wall Observer: He likes to break the fourth wall when he points out the fact of how he's just like a protagonist of a Shōnen manga and how the girls shouldn't withhold Fanservice for the readers/audience.
• Full-Contact Magic: He copies Akio's Mantra Enchantment to be able to put a good fight against Liese.
• Harem-Powered: Amongst Arata's plethora of powers and abilities, he possesses Power Copying, so long as he follows certain prerequisites to using an ability. His Battle Harem thus often takes it upon themselves to teach him to use their abilities (such as Full-Contact Magic) to stand a chance against the latest Arc Villain. He is also in possession of multiple Grimoires and even created an avatar for Lilith's Grimoire that has a mix of both "parent's" magic, which he can tap into at any time if his is depleted.
• The Hero: He's the protagonist of the series and thhe story follows his quest to dominate his Demon Lord power and saving others in the process.
• Heroes Prefer Swords: Starting from the Sky Library arc, he wields Judecca the Black Imperial Sword and eventually trains to become a Sword Magus in order to protect his loved ones.
• His Story Repeats Itself: At the start of the series, Arata is unknowingly trapped at a Lotus-Eater Machine with a fake Hijiri until Lilith barges into his fake world and presents him with a Sadistic Choice to put an end to the fake world. In the Dante's Gate arc, there's a nearly identical repeat of the same scenario when Arata and Arin are trapped inside the Nostalgia Library by Arbariccia and Yui summons Lilith into Arata's dream world as she's the only one of Trinity Seven who met Arata before he arrived at the Royal Biblia Academy and this makes her the only one who can intervene in Arata's dream.
• Idiot Ball: After seeing Liese stealing Selina's magical power, Arata all but allows her to do the same to him in the exact same manner. To be fair though, this was after Liese offered him a way to find Hijiri, and that name alone is one of the few that can stop Arata in his tracks.
• Indy Ploy: His plan to defeat Liese and her time magic was to trick her into kissing him so she can absorb the immense power of his Mantra Enchantment located on his tongue and lose control of her own magic.
• I Will Find You: His main motivation for enrolling at the Royal Biblia Academy is find Hijiri who was absorbed by the Breakdown Phenomenon that destroyed their city.
• Kiss Diss: When Yui tries kissing him in her dream world, Arata gently declines because they still don't know each other well enough for that.
• Level-Locked Loot: In-Universe, when he first tried to use Judecca, it states that it requires a Magic Candidate with access to pass their Trinity requirements. Failure to do so enters Judecca into "forced activation" and initiates Demon Lord Berserk Mode and forcibly pulls the required magic out of Arata, transforming him into Astral Trinity.
• Living Emotional Crutch: Liese kept her sanity when trapped in a time frozen world because she believed Arata would save her, which he does eventually.
• Lovable Sex Maniac: He's quite open with his perversion and regularly embraces any "accidents" he happens to get himself into, much to the chagrin of Lilith. He still manages to attract many girls despite his perverted tendencies.
• Mage Born of Muggles: Arata's parents were normal humans, but he was born a Demon Lord candidate with great magical power and decides to become a magus to rescue his cousin Hijiri. It's later revealed that Arata is the incarnation of the thema Sensus that originally belonged to the Great Demon Lord Dis Trinity, explaining his Demon Lord factor.
• Magic Knight: After losing his Demon Lord Element, he trained with Anna and Arsha to become a Sword Magus, gaining full mastery of Judecca.
• Mellow Fellow: He's a very calm and laid-back guy. There's almost nothing that can make him lose his cool unless his companions are threatened.
• Mr. Fanservice: Doesn't act like this as frequently as the girls though.
• Nephewism: He was adopted by his cousin Hijiri's family after his biological parents died in a plane crash.
• The Nudifier: His first and primary magic, nicknamed Stark Naked Magic, causes an individual's Magus Mode to be forcibly removed, which also destroys their clothes. It works even on himself.
• Oblivious Adoption: His biological parents died in a plane crash caused by a magus. To stop Arata's Demon Lord factor from going out of control, Hijiri's mother made Arata think Hijiri was the one who lost her parents and took Arata into the family while having him believe he was always their son.
• Ordinary High-School Student: He used to live an ordinary student's life, until the Black Sun appeared and destroyed his city, after which he decides to attend Royal Biblia Academy.
• The Pollyanna: One of the things that Arata's friends admire the most about him is his almost superhuman optimism. Even in the most hopeless of situations, he never gets depressed and remains the same cheerful guy as always. Got killed by an evil goddess who also slaughtered all of your friends? Just got to train to prepare for round two! And if he survived being killed by the goddess, surely his friends must be alright too!
• Power Copying: His grimoire allows him to copy a person's magic, but requires him to complete three steps for him to properly utilize it: "Concept", which requires him to know the name of the magic and see its execution; "Understanding", which requires him to know the magic's founder from a mage that utilizes it; and "Reasoning", which requires him to dismantle the magic's "nature" through logic.
• Rage Breaking Point: He generally keeps himself under control, but when it looked like Sora and Mira would be killed by the Illias Fragment, he snapped and summoned Astral Trinity.
• Reality Warper: The potential height of his power, given that he was able to reconstruct the entire city in the aftermath of the Black Sun incident.
• Shaping Your Attacks: He can shape his magic into the form of a large multiple eyed dragon that flies at his enemies and "eats" their magic.
• Shirtless Scene: He's shown shirtless from time to time.
• Sixth Ranger: Although the protagonist, he is this to the Trinity 7, having come much latter than them.
• Sole Survivor: He was the only survivor of the plane crash that killed his parents. Ironically, the plane crash was an assassination attempt on him from a magus.
• Strange Minds Think Alike: He and the Headmaster get along pretty well, on account of both of them being perverts par excellence.
• Supernaturally Young Parent: He has a "daughter" named Lilim with Lilith when they're both seventeen, although Lilim is actually Lilith's grimoire who calls them her parents due to gaining sentience from their combined magic energies.
• Take a Third Option:
  • In the first chapter, Lilith presents Arata the options of either giving up the grimoire Hijiri left him and forgetting about Hijiri or holding on to the fake world created by the grimoire so Lilith has no choice but to kill him. Once he confirms Hijiri is still alive, Arata goes for option number three and enrolls at the magic academy so he can find a way to save Hijiri.
  • He goes for his third option again when a similar scenario happens with Lilith twice in the Dante's Gate arc. First in the fight against Last Trinity and then when Arata is trapped in the Nostalgia Library.
• Thanks for the Mammary: The first scene of the series is Arata waking up and groping "Hijiri's" (actually Sora in disguise) breast. Similar incidents happen often. And Arata is just as nonchalant every time.
• Unknowingly in Love: When Arata first meets Anna, his face turns red and his heart starts beating fast. He has no idea of why he's feeling that way until Levi tells him that he must be in love with Anna. Then it's subverted; Anna explains Arata's Demon Lord Element just had compatibility with her Terminus Thema and his reactions to her had nothing to do with love.
• What Is This Feeling?: During his first meeting with Anna, Arata gets very flustered and can't stop blushing around her. He wonders what are the feelings that cause him to act that way; Levi says they're love, but Arata isn't sure about it. Later on, Anna reveals Arata's unusual feelings towards her were caused by his Demon Lord Element reacting to the ruler of Demise.
• What You Are in the Dark: In the OVA, Lilith peeks on Arata putting Mira to bed. She thought he was going to do naughty things to her, but all he does is put her in her bed and then a blanket over the sleeping girl.
• Worf Had the Flu: Part of the reason why he and Lieselotte lost their tournament match against Arin and Yui is that Arata's magic was unstable due to his awakening Demon Lord factor.

Trinity Seven

General

• Amazon Brigade: All the members of Trinity Seven are girls and they're the top mages of their respective archives at Royal Biblia Academy.
• Badass Crew: Trinity Seven is a group of seven female mages that mastered their respective Archives of magic.
• Balanced Harem: While Lilith is the main heroine, all the members of Trinity Seven are relevant and Arata would gladly take all of them as his lovers.
• Battle Harem: Every of the powerful female mages of Trinity Seven has shown feelings of attraction for Arata.
• Multiple-Choice Chosen: The Trinity Seven functions similar to this. Each member must be the master of their respective Archive's Last Crest, however, only one person is capable of mastering a Last Crest. So long as the individual can master it, is the only master, and is a girl, anyone can be a Trinity Seven. This presented problems when Abyss Trinity sent Lilith into this reality, as she was a master of the Luxuria Last Crest, despite Anastasia-L already being a master and the intended Trinity Seven. As a result, a Breakdown Phenomenon would have occurred had Anastasia-L not been ejected from the α reality, and Lilith became the default Luxuria Trinity Seven.
• Only Known by Their Nickname: They are only called by their magus alias because maguses don't normally let others know their real names in order to protect their souls.
• Power Stereotype Flip: Most of the Trinity Seven have an Archive associated with one of the Seven Deadly Sins that is opposite of what their personality is. For example, Lilith's Archive is Lust yet she's embarrassed about her big breasts and hates perversion. Arin's Archive is Wrath, but she's The Stoic. The only member of Trinity Seven whose personality matches her Archive's sin is Lieselotte before her Heel–Face Turn.
• Seven Deadly Sins: Each member of Trinity Seven uses a magic Archive representing one of the deadly sins.
  • Lilith's Thema's are Abies, Fall and Vanitas from the Luxuria (Lust) Archive.
  • Arin's Thema is Ruina from the Ira (Wrath) Archive.
  • Mira's Thema is Justitia from the Superbia (Pride) Archive.
  • Akio's Thema is Fides from the Gula (Gluttony) Archive.
  • Levi's Thema's are Expectatio and Spero from the Invidia (Envy) Archive.
  • Yui's Thema is Amicitia from the Avaritia (Greed) Archive.
  • Lieselotte's Thema is Stagna from the Acedia (Sloth) Archive.
• Single-Target Sexuality: No one in Trinity Seven ever shows any attraction for anyone other than Arata.

Lilith Asami

Lilith Asami (Birth name: Lilith Azazel)

Voiced by: Ai Kayano (Drama CD) and Yumi Hara (Anime) (Japanese), Allison Sumrall (English)

A red-haired girl and teenaged teacher at Royal Biblia Academy who Arata meets at the beginning of the story, warning him to "wake up" from the illusion he created. After the latter resolves to become a Magus to save Hijiri, he was assigned under her class. Her thema is Abies from the Luxuria archive.

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• Action Girl: One of the biggest ones in the series in terms of ranged combat.
• Alchemy Is Magic: Her branch of magic is Outer Alchemic which uses the theory of Equivalent Exchange as basis to transmute materials into different forms. She has stated that her magic is one of many different versions of alchemy. Outer Alchemic, in particular, requires her to activate a macro consisting of three stages to activate her spells: Comprehension, Deconstruction, and Reconstruction.
• Asmodeus: Her Super Mode, that is the manifested form of the Luxuria Archive, is called Aeshma. This is the Younger Avestan name of Zoroastrianism's demon of "wrath" that later became the origin of the name of Asmodeus or Ashema Deva, a demon lord representing lust.
• Badass Cape: She summons a dark cape with a long collar when using the Aeshma form of the Luxuria archive.
• Badass Teacher: She feels it's her responsibility as a teacher to look after Arata and the other Trinity Seven. For the sake of protecting them, she masters the Vanitas thema that grants her the power of absolute negation.
• BFG: She wields a rather large one at times.
• Braids of Action: Her hair has a single strand at the side of her bangs braided and she's a skilled gunner.
• Buxom Beauty Standard: Lilith is the most well-endowed of Trinity Seven, making her the girl Arata is the most physically attracted to.
• Calling Parents by Their Name: Even after knowing the Demon Lord Abyss Trinity is her father, Lilith only calls him "Abyss-san". Abyss would like her to call him "Father", but Lilith refuses. After Abyss tells Lilith about his past with her mother, Lilith calls him "Dad" for the first time, even if not in front of him.
• The Confidant: Lilith is the one Arata opens up to in the rare moments where he has doubts and her advice can immediately let him regain his confidence.
• D-Cup Distress: She gets very embarrassed whenever anyone, usually Arata, points out her large chest size.
• Dimensional Traveler: Lilith is actually a magus from another dimension that was destroyed by its Demon Lord, who happens to be her father.
• Fiery Redhead: Zig-Zagged. While she has red hair, she's normally rather even-tempered. It's when perversion is involved that she fits the 'fiery' part of the trope perfectly.
• Formal Characters Use Keigo: Lilith is well-spoken at all times, even when speaking to her closest friends. While she's 17 years old like Arata, she's already a teacher at Royal Biblia Academy, so she always speaks very politely as it's expected of someone of her occupation.
• Genre Savvy: Eventually, after enough perverted incidents with Arata, Lilith opts to wear a swimsuit during her morning bath because she knew Arata would try and peep at her.
• Good Parents: Her grimoire takes human form after absorbing Arata's magic energy and calls Lilith her mother. Lilith thinks it's embarrassing that she has a grimoire "daughter" with Arata, but Lilith loves Lilith and acts like a nice mother to the little girl nonetheless.
• He Is Not My Boyfriend: She refuses to admit she has any feelings for Arata and claims to only be looking after him as his teacher, not that she can fool anyone.
• Hot Teacher: Arata finds himself lucky to have a busty pretty girl for a teacher. It helps she's the same age as him.
• Hypocrite: She berated those like Liese about how magic must be developed and mastered through hard work and dedicated research. After the confrontation with the Great Demon Lord's grimoire, Lilith seeks to find the essence of the Luxuria archive by making contact with the Vanitas thema housed inside her father's sword. Abyss is quick to point out his daughter's hypocrisy, but doesn't consider it a bad thing because that Lilith is willing to go against her own beliefs for the sake of obtaining the power to protect her comrades is proof of her resolve.
• Immortality Begins at Twenty: Because she's a human from another dimension and the daughter of a Demon Lord, Lilith is going to stop aging at some point and stay like that forever.
• Improbable Age: She's already a teacher at Royal Biblia Academy despite being only 17, the same age as Arata.
• The Lancer: She's Arata's main right hand and Foil as her more serious personality and disdain for perversion directly opposes Arata who is a laid-back Lovable Sex Maniac.
• Long-Range Fighter: Her specialty is long-range attacks with firearms.
• Love Hurts: Feels a little jealous after watching Arata put Mira in her bed in the OVA after the latter falls asleep teaching him. She ends up going to his room crying and says he can spend the night with her. He realizes something is unusual with her request and instead just cheers her up.
• Luminescent Blush: Whenever she's around Arata.
• Macguffin Super Person: In the Sky Library arc, Abyss Trinity needs Lilith as her being his daughter makes her the Last Key he needs to recover his full Demon Lord power and destroy the current world like he did with his own.
• Mark of the Supernatural: When she combines the Aeshma Super Mode with her Demon Lord factor, Lilith gains heterochromia.
• Marshmallow Hell: Tends to do this to Arata when protecting him.
• Meaningful Name: Lilith shares the same name with the well-known succubus from Jewish mythology. Succubi are known to be lustful demons, a direct reference to her Luxuria Archive.
• More Dakka: Her Telluric Buster spell summons multiple guns in mid-air and Lilith fires them all at once at her opponent.
• Moses in the Bulrushes: Her father, the Demon Lord Abyss Trinity, sent an infant Lilith off from their destroyed world to the series' main dimension. He states he did this so the depowered version of him summoned into that world could use the Last Key in Lilith's body to regain his original power and destroy the world again.
• Ms. Fanservice: Often lampshaded by other characters, especially Arata, that she has an enviable figure. She doesn't mind wearing a swimsuit except when Arata is near.
• Navel-Deep Neckline: Her Aeshma form exposes her abdomen and most of her breasts.
• Next Tier Power-Up: Her dormant Demon Lord Element activated when she drew up on Arata's power. During the one-year Time Skip, Lilith fully mastered her father's Vanitas thema and dominated her power as a Demon Lord's daughter to upgrade her Aeshma Super Mode and gain the power to rival the Malebranche.
• Nom de Mom: Her surname Asami was the maiden name of her mother Arles. Lilith wasn't aware of this until she heard about her mother from Abyss.
• Parental Title Characterization: When she finally meets her mother Arles, Lilith at first is confused and awkward, so she tries calling her "Arles-san". However, Arles insists on being called "Mama" and Lilith reluctantly does so.
• Pervert Revenge Mode: Due to the overwhelming amount of perverts in the cast, especially Arata, she enters this quite often.
• Power Dyes Your Hair: Her red hair becomes white when she enters her upgraded Aeshma Super Mode that has full mastery of the Vanitas thema. Unlike other cases, it takes a while for her hair to go back to normal even after she deactivates the Super Mode.
• Power of the Void: By mastering the Vanitas thema, Lilith develops the Azodia Buster that surrounds her in a total Extermination Mode that negates all attacks aimed at her.
• Redheads Are Ravishing: Played With. The redheaded Lilith has the most voluptuous figure out of the main heroines and Arata certainly finds her sexually attractive. However, she's a magus of the Luxuria archive, which ironically means lust and sexuality are the polar opposite of her personality; she's very prudish and hates perversion.
• Reluctant Fanservice Girl: She does not like getting into situations that reveal her skin, but she is the most likely target for such situations, and not just from Arata.
• Secret Legacy: She's actually a daughter of Demon Lord from another world and as such is a Demon Lord candidate herself. On top of it, her mother was the reincarnation of an Adjudicator and conceived Lilith with Abyss Trinity to create one of the keys to defeat the Goddess of Darkness.
• Sensei-chan: She's Arata's homeroom teacher, but she's just 17 like him. She isn't that mature compared to Arata despite trying to act like it.
• Sexy Backless Outfit: Her Magus Mode has her wearing a backless blouse.
• Sexy Mentor: She's the one who introduces Arata to magic and brings him to Royal Biblia Academy, where she becomes his official Hot Teacher.
• Signature Headgear: She's rarely seen without her iconic beret-like hat.
• Small Girl, Big Gun: She can summon guns that are as long as she is tall.
• Smart People Wear Glasses: They occasionally appear as part of Lilith's Magus Mode, apparently when she's using her BFG.
• Sour Prude: Downplayed; she is extremely concerned about the sexual conduct of those around her, and wants them to remain proper, but isn't sour about it.
• Stock Light-Novel Calamity Princess: Although she doesn't originate from a light novel, Lilith has the long red hair, the position as demon princess and the love interest focus in an ecchi harem. She exchanges fire powers for firepower with her magic focused around destruction, often manifesting as a BFG. She was considered rather cold by other people prior to the start of the series, and likewise felt different or isolated. This is revealed to be because she was born in an alternate world and sent to this one as part of an experiment. In fact, her own father is one of the major antagonists the heroes must defeat.
• Straight Man: Lilith is in charge of keeping Arata's perverted antics in check and often delivers the punch line in the comedic scenes. Lampshaded by Arata and Levi.
• Stripperiffic: In her Aeshma Super Mode, her clothes are basically thigh-high boots, elbow-length gloves, and a bikini-like "garment" that only barely covers her private parts.
• Strong Family Resemblance: She looks identical to her mother Arles Azazel.
• Supernaturally Young Parent: She's seventeen years old and technically has a daughter with Arata, named Lilim, who is actually Lilith's grimoire who gained human form thanks to Arata combining his magic power with Lilith's.
• Superpowerful Genetics: Like Arata, Lilith has a natural Demon Lord Element from birth due to her father being a Demon Lord from another dimension.
• Teacher/Student Romance: She's Arata's homeroom teacher and the two are obviously attracted to each other.
• Teen Genius: She is smart enough to be a teacher at age 17.
• Took a Level in Cheerfulness: She was a distant Stern Teacher before Arata arrived at the Biblia Academy. Ever since she started interacting with him, she has become more relaxed and open.
• Transmutation: Her magic, Outer Alchemy, allows her to transmute metals to create weapons such as different types of guns.
• Tsundere: Sweet type. She's normally nice, calm and pleasant all-around. If someone, especially Arata, does something perverted, she gets easily angry and violent.
• Two First Names: Her surname Asami is also used as a common feminine Japanese given name.
• Wall of Text: In Chapter 7 when she tries explaining what alchemy is to Arata.
• What Is This Feeling?: In the OVA, she wonders what is the painful feeling in her chest after she sees Arata caring for a sleeping Mira.
• You Are Not Alone: During the fight with Libic's Last Trinity, Arata nearly has a breakdown as a result of almost pushing himself over the limit due feeling he needs to protect his friends on his own out of fear of losing them like he lost Hijiri once. Lilith reassures him that he doesn't need to burden himself with protecting everyone since all his comrades are there to fight at his side.

Arin Kannazuki

Arin Kannazuki

Voiced by: Noriko Shitaya (Drama CD) and Aya Uchida (Anime) (Japanese), Christina Stroup (English)

A strange blue-haired girl who bears an uncanny resemblance to Hijiri. Her thema is Ruina from the Ira archive.

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• A-Cup Angst: She becomes unhappy about her small bust size because Arata prefers big ones like Lilith's and Liese's.
• Action Girl: She specializes in magical attacks and defense. So she's often not in the thick of things, but is seen assisting the others quite often.
• Amnesiac Hero: She has no memory before the age of 8.
• Bedmate Reveal: With Arata (alongside Yui), in chapter 11.
• Big Damn Heroes: In Chapter 25, she saves Arata and Lilith from Hijiri's Black Azazel in the most epic way imaginable.
  ...I heard my husband's voice so I broke down time and space and came flying to his side.
• Catchphrase: "This is difficult." Arata borrowing enough to make her smile.
• Clingy Jealous Girl: Downplayed. Though she scolds Arata any time he gets too close to Lilith, she says it in her usual monotone pattern. As a result, it sounds almost like she's just saying it just to be the stereotypical jealous girlfriend/wife. Arin states she's alright with seeing Arata with any of the girls of Trinity Seven because they're all True Companions, but she can get upset when Arata shows interest in girls outside the group like Anastasia.
• Defrosting Ice Queen: In a different variant than Mira, she used to be completely emotionless, but being around Arata has caused her to show a wider arrange of emotions and becomes very supportive of him.
• Delayed Reaction: When Arata walks in on her naked, it takes Arata telling her to freak out for her to even let out a "Kyaaah" in a low monotone.
• Emotionless Girl: As her personality is the opposite of her Ira archive, Arin doesn't feel emotions, speaks in monotone, and is solely focused on her magic research. Meeting and falling in love with Arata causes her to develop emotions and grow to care about others.
• Establishing Character Moment: Her first appearance has Arata running into her in the men's side of the bathroom as Arin saw nothing wrong with using it when men weren't around. She then continues speaking with Arata like normal, not even trying to hide her naked body, until Arata runs away from the bathroom. This makes clear there's something... peculiar about Arin.
• Identical Stranger: For some strange reason, she looks identical to Arata's cousin Hijiri. It's eventually revealed that Arin and Hijiri are reincarnations of Celestia, the priestess of Yggdrasil, explaining why they look the same.
• Idiot Hair: She has a cowlick that stands atop her head. It even curls.
• Lack of Empathy: Early on, she performs an "experiment" by making Arata's Demon Lord element go on a rampage and causes a Breakdown Phenomenom at the school, nearly getting most students killed. She saw nothing wrong with what she did because all she cares about at that point is her own magic research. After a while, she learns to care about Arata and her friends from Trinity Seven.
• Mysterious Past: Arin's past remains a mystery to even her. Her earliest memory is when she was around eight years old, she was shrouded in darkness before growing conscious of her existence. Shortly after she became first aware of the world around her, the headmaster came to pick her up and brought her to the Royal Biblia Academy.
• Naked First Impression: Arin first meets Arata in the men's bath with both of them naked. Hilariously, Arata was the only one freaking out while Arin was rather nonchalant during the whole experience.
• Naked on Arrival: Her first appearance has her completely naked, as Arata walked in on her taking a bath... in the male bathroom.
• No Social Skills: She is blunt and lacks common sense, and tends to not properly react to situations.
• Power Perversion Potential: She can break down and reform hers and others' magically fabricated clothes to change them into Fanservice costumes like Naked Apron, Meido, Naughty Nurse Outfit, and Playboy Bunny to please Arata.
• Public Domain Artifact: She later upgrades her Gae Bolg spear to Gungnir, mythical weapon wielded by the All-Father Odin himself.
• The Quiet One: She doesn't really talk much.
• Rei Ayanami Expy: She's a mysterious young girl with short pale blue hair, yellow eyes, and pale skin. She displays an unnervingly stoic behaviour yet reveals a Sugar-and-Ice Personality as she falls in love with the protagonist, has a lack of social skills and a general unconcern with being seen naked. She even bears a striking resemblance to one of the protagonist's family members.
• Reincarnation: She's the reincarnation of one half of the soul of the priestess of Yggdrasil Celestia, the other half being Hijiri.
• Reincarnation Romance: She's one of the two reincarnations of Celestia, the priestess of Yggdrasil who fell in love with Arata when she met him during a temporal connection of their time periods in the third light novel. Arin and Hijiri were born from Celestia's final wish of seeing Arata again.
• Ring of Power: Her grimoire is a magic ring that turns into an Spell Book when she releases its power.
• Runic Magic: Her branch of magic is Chaotic Rune that manifests the power of gods into Norse runes.
• Self-Proclaimed Love Interest: She claims Arata to be her husband and considers them to be already married. This is because as a reincarnation of the priestess of Yggdrasil, Arin is qualified to be the Demon Lord's wife.
• Shameless Fanservice Girl: Getting seen naked by Arata doesn't bother her, as their Naked First Impression at the bathroom had Arata being the one getting flustered while Arin acted like normal. She continues taking baths with Arata since she thinks of it as "preparation for their marriage". Although, she does tell Lilith that Arata is the only one she's going to let see and do anything he wants to her naked body.
• Stalker with a Crush: When she first takes an interest in Arata, she spends a whole day following him everywhere around the academy. She even tries following him to the bathroom until he stops her.
• The Stoic: Always has a cold expression on her face, rarely showing any other emotions.
• Sugar-and-Ice Personality: She's a quiet borderline Emotionless Girl most of the time, yet she reveals a cute and affectionate side to Arata.
• Took a Level in Cheerfulness: Arata's presence in her life has made her livelier as she was an Emotionless Girl before she met him.
• Tsurime Eyes: Arin's eyes are narrow and sharp, in contrast to her Identical Stranger Hijiri's Tareme Eyes.
• When She Smiles: It isn't often, but when she does, she has a cute smile.

Mira Yamana

Mira Yamana (Real name: Kagami Amano)

Voiced by: Suzuko Mimori (Drama CD) and Yōko Hikasa (Anime) (Japanese), Chelsea McCurdy (English)

The Head of Grimoire Security. Her orb is her grimoire. Her thema is Justitia, which is part of the Superbia archive.

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• Action Girl: Like Arin, she specializes more in magical attacks rather than physical ones like Akio and Levi.
• Aren't You Going to Ravish Me?: In the OVA, Mira falls asleep while studying with Arata. Arata carries her to her bed, where she wakes up without him noticing, and Mira still pretends to be asleep, fully expecting Arata to take advantage of her. All Arata does is putting a blanket over her and wishing her good night. Once he's gone, Mira berates herself for feeling a bit disappointed at Arata not sexually assaulting her.
• Attack Reflector: Her magic, Gehenna Scope, reflects any magic directed at her. It even protects her against Arata's Anti-Magic spell.
• Badass Adorable: She's a petite Tsundere who acts adorably flustered around Arata after she warms up to him. Although more of a Squishy Wizard than the rest, she's still a Trinity Seven and later becomes a Hero candidate too, making her a formidable magus.
• Badass Cape: Her Magus Mode is basically a white cape over her school uniform.
• Bathtub Bonding: She and Akio have some bonding time at the bath in downtime chapters.
• Beautiful Dreamer: Arata compliments her sleeping face in the OVA.
• Berserk Button: Don't do anything impure in front of her.
• Big "NO!": After Arata accidentally gropes her.
• Braids of Action: After the one-year Time Skip, she starts tying the back of her hair in a braid and eventually undergoes training under Arsha to bring out her true potential as a Hero candidate.
• Can't Catch Up: She starts feeling this way in the Magical Research Battle arc as everyone else in Trinity Seven is coming up with new moves and/or acquiring more themas while the only new spell Mira has developed is creating a Golem. During the travel to the Dante's Gate arc, Mira is the only one who isn't at the level to evenly match one of the Malebranche on her own. She does eventually catch up when she undergoes Training from Hell with Arsha to awaken her talent as a Hero candidate and gain the power to defeat the magical body of the Great Demon Lord.
• Catchphrase Insult: She has a habit of calling perverse and evil things "impure".
• Covert Pervert: Despite trying to be the "pure" girl, she can harbor dirty thoughts of Arata from time to time. In the OVA, after she falls asleep, he puts her in her bed. She wakes up but doesn't open her eyes completely. Thinking he was going to kiss her, she puckers up, only to have him put a blanket over her, and thanking her for helping him on his Thema research.
• Crystal Ball: Her grimoire is a crystal orb that she uses to cast her spells and analyze her opponents' magic and thema.
• Defrosting Ice Queen: She's initially the most hostile to Arata out of the Trinity Seven due to the fact that his uncontrollable Demon Lord element marks him a serious danger to the academy. After showing his strength to her in the face of danger and saving her from Ilia, Mira warms up to him.
• Fanservice Pack: Arata is quick to notice that Mira's breasts got bigger when they see each other again after she has become an Adjudicator.
• First-Name Basis: With Arata, after the incident with the Ilias Fragment, which is lampshaded by Akio and Lilith.
• For Great Justice: She has a passionate belief in justice, fitting with her thema Justitia.
• The Glasses Come Off: She wears glasses for the first half of the Dante's Gate arc until she takes them off when she decides to undergo Arsha's Training from Hell and become a true Hero Candidate.
• Goofy Print Underwear: Her panties, being accidentally revealed when Levi uses her wind spell, has a rabbit printed on it. According to Akio, she decides to avoid wearing them after that incident.
• Hair Antennae: Two strands of hair that stick up from the top of her head.
• Hair of Gold, Heart of Gold: She has blonde hair and is a heroic magus who enforces justice.
• Heroic Willpower: Becoming a Hero should have turned Mira into a mindless tool that only acts to protect the world. Yet, Mira doesn't lose her consciousness and retains her personality. Even Dis Trinity is amazed by Mira's mental fortitude.
• Heterosexual Life-Partners: She's almost always seen alongside Akio and they appear to have the closest friendship among the Trinity Seven members.
• Humble Heroine: Despite her thema, Mira hides a shy and humble personality, and does not consider herself a genius despite evidence otherwise.
• Knight Templar: As the top seat of the Grimoire Security she's tasked to suppress any Breakdown Phenomenon and eliminate potential factors that would set one to occur. Even if it would mean killing.
• Light The Way: White Universe is a bright light generated from her releasing magic she has stored up.
• Little Miss Badass: Despite her small size, she's a member of Trinity Seven and a Hero Candidate. She can crush the magic body of the Great Demon Lord after some training to unleash her true potential.
• Meido: She has a part-time job at a maid cafe. She is mortified when Arata learns this.
• Monster/Slayer Romance: Mira is a Hero candidate, meaning she's destined to become someone who will eliminate any existence that threatens to destroy the world including mainly the Demon Lord. She's in love with Arata who eventually becomes the Great Demon Lord and her feelings remain intact even after she becomes a true Hero.
• Next Tier Power-Up: She undergoes two of them. First, she's killed by Arsha's Eleven Divine Magic Swords of Tiamet to awaken her hidden power as a Hero candidate and defeat Dis Trinity's magical body. Later, she's recruited as a potential Adjudicator and connects to the Justitia cloud to become a real Hero before the battle against the Goddess of Darkness and her army begins.
• Power Gives You Wings: After she fully awakens as a Hero, Mira gains angel wings.
• Reluctant Fanservice Girl: She frequently gets stripped naked or exposed in some way to then be involved in all sorts of embarrassing incidents with Arata, to Mira's chagrin.
• Resurrective Immortality: As a Hero candidate, Mira has the power of resurrecting whenever she's killed in order to endlessly fight the evil that threatens the world.
• Showgirl Skirt: Her new Magus mode after becoming a Hero candidate has a skirt that splits at the front.
• Shrinking Violet: She was very shy around everyone until Akio helped her to be social.
• Squishy Wizard: While the other Trinity Seven have some physical abilities and martial arts, Mira has none. If she can't use her magic, she is screwed. This isn't a problem for her anymore after she becomes a Hero candidate and obtains the ability to instantly heal from fatal attacks.
• The Stoic: She usually has the same serious expression on her face. Of course, she has plenty of Not So Stoic moments thanks to Arata and to a lesser extent, Akio.
• Summon Magic: Her spell Jabberwocky Lines creates a giant stone Golem to attack. Naturally, it can reflect attacks. After her training with Arsha makes her into a Hero candidate, Mira develops an upgraded version of the spell called Sandalphone Lines, which makes the Golem even more powerful and gives it a sword. After she becomes a true Hero, Mira can summon and control an entire army of mechanic puppets.
• Talented, but Trained: Mira has an incredibly great magic potential due to being a Hero candidate, but she doesn't fully brings it out until she undergoes a deadly Training from Hell from Arsha.
• Temporary Blindness: At the tournament match against Anastasia, Mira casts a White Universe spell powerful enough to damage Astral Trinity. However, she goes blind as a consequence. After the one-year time skip, she has recovered her eyesight, but still needs to wear glasses for most of the Dante's Gate arc.
• Took a Level in Badass: During the Dante's Gate arc, Mira is subjected to Training from Hell by Arsha in order to achieve her potential as a Hero candidate. The result is Mira achieves Trinity by mastering three themas, can resurrect from death after a microsecond and has become powerful enough to destroy the magical body of the Great Demon Lord, which is considered a great accomplishment even if the magical body is several times weaker than the real one.
• Tsundere: Harsh type. She comes off as harsh and no-nonsense, but it doesn't take much to discover the easily flustered Shrinking Violet she's underneath. She also refuses to be honest about any affection she feels for Arata despite all the Luminescent Blushes she gets around him. Sora and Arin even call her this.
• Tsurime Eyes: Piercing and sharp eyes, a perfect reflection of Mira's personality.

Akio Fudou

Akio Fudou

Voiced by: Yuu Kobayashi (Drama CD) and Ryōka Yuzuki (Anime) (Japanese), Patricia Duran (English)

The partner of Mira in operating Grimoire Security. Her thema is Fides, which is part of the Gula archive.

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• Astral Projection: Her spell S'Chizein allows her to separate her spirit from her body, making Akio appear in the spiritual form of her younger Spriggan self. However, this spell leaves her physical body unconscious until she perfects the spell later on.
• Bathtub Bonding: She and Mira have bonding moments at the bath in some chapters.
• Blade on a Rope: After Okto becomes her grimoire, Akio gains a new weapon in the form of a rope with a blade attached to one end.
• Boisterous Bruiser: Physically strong and outspoken.
• Chef of Iron: She's both a master of Full-Contact Magic and a part-time chef of a maid cafe.
• Close-Range Combatant: Her fighting style is completely focused on hand-to-hand combat with her fists and legs as her only weapons.
• Cool Big Sis: She acts as a caring older sister to Mira, and broke her out of her shell she had when she first came to the school.
• Dark and Troubled Past: She was the Sole Survivor of an attack on her hometown by the Demon Lord of Luxuria, who basically just did it For the Evulz.
• Determinator: During the Time Skip in the Gods arc, Akio challenged Amana, who had been turned into a God's Kin by Aryan, an infinite amount of times for years. She got instantly killed many thousands of times, but she stood up to fight again every time she got revived by her opponent.
• Dungeon Bypass: Her answer to going through a labyrinth is to kick down every wall until she gets to her destination.
• Evil Stole My Faith: Akio used to be a religious nun and spriggan, but lost it due to Abyss Trinity destroying her hometown on a whim. Her Thema is Faith because she desperately wants it back.
• Fighting Spirit: After the one-year Time Skip, Akio has perfected her Astral Projection spell so that both her physical and spiritual bodies can fight at the same time.
• First Friend: She was the first to approach and befriend Mira back when the latter was too shy to socialize.
• Fountain of Youth: Apparently she regress to an earlier age whenever she uses too much magic. This gets lampshaded by Arata.
• Full-Contact Magic: Her magic, Mantra Enchantment, allows her to strengthen a part of her body to increase their offensive and defensive power.
• Heterosexual Life-Partners: She almost never leaves Mira's side. Both are clearly each other's closest friend.
• Huge Schoolgirl: She's much taller than most of the rest of the cast, especially her partner Mira.
• Humble Hero: She honestly doesn't consider herself special when compared to the other girls of Trinity Seven, but her immense strength and unbreakable willpower make her just as amazing as them.
• Kick Chick: Her primary means of magic delivery is via devastating kicks.
• Kung-Fu Wizard: Due to her Full-Contact Magic, her powers are geared towards physical fighting, so she tends to use her feet quite a bit.
• MacGuffin Guardian: She was originally part of the Spriggan tribe that acted as guardians of the Demon Lord weapons sealed at the Sky Library. That was until one of the weapons got bored and used the other weapon to destroy Akio's hometown.
• Modesty Towel: She wears one in the OVA when she takes a bath with Arata, though she mentions she doesn't normally do it.
• Navel Window: She leaver her shirt unbuttoned at the bottom, creating a gap that exposes her navel.
• The Pollyanna: Akio is very caring and carefree, despite her horrific past.
• Sexy Slit Dress: Her usual outfit has a long black skirt with double slits revealing the both sides of her bare legs. Makes sense given that she mainly fights with kicks.
• Showgirl Skirt: Her nun-like Spriggan outfit has a skirt with a longer backside than the frontside.
• Slasher Smile: Her wide grin can come off looking like this from time to time.
• Sleep-Mode Size: After using too much of her magic, Akio turns into a child version of herself. She calls this "Empty Stomach Mode".
• Spirited Competitor: She enjoys the prospect of fighting strong opponents like Levi.
• Statuesque Stunner: She's the tallest girl in Trinity Seven and just as hot as any of the others.
• Supreme Chef: Fittingly for the Trinity Seven of Gluttony, Akio works as a cook at a maid cafe and her food is really good.
• Tomboyish Ponytail: After the one-year Time Skip, Akio wears her hair up in a ponytail and is still one of the close-combat specialized members of Trinity Seven.
• Transformation Sequence: Averted, it is mentioned that she is always in Magus Mode due to being a combat mage.

Levi Kazama

Levi Kazama/Mahitotsuhime

Voiced by: Saki Fujita (Drama CD) and Ayane Sakura (Anime) (Japanese), Carli Mosier (English)

A ninja and the Trinity Seven of Invidia. As a user of Shamanic Spells, she is considered to be one of world's top five fighters. Her thema is Expectatio from the Invidia archive.

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• Absurdly Sharp Blade: In Sorcerer Mode, she uses a Shadowless Slash with an incorporeal blade that bypasses barriers.
• Blow You Away: A lot of her attacks involve wind, including her alleged Last Crest, Leviathan.
• Casting a Shadow: In Sorcerer Mode, Levi is capable of manipulating shadows.
• Catchphrase: "'Cause I'm a ninja."
• Child Prodigy: When she was a child, Levi was already a ninja prodigy who could defeat the forces of the Wu Xing Shadow Ninja Force. Special mention to the fact that all her ninja skills at that time were self-taught as her village has her locked inside a temple at that point and she wasn't properly trained as a ninja until Ryuki took her under her wing.
• Close-Range Combatant: She specializes in physical attacks using her blade.
• Combat Pragmatist: As a ninja, Levi employs traps and trickery in fights.
• Cool Mask: In Sorcerer Mode, Levi sports a mask that covers the lower half of her face.
• Cool Sword: The katana she always carries around.
• Dark and Troubled Past: She is implied to have lived a hard life, but it is not elaborated on in the main series. The Levi Story spin-off explains it in detail. She was said by her village to be a reincarnation of the god Amenomahitotsu no kami, who is considered to be a god of calamity, and got sealed inside a shrine because people are afraid of her powers. She befriended her "medium", Charme Kazama, the one who was meant to be the sacrifice for her, only for her village's enemy to attack the village and killing its people, including the medium, and later she got inducted to be a ninja by her later-rival, Ryuhime Kashin. To add more gasoline to the fire, Charme's body was later reused as the host of the legendary weapon Muramasa, in which she was meant to retrieve.
• Doppelgänger Attack: Levi's ninja techniques include creating illusionary copies of herself to distract her opponent in a fight.
• Druid: Her branch of magic, Shamanic Spell, allows her to "become one with nature" so that she can manipulate wind and combine it with her ninja techniques. She can also create the projection of a natural spring by summoning the "memory of the water" in the school pool.
• Dual Wielding: In Sorcerer Mode, she uses twin machetes as weapons.
• Expository Pronoun: She's notorious for using "jibun" to refer to herself. She used the more common "watashi" when she was a child and switched to "jibun" as a trait she picked up from her childhood friend Charme.
• Fashionable Asymmetry: She wears a black sock that covers her right calve and a black leg warmer that conceals above her left knee.
• First Friend: She was the first of Trinity Seven to treat Yui as a friend when the latter still needed to be kept sleeping at the school's dungeon, although Levi only befriended Yui because the Headmaster ordered her to. After Arata wakes her up and stabilizes her magic, Yui can stay awake and make friends with the rest of Trinity Seven.
• Flipping the Table: She actually has a skill specific for flipping a table. She uses it to flip a bed to see what's on the underside of it.
• Formal Characters Use Keigo: She spoke in formal linguistics when she was younger. Her friend Charme convinced her to change it for the more playful manner of speech she uses in the present.
• God in Human Form: She's an incarnation of the God of Origin.
• Heroic RRoD: She states that using her Last Crest renders her unable to move her body for a long time. The reason of her late arrival during the Dante's Gate arc is because she spent nearly a year recovering after she used her Last Crest to defeat Ryuki Kashin.
• Hiding Behind Your Bangs: She's a sneaky ninja and her hair covers her left eye. It's meant to hide her "Eye of God of Calamity" that can see the death of things.
• Little Miss Badass: She's a very small girl who's fast enough to cut down a group of enemies in a heartbeat.
• Little Miss Snarker: She's short and likes to make jokes about the perverted antics around her.
• Magical Eye: Her left eye is "The Eye of God of Calamity" which allows her to "see" the upcoming deaths of anything. However, the reason why she was feared by her hometown was her right eye that is the "Divine Eye of the Unusual God" which she uses to perform her true Last Crest that can create a vortex that sucks her target into nothingness.
• Magical Floating Shawl: After the heroes are defeated by Aryan Celes, Levi returns wearing a new outfit with a stained, fluttering hagoromo. She also calls herself the Great Divine Soul-Seer Leviathan.
• Magic Knight: A shaman and a ninja that uses blades and knives.
• Meaningful Name: Levi's name is the shortened form of Leviathan, the demon of envy in the Seven Deadly Sins.
• Ninja: Proud to be one, and is more frequently referred to that than her own name.
• Non-Nude Bathing: It's sort of a Running Gag that Levi is the only one who wears a swimsuit in the Public Bathhouse Scenes even when Arata isn't present.
• Overshadowed by Awesome: She does well against the low-level demons, and manages to fight Liese to a draw. But when fighting Lugh, she realizes she is outmatched without using Sorcerer Mode, and at best does a Delaying Action in order to buy time for Arata and the others to arrive back at the school.
• Petite Pride: She has no problem with her size since she is a ninja.
• Professional Killer: She works as the Headmaster's personal assassin.
• Razor Floss: Her Ninja Technique: Shadow Thread Bindings uses razor sharp threads to surround her opponent, preventing them from making any movements or risk being cut.
• Scarf of Asskicking: She always wears a long white scarf around her neck. She wears it even while bathing.
• School Uniforms are the New Black: Arata realizes he has only ever seen Levi in her school uniform even in battle and that's because her regular school uniform is her Magus Mode.
• Seers: Her magic eye gives her the power of clairvoyance.
• Shadow Walker: In Sorcerer Mode, Levi can teleport through shadows.
• Shapeshifting Seducer: She takes Arata's form to distract Mira in their tournament match. It doesn't work because Mira predicted Levi would try using a trick involving Arata and mentally prepared herself for it.
• Shapeshifting Trickster: In the OVA, she encourages Arata to talk to the other girls about their Thema. At the end of the day, she tells him everything was for the sake of putting him in perverted situations with all of them. Levi even drugged Mira with sleeping pills to make her sleepy so Arata would take the chance to do naughty things to her, but to her surprise, he didn't take advantage of the sleeping Mira.
• Signature Headgear: She wears a shuriken as a hair accessory to hold up her ponytail, a good way to know she's a Ninja.
• Skinship Grope: Gropes Lilith on a regular basis.
• Stealth Expert: Due to being a ninja, Levi's specialities include camouflage and surveillance.
• Story-Breaker Power: Her left eye lets her see the death of any living being. With this power, she can take down the most powerful demon of the Malebranche in the blink of an eye.
• Super Mode: She has a Sorcerer Mode, giving her shadow powers.
• Swipe Your Blade Off: Does this during her fight with Lugh, after managing to wound her.
• Take Our Word for It: Whatever she's hiding underneath her scarf, Arata was horrified when Levi let him take a look at her bare neck.
• The Tease: She promises Arata that if he can strip her, he can look as long as he wants. And then she avoids him for an entire day.
• Token Wholesome: While she has no problems acting unwholesome, it is a Running Gag that she is the only one to avoid getting stripped by Arata. She even makes a joke about how Arata won't see her naked until the last chapter.
• Tomboyish Ponytail: She's a kickass and somewhat tomboyish Ninja girl who wears her hair in a high ponytail.
• Took a Level in Cheerfulness: Levi was very much The Stoic as a child due to her harsh circumstances. She became her more lively self from the series thanks to her friendship with Charme and the time she spent being trained by Ryuki with Ryuhime.
• Transformation Sequence: Averted, like Akio she is always in Magus Mode due to being a combat mage. She does later gets one in a Sorcerer Mode.
• Trap Master: She sets traps silently to catch others off-guard. At one point her allies in the room failed to realize she had done so.
• V-Sign: She often forms a "V" with her fingers. Ryuki taught Levi to do this so she would make other people smile.
• Verbal Tic: Tends to end her sentences with "~su".

Yui Kurata

Yui Kurata

Voiced by: Rumi Ōkubo (Drama CD) and Rie Murakawa (Anime) (Japanese), Cynthia Martinez (English)

A special magus who lives in the dungeon underneath the academy. She is a Cardinal-Class magus, only second to Biblia academy principal. Her thema is Amicitia, which is part of the Avaritia archive.

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• The Baby of the Bunch: At 14, she is the youngest of the Trinity 7.
• Badass Adorable: She wears a cutesy mage outfit and heart hair clips, acts bubbly, girly and childish. Don't underestimate her for her cuteness and childlike attitude. Yui has the greatest magic capacity only rivaled by a Paladin-Class magus. Beyond Dante's Gate, she's powerful enough to take down two Malebranche demons with ease thanks to her Avaritia archive.
• Battle Baton: Uses a conductor as a Magic Wand while in Magus Mode.
• Bedmate Reveal: With Arata and Arin in chapter 11.
• Big Damn Heroes: Saves Arata from being killed by Akio in Chapter 5/episode 2.
• Born Winner: As a magus with the Phantom Cross eye, Yui naturally has enough magic power of a Cardinal-Class magus, second only to the Paladin-Class. When she travels to the other side of Dante's Gate, she can absorb so much magic from her surroundings that defeating two Malebranche demons is kid's play for her.
• Clingy Jealous Girl: Interestingly, while she's okay with Arin being with Arata, she does this any time Lilith seems to be making moves on him, whether real or perceived.
• Dimension Lord: Inside her Dream Land, she is a full-out Reality Warper. Since she has to be monitored constantly to keep her magic in check she often drags a person into her dimension to converse with them, protect them from otherwise fatal blows, or to evacuate the entire school if under attack.
• Dissonant Serenity: She impales two demons of Malebranche and is showered by their blood, all while she keeps the same cheerful smile she always has.
• Dream Walker: She can enter other people's dream and summon them into her Dream Land when they're asleep.
• Dual Age Modes: She can use her dream magic to transform into an older version of herself that represents her ideal form. At first, she can only take this form inside her dream world, but she later develops a spell to create a barrier where she can turn into her older form while awake.
• Elegant Classical Musician: She is a skilled violinist, and is introduced playing it.
• Exotic Eye Designs: Yui possesses the Phantom Cross eye, giving her cross-shaped pupils.
• Forced Sleep: Her magic can put maguses with less magical power than the Trinity Seven and Arata to sleep.
• Friendless Background: She was always asleep and didn't have the ability to interact with people without risk. Her thema is "Friendship" precisely because of this.
• Girlish Pigtails: Her hair is usually tied into pigtails held together with pink ribbons, showing off her childish personality.
• Girls Love Stuffed Animals: Her room at her Mental World and her real bedroom are full of stuffed animals.
• The Glomp: Likes to do this to Arata.
• Idiot Hair: She has a rather prominent curly strand, which can wriggle. It's replaced by a ponytail in front when she's in her older form.
• Kiddie Kid: She's fourteen, but she talks and acts way younger than that.
• Little Miss Badass: She's the one of the shortest and youngest members of Trinity Seven, but she's also the second-most powerful in the school.
• Magic Music: Her Arch-Symphony Magic is a very powerful support magic that involves musical notes.
• Magical Eye: As a possessor of the Phantom Cross Eye, Yui can send anything into a rift between dream and reality.
• Meaningful Name: Yui is a Japanese reading of the kanji for "alone". This refers to how Yui was meant to be a mage who would be completely isolated from everyone with her mind at her dream world and her physical body locked at the school's dungeon. That was the case until Arata came along.
• Mission Control: During the battle against the Giants of Nornil, Yui stays sleeping at her dream world while using her magic to connect the subconsciousness of her allies in one dream so they can exchange knowledge of what's going on in the battlefield.
• The Mistress: She tells Arin that she shouldn't worry about her trying to steal Arata because she's perfectly fine with being this.
• Mystical White Hair: She's a white-haired magus with immense and unusual magical powers.
• Naked on Arrival: She technically first appeared as her fully-clothed dream self, but her real body is introduced fully naked and only covered by a dragon around her.
• Nice Girl: Despite being distant in the past, she is a caring, energetic, and compassionate girl that doesn't hold a grudge against Mira for trying to kill her.
• No Sense of Personal Space: She tends to cling onto Arata every chance she gets. While he likes it, some of the others don't, such as Lilith.
• Power Incontinence: She is asleep and sealed away in the basement of the school to prevent her latent magic power from seeping out into the world. If by chance her power is left unchecked and unrestrained it would put the entire world to sleep, causing The End of the World as We Know It.
• The Power of Friendship: Her thema is Amicitia (Friendship) so her magic is at its strongest when she's fighting to protect her friends.
• Reality Warper: Inside her dreamworld, though she can bring pieces into the real world through a barrier.
• Rescue Romance: Shortly after meeting Arata inside her dream world, Yui's magic goes out of control and causes a Breakdown Phenomenon. The Headmaster sends Arata and the other Trinity Seven to stop it. Normally the only option would have been to kill Yui, but Arata nullifies Yui's magic along the Breakdown Phenomenon. Thanks to Arata, Yui's magic isn't at risk of going out of control anymore and she's allowed to live together with everyone in the academy. This makes Yui develop a big crush on Arata.
• Schrödinger's Butterfly: Avaritia's Last Crest reveals an sleeping Yui inside her own dream world...and the older Yui who is awake. Yui herself is not sure if her dreaming self is an eternal dream or if the Yui in the "real" world is the dream her sleeping self is having. The only thing in the whole universe Yui is sure is real is Arata.
• Sealed Badass in a Can: She's the Trinity Seven with greatest magic reserves, but her power is so risky that she could put all people in the world to sleep if no one restrains her. This is why her body needed to be sealed away in the school's dungeon. After Arata nullifies most of her magic power, Yui is free to wake up and leave the dungeon at last.
• Shameless Fanservice Girl: The first thing she does when waking up in episode 4 is to give Arata The Glomp. Unfortunately she was naked at the time, but doesn't seem to care. And in the OVA, she completely strips down naked while on top of him in bed. Oddly enough for all his perverted talk, Arata decides to be Above the Influence in this instance and they end up talking instead.
• Showgirl Skirt: Her Magus mode has her wearing a white dress with the skirt splitting down at the front and a red mini skirt under it.
• Signature Headgear: She has three pink heart-shaped hair clips on her bangs, signifying that she's one of the girliest and most affectionate members of Arata's harem.
• Squishy Wizard: Her magic is the ultimate support magic, though fortunately for her, she can be inside her dream world and keep herself out of physical danger.
• Supernatural Gold Eyes: She possesses the Phantom Cross eye, giving her distinct yellow eyes.
• Supernatural Sealing: The power of her Last Crest is trapping her opponent inside her dream world, after which her opponent becomes sealed inside her material body.
• Support Party Member: Her magic is widely support-based.
• The Tease: She rubs her boobs against Arata's arm knowing that he loves it and offers him to "make a mess" out of her older form in her dream world. She also uses her magic to create the illusion of a naked Arbariccia doing sexy poses all while the real Arbariccia is giving a serious exposition.
• Third-Person Person: She refers to herself in third person, which adds to her childish character.
• Why Did It Have to Be Snakes?: She states that "demons are cute, but ghosts are scary".

Lieselotte Sherlock

Lieselotte Sherlock (Real name: Lise Charlotte Laplace)

Voiced by: Ayumi Fujimura (Drama CD) and Nao Tōyama (Anime) (Japanese), Shelby Blocker (English)

The twin sister of Selina who vanished in a school library six months before Arata enrolled at Royal Biblia Academy. She really transported to the Eternal Library and transports Arata and Trinity Seven there when she decides to steal their magic to become a Demon Lord candidate. Her thema is Stagna, which is part of the Acedia archive.

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• Age-Inappropriate Dress: Her Stripperiffic Magus Mode looks less inappropriate now that she's a teenager, but it's a whole other story when her flashback shows her wearing the skimpy outfit when she first uses Logos Arts as a little girl.
• Ambition Is Evil: Her motive for becoming an evil magus was to obtain the magic power to become the Demon Lord by stealing it from Arata instead of doing it through her own effort as that would take too much time.
• And I Must Scream: As the price to pay for using her Last Crest, Liese stays trapped in a time frozen world until Arata is finally able to save her. On the bright side, it gave her plenty of time to study and develop her Logos Arts, which proves useful in the Dante's Gate arc.
• Arc Villainess: She's Arata's and the Trinity Seven's enemy in episodes 5-7 of the anime, and the respective chapters in the manga. After that, Liese pulls a Heel–Face Turn.
• Bathing Beauty: She loves taking baths so much that she would stay in the bathtub forever if she could.
• Big Damn Heroes: She saves Selina from being killed by Lugh in Chapter 27 with a little Loophole Abuse.
• Big Sister Instinct: It's a very bad idea to mess with Liese's little twin sister Selina. When Miglione tries to eat Selina, Liese steps in to save Selina with her new evolved Logos Arts.
• Child Prodigy: When she was a child, Liese could already solve university-level mathematical problems with ease. She also figured out how to use Logos Arts on her own without any previous knowledge of magic.
• Cool Big Sis: After her Heel–Face Turn, she goes back to being Selina's playful and caring older sister.
• Custom Uniform of Sexy: She leaves her school uniform's shirt partly undone to show off her cleavage.
• Dangerous Forbidden Technique: Her Last Crest, Baal Peor, allows her to immensely slow down all matter besides her and those who she wishes, creating a Time Stands Still effect. The catch is that she cannot interfere with people whose stopped by her "time" and she will be forever trapped in the dimension she created. After Liese uses the spell as a last resort to steal Arata's magic power, Arata swears he will find a way to bring Liese back to the real world.
• Dark and Troubled Past: Liese and Selina saw their uncle and aunt killed by vampires that invaded their mansion to look for the treasure of Logos Art, Gleipnir.
• Dark Is Not Evil: The Belphegor form of the Acedia archive gives her a devilish look with horns in her head and devil wings, but Liese is still one of the main heroes.
• Defeat Means Friendship: After she loses to Arata, she becomes his dependable ally and friend, even falling in love with him.
• Die or Fly: She first used Logos Art when she was nearly bitten by a vampire.
• Does This Remind You of Anything?: Her behavior upon stealing a lot of magical power all at once is blatantly similar to having an orgasm.
• Doppelgänger Attack: Through the power of the chain Gleipnir, Liese can summon the thousands versions of herself that exist in other timelines. All the Lieses work together to calculate the ultimate version of Baal Peor that can seal even a Demon Lord and a Giant of Nornil.
• Dressed Like a Dominatrix: Her Stripperific outfit is basically a cape-like gown held together by two strings around her neck, short shorts, thigh high boots, Opera Gloves and a dark neck choker.
• Enemy Scan: With her spell Analyze, Liese can quickly analyze her opponent to find their weakness and how their magic works.
• Evil Is Easy: She became an Evil Magus because it is easier. She mentions wanting to jump to the finish line much like Arata somehow managed to do instead of doing the research necessary to gain those powers.
• Evil Twin: Subverted. She's Selina's older twin sister who left Royal Biblia Academy to become an evil mage. However, Liese's only goal was to become the Demon Lord as quickly as she could and never acted particularly malicious. Once she fails to steal Arata's magic power, Liese returns to the side of the heroes.
• Evil Wears Black: She's dressed all in black and is the only member of Trinity Seven who joined The Dark Side in her pursuit of magic research. Subverted later as her Magus Mode still wears black even after her Heel–Face Turn.
• Fanservice Pack: In the manga, Liese's boobs weren't that bigger than Selina's in her debut. After a few chapters, she began being drawn with the second biggest bust in Trinity Seven.
• Formulaic Magic: She practices Logos Art, a magic branch involving numbers created by the mage and famous mathematician Pythagoras. It's effective for manipulating time and movement, giving Liese the ability of Teleportation.
• Friendly Enemy: Even when an enemy, she is still rather friendly to the group and doesn't hold ill will towards them.
• Girlish Pigtails: She has her hair tied up in twin tails and has a playful personality.
• Good Feels Good: She says being with Arata and his friends in their current world is more fun than trying to destroy and rule it with evil maguses.
• Good with Numbers: Liese is a mathematical prodigy who found the mental calculation problems at the university way too easy for her.
• Heel–Face Turn: She turns to the good guys' side after Arata makes a promise to bring her back into the world and reunite her with Selina along with the rest of the characters.
• Heroic Sacrifice: At the end of Lieselotte Chronicle, Liese once again uses Baal Peor to trap herself outside the time-space continum, in order to stop Chronos Trinity, the Demon Lord β-Arata transformed into. She's saved after Aries travels in time to make it so Selina doesn't die in the β timeline and Chronos Trinity doesn't come to existence.
• Horned Humanoid: Her Belphegor form has horns on her head.
• Identical Twin ID Tag: She has bigger breasts than her twin sister Selina, her twin-tails are wavier, and her eyes are purple instead of blue.
• In-Series Nickname: She's called "Liese" for short.
• Incest Subtext: The scene where she drains magic from her twin sister Selina is heavily suggestive, with Liese putting her hands on Selina's breast and groin. It doesn't help that the process blatantly seemed to give Liese an orgasm.
• Intimate Marks: In her Belphegor form, she has a bat tattoo near her groin.
• Jumped at the Call: When she met the Headmaster, she didn't hesitate and immediately accepted his proposal of joining the Biblia Academy to study magic. Her quick decision let the Headmaster know her potential as an Acedia magus.
• Kick Chick: Like Akio, Liese likes using kicks in her physical attacks.
• Leg Focus: Arata's first impression of her is that her legs are attractive. Her long legs are accentuated even more thanks to her thigh high boots and her fishnets.
• Light Feminine and Dark Feminine: The flirty and shameless Dark Feminine to Selina's bashful and moderate Light Feminine. This is represented by their respective Magus Modes; Liese's is black and shows off a lot more skin.
• Lovable Sex Maniac: She's very open about wanting in Arata's pants.
• Magic Kiss: She steals others' magic power by kissing them. With Selina, it was a kiss on the neck, with Arata, it was kisses in the mouth.
• Maniac Tongue: She habitually sticks out her tongue to reflect her teasing and playful personality.
• Meaningful Name: Her real surname, Laplace, is a reference to Pierre-Simon Laplace, a mathematician and astronomer and the mathematician's theory of Laplace's Demon wich describes a being capable of knowing all the momentums of all particles and therefore, it's able to predict all possible outcomes of space. This is exactly what Liese does by using the chain Gleipnir to connect with all possible versions of her in different time frames so she can collect enough information to calculate the method to fight the Giants of Nornil.
• Ms. Fanservice: She goes around in a dominatrix-style Stripperific outfit that shows off a lot of Sideboob.
• Mythical Motifs: Her Belphegor form from the Acedia archive gives her the features of a succubus.
• Navel-Deep Neckline: Her dress shows off both her cleavage and most of her abdomen, much to Arata's joy.
• Nephewism: Liese and Selina lost their parents at a young age. They were raised by their uncle and aunt until the Headmaster went to recruit the twins and vampires killed everyone in their hometown.
• Nerves of Steel: Even when she was a child, Liese has always been able to maintain a calm, rational mind during life-threatening situations. At the time hers and Selina's home was attacked by vampires, Liese could come up with a good plan to escape and go ask for Master Biblia's help.
• Outdoorsy Gal: As a child, she liked climbing trees because she saw it as good practice for her calculations.
• Personality Powers: Unlike the other girls in the Trinity Seven, she remains true to her Thema, preferring to steal the magic of others to obtain the power of a Demon Lord candidate than to train and obtain the power through hard work.
• Post-Modern Magik: Her grimoire takes the shape of a tablet computer.
• Power Gives You Wings: Belphegor, the demon Super Mode of the Acedia archive, gives her a pair of bat-like wings growing from the waist.
• The Promise: She makes two:
  • Selina asks her to stop being evil if Arata defeats her. Though Liese seems to jokingly accept the bet at first, later on when Lugh and Hijiri attack the school, she does end up helping Arata and the others.
  • Arata makes one with her after defeating her. He promises that he'll find a way to bring her home, reunite her with Selina, and that all of them would be waiting. This is pivotal in helping her to do a Heel–Face Turn later.
• Purple Is Powerful: Liese has purple eyes and her Logos Art magic is purple too. She's also a Trinity Seven and the more powerful magus of the Sherlock sisters.
• Red Oni, Blue Oni: In her spin-off, she's the more cheerful Red Oni to Aries' calmer Blue Oni.
• Sexy Backless Outfit: Her skimpy dress leaves her back bare.
• Shameless Fanservice Girl: She's more than pleased to show off her skin, especially to Arata.
• She's Back: She is saved from the Baal Peor time frozen dimension by Arata in Chapter 35.
• Sixth Ranger: Although she was a Trinity Seven from the start, she's introduced as an enemy and even after her Heel–Face Turn, her participation in the team is limited because her body is trapped at a time frozen dimension. After Arata brings her back to the real world in the Sky Library arc, Liese properly joins the Trinity Seven.
• Space Master: Her magic gives her some control over time and space.
• Stripperiffic: Her Magus Mode exposes her cleavage, belly, and back. A strong gust of wind could leave her naked, yet she never has any problem to fight in that costume. Her Belphegor Super Mode has her wearing even less.
• Stronger Sibling: While Selina is still a magus in training without a grimoire, Liese is one of the Trinity Seven that are described as "videogame boss characters" in the Royal Biblia Academy.
• Sue Donym: Lieselotte is the combination of Lize Charlotte, her original given name and middle name.
• Super Mode: After the one-year Time Skip, Liese becomes the third magus to manifest her archive's demon form, Belphegor.
• Supernatural Sealing: With the help of the Gleipnir chain allowing her to summon thousands of versions of herself from other time periods to infinitely increase her calculation power, Liese masters the Time Stands Still technique Baal Peor to the extent that she can use it to seal some of the most powerful beings of her universe such as a Demon Lord and a Giant of Nornil.
• Teleportation: Through the use of her Logos Art, Liese can teleport small distances instantaneously.
• Time Master: She shows time manipulation powers in her spin-off like reversing the person time of her β-universe self to turn her into a child and using Gleipnir to gather the power of the Lieses of different time periods.
• Tsurime Eyes: Her eyes are notably sharper than Selina's Tareme Eyes. It's one of the features that helps telling the twins apart.
• Underboobs: In her Belphegor form, her dress becomes even more revealing and exposes the bottom of her breasts.
• Vapor Wear: Her Magus Mode's gown is backless and reveals enough cleavage to make obvious she isn't wearing a bra underneath. She personally confirms it when she exposes her naked boobs to the the Headmaster.
• Wake-Up Call Boss: She's the first antagonist that Arata and the others face off against that requires a lot of effort to defeat.
• We Can Rule Together: Offers this to Arata. He understandably refuses.
• Wonder Twin Powers: Her ultimate attack of Logos Arts needs Liese and Selina to combine their Master Number 66 and Karma Number 6 respectively in order to activate a spell that sends their enemy to the far end of time and space.

Royal Biblia Academy

Master Biblia

Master Biblia

Voiced by: Koji Yusa (Drama CD) and Shin-ichiro Miki (Anime) (Japanese), Kregg Dailey (English)

The intelligent yet perverted leader of Royal Biblia Academy. His thema is Concordia of the Ira archive.

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• All-Powerful Bystander: He's one of the most powerful magus there is, but isn't allowed to interfere with the conflicts in the world precisely because of his power being a danger to the balance.
• The Archmage: One of the five most powerful maguses in the world.
• Asskicking Leads to Leadership: He's not a headmaster for no reason. He, along with the other headmasters of Liber and Akasha, are counted as "Adjudicators", judges of the magical world and successor to King Solomon himself.
• Big Good: Being the headmaster of the Royal Biblia Academy and one of the five most powerful maguses in the world ranks him as this.
• Bunny-Ears Lawyer: He's a goofy pervert of Arata's caliber and none of students or even the school staff seem to respect him that much. The only reason he's still a headmaster is that he has a strength and intellect to back it up.
• Chivalrous Pervert: He's often berated by Lilith for his lecherous behavior but when the students at his academy are in danger he does everything in his power to keep them safe.
• Distracted by the Sexy: During their fight, Liese gets him to lower his guard by showing off her breasts, though it was intentional on the Headmaster's part.
• Establishing Character Moment: His first appearance has him laughing at the commotion Arata's presence causes inside the school and after explaining the background of being a Magus, tells him that if he wants to learn how to be a Magus he should befriend, fight, and violate the girls of the Trinity Seven.
• Everyone Calls Him "Barkeep": Everyone refers to him simply as Headmaster. His real name is revealed to be the god Lóðurr.
• Hell Gate: His grimoire, Solomon's Gate, (which is basically Ars Goetia given form) is a large gate decorated with the carvings of various horned demons and can only be seen by those with sufficient magical power. It's for the best considering that a side effect of staring too long at Solomon's Gate can make stronger Magi lose their minds.
• Hidden Agenda Hero: He has some secret plan that he's trying to accomplish by accepting Arata into the academy and especially selecting very exceptional maguses to form Arata's Trinity Seven. He eventually reveals his goal to Master Liber; making Arata the most powerful Demon Lord who will rule over all the worlds, although it's still unknown what are his exact objectives with this.
• I Let You Win: He falls for Liese's Distracted by the Sexy trick on purpose, as he knew that her quest for power will only lead her to ruin.
• Long-Haired Pretty Boy: He's a handsome man with long hair he keeps tied in a ponytail.
• Obfuscating Stupidity: He often acts airheaded, but when things get serious, he quickly goes into Let's Get Dangerous! mode.
• The One Guy: He's the only male magus who is an Adjudicator.
• Reasonable Authority Figure: He allows Arata to study to become a mage, rather than let Lilith kill him or wipe his memory of Hijiri.
• Specs of Awesome: He's one of the most powerful magus in the world and wears glasses to show he's a big deal.
• Strange Minds Think Alike: He and Arata get along quite well.
• Summon Magic: He can summon two of the Beasts of the Apocalypse of Norse Mythology, the wolf Fenrir and the snake Jormungand.

Selina Sherlock

Selina Sherlock

Voiced by: Shiori Mikami (Drama CD) and Aya Suzaki (Anime) (Japanese), Brittney Karbowski (English)

Liese's twin sister. Her thema is Ligare of the Acedia archive.

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• A-Cup Angst: Downplayed. While by no means flat-chested, Selina is annoyed that she's not as well-endowed as her sister. Luckily for her, Liese reveals that in few years she'll be just like her in bust size.
• Alliterative Name: Selina Sherlock
• Big Sister Instinct: Inverted. When she hears her older twin sister is in danger, Selina immediately goes to save her by awakening her Magus Mode.
• Breast Expansion: Allowing Liese to take over her body makes Selina's breasts bigger to match her sister's size.
• Camera Fiend: Always seen with her camera in hand.
• Formulaic Magic: She uses the calculation magic Logos Art like her sister. This is how she can calculate the time and place Liese will teleport.
• Genki Girl: She is very energetic, the opposite of sloth.
• Genre Savvy: She realizes she is no match for Lugh, so she does the next best thing. Have her sister possess her, who is a match for her.
• Girlish Pigtails: Like her sister, she ties up her hair in twin tails and has a cheerful personality.
• The Gunslinger: In Magus Mode, her main weapon is a gun.
• Hair of Gold, Heart of Gold: A nice and heroic blonde girl.
• Identical Twin ID Tag: She has smaller breasts than Liese and her eyes are blue instead of purple.
• Innocent Blue Eyes: She has a youthful personality and light blue eyes.
• Jumped at the Call: When she heard Liese would join the Biblia Academy to study magic, Selina quickly decided she would join too.
• Light Feminine and Dark Feminine: The bashful and moderate Light Feminine to Liese's flirty and shameless Dark Feminine. This is represented by their Magus Modes; Selina's is a white outfit that properly covers her body in contrast to Liese's black Stripperiffic.
• Magical Camera: Her camera serves as her magical device, able to use photographs to bind wounds and speed up the healing. Her will turns it into a grimoire.
• The Medic: She is able to use her thema, bind to bind wounds and heal them.
• Next Tier Power-Up: She eventually masters the thema Memoria and connects to the cloud of the lost archive Cavum. This gives Selina an upgraded Magus Mode and the power to qualify as an Adjudicator.
• Overshadowed by Awesome: She's a magus, but she's an ordinary one, so unlike the rest of the cast she's often outclassed by most of the larger threats they continue to face.
• Power Stereotype Flip: She's a Genki Girl who just can't stand still. Since a magus' thema is typically the opposite of their personality, Selina has the thema of binding.
• Purely Aesthetic Glasses: She wears a pair on the top of her head, and never puts them over her eyes.
• Reluctant Fanservice Girl: Completely opposite to Liese, Selina feels extremely embarrassed whenever she's stripped by Arata or something else. When she's made wear Liese's Stripperiffic Magus Mode, she hates that most of her chest and belly are exposed.
• School Newspaper News Hound: She is part of the newspaper club, so when Arata first arrives at school, the first thing she does is interview him. Then she reveals to the entire school that he's a Demon Lord candidate.
• Semantic Superpower: Her thema is Ligare (Binding). She normally applies it by literally binding her targets, but her magic can be used to "bind" wounds (heal them) or "bind" Liese's mind to her body (allow Liese to possess her body).
• Successful Sibling Syndrome: Selina is a regular magus while her twin sister Liese is a Trininty Seven and a gifted prodigy. Selina is proud of her sister, but she also doesn't believe she can be amazing like Liese.
• Supernormal Bindings: She can create magic bindings that restrain her targets by calculating their movements. After connecting to the Cavum archive, she has enough power to bind a Giant of Nornil.
• Tareme Eyes: Her eyes are drawn rounder than her sister's Tsurime Eyes. This represents the difference between their personalities, along with making it easier to tell them apart.
• Took a Level in Badass: She eventually develops her Magus Mode to rescue Liese. Much later, she becomes the Arbitrator of Cavum and works together with Liese to seal a Giant of Nornil.
• Two Siblings In One: She can magically "bind" her twin sister's mind to her own body while they're at the infirmary where Liese is trapped in an alternate frozen reality.
• Willing Channeler: She can summon Liese into her body so she can fight, though it is limited to the infirmary.
• Wonder Twin Powers: She and Liese activate the ultimate Logos Arts technique by combining Selina's Karma Number 6 with Liese's Master Number 66 in order to send their enemy to the far ends of time and space.

Charme Kirigakure

Charme Kirigakure/Charme Murasame (Birth name: Charme Kazama)

A student introduced in the spin-off manga Levi Story. She is sent with Levi to find the Mythical Armament Murasame.

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• Back from the Dead: She died from an injury while trying to help Levi escape from their hometown when it was under attack. She was resurrected by Ryuki Kashin who fused Charme's body with the Murasame sword.
• BFS: Murasame is a huge sword about as long as Ryuhime's body.
• Birthmark of Destiny: She has a Demon Lord Seal on her left breast which she claims she has had since birth.
• Death Amnesia: Ryuki brought Charme back to life using Mythical Fusion, but Charme lost her original memories until her mission with Levi.
• Died in Your Arms Tonight: She originally died in Levi's arms while trying to run away from the village with Levi.
• Equippable Ally: She, as Murasame, forms a contract with Ryuhime and becomes her personal weapon (although Ryuhime prefers to call Charme a friend).
• Expository Pronoun: She uses "jibun" as a first-person pronoun. Levi picked it up from her when they were children.
• First Friend: She was Levi's first friend even though Charme's original mission was to kill Levi.
• Forgotten First Meeting: She's the same Charme who was Levi's caretaker and friend at her hometown, thought to be dead by Levi. After Charme was fatally wounded, Ryuki revived her by performing a Mythical Fusion with the sword Murasame, but Charme lost her memories until she's sent with Levi in a mission.
• Girlish Pigtails: When she's introduced into the main story, she has changed her side-ponytail for a pair of pigtails that make her look even cuter.
• Hair of Gold, Heart of Gold: She's a sweet and friendly girl with blonde hair.
• Living Weapon: After her Mythical Fusion with the sword Murasame, Charme is the consciousness of the sword itself.
• Meaningful Rename: After fully recovering her memory about her fusion with the sword Murasame, Charme changes her surname from Kirigakure or Kazama to Murasame.
• Nice Girl: She's a sweet and friendly girl.
• Powered by a Forsaken Child: Murasame is a cursed sword that uses the restless souls of the people it has killed as its source of power.
• Signature Headgear: She ties her side-ponytail with a hair accessory that looks like two cherries.
• Tastes Like Friendship: She befriended Levi by bringing her many sorts of tasty food that she couldn't taste before due to being locked in a temple to earn her trust.
• Tomato in the Mirror: After being sent with Levi to find the sword Murasame, Charme remembers she is Murasame in a sense as Ryuki fused the sword with Charme's body to bring Charme back to life.
• Walking Spoiler: Several important reveals and plot points of Levi Story are focused on Charme and her true identity, making it hard to talk about her without giving it away.

Royal Akasha Academy

General

• Arc Villain: Arsha and Anastasia are collectively the antagonist of the Magical Research Battle arc.
• Enemy Civil War: Royal Akasha has a different plan to prevent the Demon Lord candidate Arata from destroying the world than Iscariot, and thus they conflict.
• Proper Tights with a Skirt: A short skirt and black tights is the standard of Akasha Academy's school uniform.
• Tragic Bromance: Arsha and Anastasia are the best of friends, but they had to be separated for many years because Lilith's arrival in the world forced Anastasia to banish herself from the world and send her soul to the Terminus Library.

Arsha

Arsha

Voiced By: Yoshino Nanjo (Japanese)

Arsha is a Paladin and headmaster of the Royal Akasha Academy. Additionally, she is Anastasia-L's best friend and partner, supporting her goal in protecting the world which involves Arata Kasuga. Her thema is Arbiter from the Superbia archive.

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• A-Cup Angst: She is not happy about her small bust size.
• The Alleged Boss: Arsha is the headmaster, but Anna doesn't always listen to her and tends to push her into what she wants at times, she is afraid of Anna's anger, and even forced into Bathtub Bonding with Anna, Mira, and Lilith.
• Anti-Villain: The only reason she is an antagonist is to give Anna her happy ending with her Demon Lord.
• The Archmage: She is a Paladin-class mage, the highest known rank of ability a magus can achieve, second only to the Demon Lord.
• Badass Cape: She wears an awesome cape in Magus Mode.
• Bathing Beauty: She seems to like taking baths in her free time, causing the Inconvenient Summons mentioned below.
• Battle Ballgown: Her Magus Mode is an armored dress
• Bling of War: Her armor and fur cape for her Magus Mode.
• Cool Sword: She possesses a set of magic swords called the Eleven Divine Magic Swords of Tiamet.
  • Anti-Magic: Poison Magic Sword Basmu, the magic of erosion that eats magic, barriers, flesh, and clothes.
  • Having a Blast: Dragon Magic Sword Usumgallu
• Born Winner: Like Yui, Arsha has the Phantom Cross eyes and these give her an amazing natural talent for magic. This is why she's called "Heaven's Gift".
• Crystal Prison: She can seal people in them.
• Didn't See That Coming: The possibility that Arata would fail to make it past the tournament's first round completely escaped her and everyone else.
• Embarrassing Rescue: Her duel with Mira is interrupted by a controlled Arata stripping them both and carrying Arsha off Bridal Carry style. He still manages to charm her.
• Evil Counterpart: To Mira, being a Pride Archive user and fights against her. Her grimoire, Einsef Or, even means Endlesss Light to contrast Mira's White Universe.
• Exotic Eye Designs: She has the Phantom Cross Eyes like Yui, so Arsha's pupils are shaped like crosses.
• Hair of Gold, Heart of Gold: As suggested by her blonde hair, she's a fairly decent person despite acting as an antagonist.
• Heel–Face Turn: After Arata rescued Anna from her eventual fate, she stops being an antagonist. She even takes part in his training to become a Sword Magus.
• Hereditary Hairstyle: She inherited the drill hairstyle from her mother.
• Hyper-Awareness: She realizes that Levi and Akio hold back in their battle to avoid revealing their abilities in front of her.
• Inconvenient Summons: In Chapter 83, Liese uses Chaotic Formula to summon Arsha who appears naked as she was in the middle of taking a bath.
• Magic Knight: Her branch of magic is Weapon Mastery and she has eleven magic swords at her disposal.
• Mentor Archetype: She trains Mira in the Dante's Gate arc, putting her through Training from Hell to improve her resurrection's speed and make her into a true Hero candidate.
• The Mind Is a Plaything of the Body: She is a powerful magus, but due to being physically stuck at 14, she still acts exactly like a teenager.
• Mystical White Hair: A powerful paladin class mage with very pale blond hair.
• Necromancer: She was able to summon Anna's soul from the Terminus Library, but since Anna still lacks a body of flesh, she needs help from the spirits to maintain a physical form.
• Ojou Ringlets: Her face is framed by her drill twintails, along with two sidelocks that curl into ringlets.
• Older Than She Looks: She looks 14, but is chronologically older, being at least in her thirties considering flashbacks show she hasn't physically aged in seventeen years.
• Only Known by Their Nickname: Averted, she is the only Paladin to actually give their name.
• Only Six Faces: She looks rather similar to Master Liber, and was confused to be her by some.
• Personality Powers: Her thema is in the Superbia archive and she is quite prideful.
• Red Baron: She's known as "Heaven's Gift".
• Smug Super: A very proud paladin, and she in fact can back it up as a paladin.
• Storm of Blades: Her magic, the Eleven Divine Magic Swords of Tiamet
• Strong Family Resemblance: The only physical differences between her and her mother is that her mother wears glasses and has a slightly different drill hairstyle.
• Summon Magic: She's able to summon a pair of Garm Wolves, immortal magic beasts from "Terminus", and they are very strong.
• Tragic Villain: Her sole reason for being evil, is not wanting to lose her friend again.
• Underestimating Badassery: She messes up because she underestimated Mira's abilities, and although she claims she could have come up with a counter measure, a brainwashed Arata stops the fight.
• Villains Out Shopping: During the School Festival arc where she's an antagonist, Arsha is shown enjoying the festival food.
• Worthy Opponent: She recognizes and respects Akio's skill, and later grudgingly Mira

Anastasia-L

Anastasia-L

Voiced By: Mao Ichimichi (credited as "M.A.O") (Japanese)

Mysterious girl from Royal Akasha Academy that Arata meets her during Biblia Academy school festival. Her thema is Terminus, a "lost thema" from the Luxuria archive.

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• Back from the Dead: At the end of the Magic Research Battle arc, Arata gives up his Demon Lord element to anchor her existence to the world, thus restoring Anna's physical body.
• Badass Cape: She wears a cape in her Magus Mode.
• Bathtub Bonding: She invites Lilith and Mira to join her and Arsha at the bath before their tournament match so they can have a relaxing moment before their fight.
• Best Friend: She's Arsha's dearest friend she would do anything for.
• Body Horror: When Arata starts the process of restoring her physical body, all sorts of demonic creatures sprout of Anna as a result of her lost thema.
• Bokukko: She refers to herself as "boku".
• Born-Again Immortality: She's the latest incarnation of the Saint of Revival who is constantly reborn into the world.
• Braids of Action: She has a braided strand of hair on both sides and is a magus of power equal to one of the Trinity Seven because she was meant to be one of them instead of Lilith.
• Dangerous Forbidden Technique: Her Last Crest, Aeshma Deva, sends Anna to the "World of Demise", the resting place of all souls, at the cost of losing her physical body and having her soul trapped at the Terminus Library unless the seal is broken. She used the spell seventeen years ago to stop the Breakdown Phenomenon caused by the existence of two Luxuria Trinity maguses in the world with Lilith's arrival.
• Dragon-in-Chief: While Arsha is in charge, it is Anna's backstory and goals that drive them.
• Ethereal White Dress: She wore a white dress when she was trapped at Demise as a bodiless soul.
• Evil Costume Switch: When she turns into a Demon Lord in her spin-off, her Magus Mode changes for a Stripperiffic similar to Lilith's Aeshma mode.
• Foil: To Lilith who is also a magus of the Luxuria archive with the qualification of a Trinity Seven. Both are modest Nice Girls, but Anna lacks Lilith's Tsundere streak and is very open about her love for Arata.
• Hero Antagonist: Anna wants to save the world and the man she loves from the fate of complete destruction. However, the only way she sees to make this possible is by sealing Arata and Trinity Seven at the World of Demise. While Arata is grateful that she wants to keep him from becoming the Demon Lord without killing him, he won't let her seal him and Trinity Seven away.
• Heroic Sacrifice: Seventeen years ago, Abyss Trinity sending Lilith to the series' main dimension caused a Breakdown Phenomenon as Anastasia had just recently mastered Luxuria archive's Last Crest and there can only be one Trinity magus for each archive per dimension. Anastasia activated her Last Crest, fully knowing it would destroy her body and send her soul to the Terminus Library at the deepest end of the universe, in order to stop the Breakdown Phenomenon.
• Hot Teacher: In the β-universe, Anna is Arata's homeroom teacher at Royal Biblia Academy instead of Lilith who doesn't exist in that timeline.
• In-Series Nickname: She's called "Anna" for short.
• Inhuman Human: Anna vanished from the world when she activated her Last Crest seventeen years ago. Arsha was able to break the seal of the Terminus Library and summon Anna's soul back into the world, but Anna still had no body. Although she uses magic from the spirits to gain a physical form, she's still not much different from a tangible ghost. Arata uses nearly all of his magic and Trinity Seven's help to give Anna a real body.
• Love Before First Sight: She decided the Demon Lord candidate is the love of her life long before she even met Arata and meeting him only makes her love him more.
• Magic Knight: She's an expert in spirit magic and had her summoned Demon Lord knights teach her swordsmanship.
• Marked Change: As Anastasis Trinity, crack-like Facial Markings appear on her cheeks.
• Missed the Call: She was supposed to meet Arata as the Trinity Seven of Luxuria, but Abyss sending Lilith from another dimension nearly caused a Breakdown Phenomenon because two Trinity maguses of Luxuria shouldn't be in the same universe. This forced Anna to expel herself from her dimension with her Last Crest and Lilith became one of the Trinity Seven in her place.
• Naked on Revival: Anna is covered by nothing but Arata's cape after he succeeds in giving her back a physical body.
• Nice Girl: She's a very polite and kind-hearted girl who always has good intentions.
• No Body Left Behind: In her backstory, she had to disappear into the "World of Demise" along with the Breakdown Phenomenon because Lilith had been sent to their world and only one Trinity Seven of the Luxuria archive can exist in the world.
• Perpetual Smiler: She's always cheerful and with a big smile on her face, especially around Arata.
• Power Gives You Wings: She can use spirit magic to give herself fairy-like wings.
• Summon Magic: She can control the spirits of previous worlds' Demon Lords lingering at the World of Demise and summon them as her knights in battle so they fight for her.
• Superpowered Evil Side: In her spin-off, Arata's Demon Lord Element has been given to Anna and she transforms into the Demon Lord Anastasis Trinity.
• The Unfettered: She's determined to seal Arata and Trinity Seven at the Demise dimension so they won't fulfill their destiny of destroying the world. For that end, she's willing to break any taboo and use any forbidden spell. In the end, she almost sacrifices her own existence for her goal.
• Vague Age: Anna looks 17 years old, which is the age she was when she vanished into the World of Demise. She then came back to the real world 17 years later. Lilith points out Anna should really be about 34 years old, but Anna herself isn't sure of how much time she spent in Demise because time works differently there.
• Walking Spoiler: Similar to Hijiri. She's a lot more than what she appears to be at first.
• Well-Intentioned Extremist: Anna's one goal is saving the world without killing Arata who is slowly transforming into the Demon Lord who will destroy everything. For this end, she's planning to seal Arata and the Trinity Seven at the World of Demise where the souls of all destroyed worlds rest.
• Your Days Are Numbered: Anna vanished from the world when she activated her Last Crest the moment Lilith was sent by Abyss to the other world. She can only manifest a physical form using the magic of spirits, but even with that she can only "live" for a few days. Arata uses his and Trinity Seven's magic to anchor Anastasia's spirit into the world so she can be a complete human again.

Iscariot

Hijiri Kasuga

Hijiri Kasuga

Voiced by: Noriko Shitaya (Drama CD) and Ayaka Suwa (Anime) (Japanese), Kira Vincent-Davis (English)

Arata's cousin and childhood friend. Her disappearance is what motivates Arata to become a magus in order to bring her back. When they reunite, he discovers Hijiri has joined Iscariot. Her themas are Ruina, Partum, and Analysis from the Ira archive.

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• Anti-Villain: Her motive for joining Iscariot is to destroy the endless cycle of the Demon Lord and the Trinity Seven destroying the world so Arata doesn't have to become a tool in the world's revival. To accomplish her objectives, Hijiri is willing to destroy the world. She would even attempt to kill the Trinity Seven along Arata, intending to resurrect him after her plans were accomplished.
• Arc Villainess: She acts as the villainess of the arc in which she finally reunites with Arata.
• Best Friend: Lugh considers Hijiri her most treasured friend.
• Chekhov M.I.A.: She's Arata's cousin/foster sister who disappeared due to a Breakdown Phenomenon. It's to be expected she would be important once Arata found her again.
• Childhood Friend Romance: She and Arata grew up together since early childhood. Over the years, Hijiri grew to love him romantically.
• Cool Sword: She transforms into the sword Lævateinn after Arata defeats her.
• Creepy Long Fingers: When she's in her "Satan Mode", her hands transform into a large monster-like claws.
• Determinator: Hijiri lived through an infinite amount of realities and saw the destruction of her world countless times in order to find a future where Arata can defeat the evil gods and rule over the system that forces Demon Lords to destroy their worlds.
• Disappears into Light: At the start of the series, her body vanished into light particles in front of Arata when she was absorbed by the Breakdown Phenomenon.
• Equippable Ally: After being defeated one-on-one by Arata, Hijiri transforms into a sword that can help Arata fight the gods and their system.
• First Friend: She was the first human who Lugh could call a friend as Lugh could never interact with humans before Hijiri due to her nature as an artificially created human-god and Lugh deeply treasures their bond.
• Hellish Pupils: When she's in her "Satan Mode", the pupils of her eyes become long and vertical, resembling the pupils of a cat.
• Heroic Sacrifice: During the Breakdown Phenomenon that destroyed her and Arata's hometown, Hijiri gave Sora to Arata to protect him. In return, she lost the magic that kept her from being affected and was absorbed by the Breakdown Phenomenon.
• Idiot Hair: She has a single cowlick on top of her head.
• In Love with the Mark: When she was just a child, Master Liber gave Hijiri the mission to observe Arata and kill him once his power as a Demon Lord candidate awakened. Not only did she fall in love with him to the point of giving him an incredibly powerful grimoire to protect him, but she is prepared to take on the entire world for his sake.
• It Was a Gift: Arata gave her the hair clips she always wears, as a gift of gratitude.
• Kissing Cousins: She's deeply in love with her cousin Arata.
• Living a Double Life: Before she was absorbed by the Breakdown Phenomenon, Hijiri lived as double life where she pretended to be a normal high school student like Arata, but she was secretly a magus of the Liber Academy. When she went out on missions, she had her grimoires Sora and Ilia take her place at home so Arata wouldn't notice when she went out.
• Living Weapon: Master Liber transforms Hijiri into the Anti-Demon Lord weapon Lævateinn that can defeat Arata.
• Love Makes You Evil: She loves Arata a lot. So much so, in fact, that she has effectively declared war on reality itself for daring to treat Arata as nothing but a tool for the world's reincarnation.
• Marked Change: In "Satan" mode, a crack-like Facial Markings appear on her right cheek similar to that of Astral Trinity's.
• Meaningful Name: Hijiri translates to "holy".
• Not Blood Siblings: She's Arata's adopted sister, yet she fell in love with him.
• Not Quite Dead: Turns out that while she did get absorbed by the Breakdown Phenomenon, it didn't kill her.
• Now or Never Kiss: She kissed Arata when she was being absorbed by the Breakdown Phenomenon and thought she was going to die from it.
• Objectshifting: Hijiri's modifications that turn her into a living Anti-Demon Lord weapon cause her to transform into a sword after losing her duel against Arata. This sword turns out to be the key for Arata to enter Hijiri's Mental World and absorb her memories to learn of the futures where the universe is destroyed by the gods.
• Power Makes Your Hair Grow: Her hair grows longer in her "Satan" mode.
• Reincarnation: Like Arin, Hijiri is a reincarnation of the priestess of Yggdrasil, Celestia.
• Reincarnation Romance: Hijiri and Arin are the result of Celestia's soul wishing to meet Arata again in the future, as Celestia fell in love with Arata when their time periods were briefly connected in the third light novel.
• Runic Magic: Same as Arin, her branch of magic is Chaotic Rune, which is based on Norse runes.
• Showgirl Skirt: She wears a skirt split at the front in Ira's Cloud form.
• Spirit Advisor: After Arata's journey to the world of Lævateinn that was created from Hijiri's memories and feelings, Hijiri stays as a sword, but her spirit can appear to him and gives him knowledge of all the possible worlds where they couldn't win the war against the Goddess of Darkness.
• Super Mode: By utilizing her Demon Lord Element and Trinity status, Hijiri is able to transform to the manifested form of the Ira archive, "Satan", which exceeds the normal Magus Mode.
• Tareme Eyes: In contrast to Arin's Tsurime Eyes, Hijiri's eyes are wider and droopy which helps telling them apart.
• There Is Another: There should only be one magus who can use the Ira archive's Last Crest, which is Arin. However, Hijiri is revealed to also be able to activate Ira's Last Crest due to her and Arin being the reincarnations of the priestess of Yggdrasil Celestia.
• Walking Spoiler: There's not much that can be said about her besides the fact she's Arata's missing cousin without revealing many twists later in the series.

Master Liber

Master Liber

Voiced By: Nanami Yamashita (Japanese), Chaney Moore (English)

Master Liber is the Paladin Class Headmaster of the now destroyed Liber Academy. She is presently a member of Iscariot, and is the closest thing seen to the group's leader thus far. Her thema is Sanctus from the Gula archive.

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• Antiquated Linguistics: She speaks in archaic Japanese, including the use of "warawa" to refer herself. This is one of the hints that she's way older than she looks.
• The Archmage: As a Paladin-class, she's one of the most powerful magus in the world.
• Black Cloak: She remains entirely covered by a cloak in her first appearance.
• Blood Magic: She needs to use her own blood as the catalyst for her magic.
• Everyone Calls Her "Barkeep": Like Master Biblia, she is only referred to as Master Liber due to her position as Liber Academy's headmaster.
• Friendly Enemy: She gets along quite well with her colleague, Biblia's headmaster, and even engages in playful discussion with him while their respective students are fighting to the death right in front of them. Despite being a member of a group openly opposed to the Demon Lord, she praises Arata's development as one and even seems happy to see him growing more powerful, or at the very least acknowledges that his improvement is their failure rather than anything else. She even appears to be supportive of Arata's desire to take Hijiri back from her, openly edging him on despite stating that Hijiri is a weapon they're using against him, she appears to respect him as a person who'd even fight for the very woman whose purpose it is to kill him.
• God of Darkness: Aryan fuses her with the god of abysmal darkness and the night, Nyx. In this form, Master Liber is surrounded by an aura bigger than entire galaxies.
• Healing Factor: After entering her Super Mode, she gains a powerful regenerative ability.
• Ojou Ringlets: Her hairstyle ends in two curls framing her face.
• Really 700 Years Old: She usually looks like a young girl, but she's in fact one of the oldest Paladins and participated in the Great Magic War hundreds of years ago.
• Seers: With her spell, Ars Paulina, she can predict the future with perfect accuracy.
• Sensual Spandex: The older form of her Super Mode is clad in a skin-tight bodysuit that is made of her own blood.
• Sexier Alter Ego: By connecting to the Gula cloud with her Blood Magic, she can transform into a buxom, adult version of herself.
• Summon Magic: Her magic, Summon Astrology, allows her to summon a monstrous army of star spirits to fight for her.

Lugh

Lugh

Voiced By: Ayaka Fukuhara (Japanese), Shunte Lofton (English)

Lugh is a thief who possesses three legendary treasures, as well as a member of Iscariot. Her magic is derived from the Invidia archive. She's a magus qualified for Trinity like Hijiri, using the themas Virtus, Faith, and Solvo to wield her mythical armaments.

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• Action Girl: Puts up a good fight against Levi and manages to wound her pretty severely, while taking little damage herself.
• Artificial Human: She's the product of a magical research attempting to create living weapons with god genes.
• Blade Below the Shoulder: The Light Piercer Brionac is a mythical armament resembling a large katar that Lugh wields in her left arm.
• Cool Sword: One of her mythical armaments is the sword Slasher Fragarach that can fire Sword Beams.
• Doppelgänger Attack: Her Super-Speed can create the effect of creating multiple copies of herself to deliver several attacks at her opponent at once.
• Dual Wielding: She fights with two swords on each hand.
• Emotionless Girl: She rarely shows emotion and speaks in monotone.
• Eyepatch of Power: She wears an eyepatch over her right eye. It activates her Power Copying technique when she moves it to the other eye.
• Flight: She has the ability to fly thanks to her mythical armament Light Wings Claiomh Solais.
• Friendly Rivalry: Her rivalry with Levi somehow shows how good friends they have become.
• Gold Digger: In this case it's more of Power Digger, but it's played for laughs mostly, one of reasons she falls for Arata and becomes content with becoming his wife is because the wife gets all of her husband's Treasure.
• Hime Cut: She has blunt bangs, cheek-length sidelocks, and long straight hair worn in a ponytail. She's a collected and composed woman in a kimono.
• Hour of Power: Master Liber can briefly upgrade Lugh into an Adjudicator-class magus by removing the Power Limiters in Lugh's body, making Lugh much faster to the point she becomes invisible. However, this can only last 10 seconds and Lugh collapses while spitting out blood afterwards.
• Impossibly-Low Neckline: She wears her kimono completely off her shoulders and it's only held in place by her obi.
• Katanas Are Just Better: When not using her magic armaments, she fights with a pair of katanas.
• Laser Blade: She summons two energy blades when she's briefly upgraded into an Adjudicator-class in her Hour of Power.
• Magic Knight: She's a master of high-speed Ildanach magic and an excellent swordswoman.
• Master Swordswoman: Someone who can skillfully wield a sword and move at light speed is a formidable opponent.
• Meaningful Name: Lugh shares the same name of an Irish deity, who was known as the God of Light as well as Ildanach.
• Mystical White Hair: She's a highly powerful magus and Homodeus with white hair.
• Only One Name: So far everyone refers to her as Lugh and she has no surname mentioned. Makes sense since she's a created being without family.
• Power Copying: By moving her eyepatch to the other eye, Lugh can use any magic technique another magus has hit her with.
• Power Limiter: She has bandages wrapped around her body that the Adjudicators put in her to restrain her power. Liber can remove them when she needs Lugh to get really serious in a fight.
• Razor Wings: Her mythical armament Light Wings Claiomh Solais are blade-like wings that allow Lugh to fly and fire light beams.
• Red Baron: She's known as "God of Light" because of her light speed.
• Running Gag: If one of the girls is going to be tied up by something, Lugh has the highest chances of being it.
• Samurai Ponytail: She's basically a samurai magus and wears her hair in a high ponytail.
• Smug Super: She ranks herself as the second strongest person in the world.
• Stalker without a Crush: After becoming curious about Hijiri's love for Arata, Lugh spent several days stalking her to observe Hijiri's daily life and try figuring out why Arata was so important to her.
• The Stoic: The calm expression in her face almost never changes.
• Super-Soldier: Lugh is a Homodeus, a living weapon created during the Great Magic War through combining god genes with human souls. Due to this, Lugh can wield any Mythical Armament and master multiple sorceries.
• Super-Speed: Her specialty is light speed magic.
• Sword and Sorcerer: She forms this dynamic when teamed up with Liber. Since Liber's forte isn't physical attacks, she lets Lugh use her swords and light speed against their opponents.
• Third-Person Person: A variation; she calls herself "this device/machine" instead of using a pronoun in the original Japanese.
• Too Kinky to Torture: She seems to enjoy being bound and tied up a little too much.
• What Is This Thing You Call "Love"?: Lugh became curious about Hijiri because Master Liber told her about Hijiri's love for Arata, which Master Liber called both a treasure and a curse. Lugh got close to Hijiri to try and understand what love is.
• What You Are in the Dark: She chooses to risk her life and help Arata and others after they are locked in a desperate fight against Demon Lord of Luxuria, despite that the latter said that he has no business with her and that he would leave her be if she doesn't interfere.

Grimoires

General

• Barrier Warrior: They can generate magic barriers for defense.
• Made of Magic: Due to their nature as grimoires, their physical bodies are manifestations of pure magic.
• Moe Anthropomorphism: All grimoires are Spell Books that can take the form of pretty girls.
• Spell Book: Grimoires are books or other magic devices containing information about magic and their owner's research.

Sora

Astil Manuscript/Sora

Voiced by: Mariya Ise (Drama CD) and Rie Kugimiya (Anime) (Japanese), Jad Saxton (English)

Arata's grimoire, given to him by Hijiri moments before she was swallowed by the Black Sun. Later she gains a humanoid form.

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• Duplicate Divergence: She's an inferior copy of Radix Astil, the legendary grimoire belonging to the real Demon Lord. Still, Sora has her own identity independent from her "mother" Radix. When Radix shows up to take her away from Arata since he gave up his Demon Lord element, Sora brushes it aside as she swore her loyalty to Arata and has no interest in bringing back the former Demon Lord unlike Radix.
• The Gadfly: Enjoys setting up embarrassing moments between Arata and the members of Trinity Seven.
• Incest Subtext: The scene where she obscenely molests her own mother Radix when they're both naked in the bath.
• Like Parent, Unlike Child: Sora is laid-back and perverted. On the other hand, her mother Radix is serious and more reserved about her feelings for her master.
• Lovable Sex Maniac: Similar to her owner, she has no qualms being perverted both with Arata and the other girls.
• Mystical White Hair: She has silver hair to highlight her supernatural nature as a grimoire.
• Shameless Fanservice Girl: She has no problem being naked in front of Arata whatsoever.
• Skinship Grope: She feels up her mother Radix's breasts in the bath.
• Spotting the Thread: In the first chapter/episode, Arata could figure out she was a fake Hijiri because the illusionary world has a black sun. Sora tried to convince Arata that the sun was always black, but he isn't fooled because the drawing Hijiri made when they were children has a red sun.
• Strong Family Resemblance: Her human form looks like a small, flat-chested copy of her mother's human form.
• Supernatural Gold Eyes: Her golden eyes are another indicator of her non-human nature.
• The Three Faces of Eve: Sora is the Child of Arata's magic equipment. She has a childlike human form and a cheeky, mischievous personality.
• Uncatty Resemblance: She shares her owner Arata's carefree and shameless personality.

Ilia

Ilias Fragment/Ilia

Voiced by: Chinatsu Akasaki (Japanese), Melissa Molano (English)

Another grimoire originally in Hijiri's possession. She took Hijiri's appearance and did household chores for Arata when the former is away on magus duty.

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• Arc Villainess: She's the villainess of the Liber Academy arc where she attacks Arata and Mira when those two are trapped in the sealed Liber Academy. She tries to trap Arata inside a Pocket Dimension at Hijiri's orders. After she's defeated, she becomes Arata's second grimoire.
• Characterization Marches On: In her introduction, Ilia is outright villainous, seriously tries to kill Mira, and creates an illusion of Hijiri in a Naked Apron for Arata. After becoming Arata's grimoire, Ilia acts sweet and modest from then on. She excuses her initial behavior as trying to do anything to fulfill Hijiri's wish of locking Arata in a Pocket Dimension until she's done destroying the world.
• Easily Forgiven: Despite her trapping Arata inside a barrier and nearly killing both Mira and Sora, Arata immediately forgives her actions and accepts to contract her as his second grimoire.
• Emergency Impersonation: Hijiri made Ilia take her appearance and stay with Arata at their old home when Hijiri went out on missions as a magus. Sora could do the trick too, but Hijiri preferred leaving the task to Ilia because Sora would try to do perverted things with Arata while looking like her.
• Foil: To Sora. Both are grimoires with human forms and impersonated Hijiri at some points. While Sora is cheeky and something of a pervert, Ilia is calmer and prudish.
• Heel–Face Turn: After being defeated by Astral Trinity, she follows Arata and becomes contracted to him like Sora.
• Massive Numbered Siblings: She's the third of eight Ilias Fragment "siblings".
• Naked on Arrival: In a sense. She's introduced fully clothed, but using Hijiri's appearance at the time. When Astral Trinity awakens, Ilia is forced to go back to her true form, along with being stripped naked.
• Nice Girl: Leaving aside her being a villain in her introduction, Ilia is a polite and gentle girl.
• Oh, Crap!: Immediately disturbed, then utterly terrified when Arata transforms into Astral Trinity for the first time.
• Only Known by Their Nickname: "Ilia" is the nickname Hijiri gave her. Her "little sister" Okto and her "mother" Mina call her Treis.
• The Three Faces of Eve: Ilia is the Wife of Arata's magic equipment, as she's the levelheaded, polite, and modest girl who contrasts The Gadfly Sora and Ms. Fanservice Judecca.
• You Are Number 6: Her real name Treis means three in Greek, as she's the third of the Ilias Fragment.

Lilim

Hermes Apocryhpha/Lilim

Voiced by: Rina Hidaka (Japanese)

Introduced in the light novel Eternity Library & Alchemic Girl. Lilim is Lilith's grimoire. She appears after Arata touches Lilith's grimoire.

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• Cheerful Child: She looks and acts like an adorably sweet and happy child.
• The Cutie: All the girls of Trinity Seven find her absolutely adorable.
• Did You Just Flip Off Cthulhu?: She's brave enough to tell off the Great Demon Lord's magical body and declare her "papa" Arata will definitely win against him.
• Family Theme Naming: Named Lilim by Arata, to sound similar to her "mother" Lilith.
• Formal Characters Use Keigo: Lilim takes after her "mother" Lilith in formal speech patterns and good manners.
• Mystical White Hair: Like Sora, her white hair highlights her supernatural nature.
• Naked on Arrival: In the light novel, she first appears naked after Arata's magic gets absorbed into her.
• Our Phlebotinum Child: She's Lilith's grimoire who became sentient after absorbing Arata's magic and therefore considers the two as her parents.
• Parental Title Characterization: Since she thinks of Arata and Lilith as her parents, she calls them "Papa-sama" and "Mama-sama" respectively. While these are considered childish ways of addressing one's parents, the addition of the "-sama" honorific demonstrates that Lilim holds her "parents" in high regard.
• Religious and Mythological Theme Naming: Lilim is the name of the demon children of the succubus Lilith according to Jewish folklore and Kabbalistic teachings. Therefore, Lilim is a fitting name for the "daughter" of a character named Lilith.
• Shared Family Quirks: She speaks very politely like her "mother" Lilith.
• Shipper on Deck: Since she thinks of Arata and Lilith as her parents, she very much wants them to be together like a real couple.
• Strong Family Resemblance: She looks like a younger, white-haired version of her "mother" Lilith.

Radix Astil

Radix Astil

The grimoire of the Great Demon Lord Dis Trinity, as well as the "mother" of Sora.

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• He Is Not My Boyfriend: She denies she ever had romantic ties to her master when Sora teases her about acting like a Dis' magical body dumped her.
• Karma Houdini: She doesn't receive any comeuppance for murdering Ilia's "mother" Mina Salem and kidnapping six of the Ilias Fragments.
• Mystical White Hair: Like Sora, Radix is a grimoire that takes the form of a silver-haired woman.
• Subordinate Excuse: She's more than implied to be in love with her master Dis Trinity.
• Supernatural Gold Eyes: She has golden eyes like Sora and is a grimoire even more ancient than her daughter.
• Truly Single Parent: Since she's a grimoire, Sora is a simple copy of her text instead of her daughter in the literal sense and there was no need of a father to create Sora.
• Undying Loyalty: She's completely loyal to Dis Trinity.

Okto

Okto

The eighth chapter of the Ilias Fragments and Ilia's "younger sister". She later becomes Akio's grimoire.

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• Cheerful Child: She has the character and appearance of a sweet, innocent little girl.
• Girlish Pigtails: She has some of her hair tied into pigtails and she's very childish due to being the youngest of Ilia's sisters.
• Naked on Arrival: She first appears bathing at a lake.
• Strong Family Resemblance: She looks like a smaller Ilia.
• You Are Number 6: Okto means eight in Greek since she's the eighth Ilias Fragment.

Demon Lords

General

• Identical Stranger: With the exception of Dis Trinity, all of the Demon Lords are noted to look like white haired versions of Arata. While this is justified with Astral Trinity, as it's Arata's own body under Demonic Possession, it's unclear why Last and Abyss Trinity share Arata's face.
• Maou the Demon King: The Maou or Demon Lord is the most powerful magus of all who is fated to destroy the world after taking the magic of the Trinity Seven.
• Mystical White Hair: The Demon Lords are said to be the strongest types of maguses next to the Paladins and all Demon Lords have white hair.
• White Hair, Black Heart: All Demon Lords have white hair so one can tell they're the biggest among bad guys.

Astral Trinity

Astral Trinity

The Demon Lord entity residing within Arata whose destiny is to destroy the world along with the Trinity Seven.

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• Creepily Long Arms: His arms are noticeably longer than when he's normal.
• Dark Is Evil: His clothing is all black spouting black cape, and has very dark aura, enough to shook everyone when he first time appeared. And while he still hasn't done anything actually evil, he doesn't seem to be a good guy.
• Guardian Entity: Anastasia expels him from Arata's body and turns him into her strongest Demon Lord Knight. Arata later willingly sacrifices his Demon Lord Element in order to restore Anastasia's physical form and this allows Anastasia to keep Astral Trinity as her Demon Lord Knight.
• Malevolent Masked Men: When he first appears, he is wearing a mask. However, he quickly takes it off and it isn't shown after that.
• The Nudifier: Once he appears, one of first thing he does is destroy Mira, Sora and Ilia's clothes.
• Obviously Evil: Black armor with a skeletal theme, evil mask, causes a black sun, check.
• Power of the Void: His power creates a Breakdown Phenomenom in the form of a black sun in the sky that can swallow everything and everyone like a black hole.
• Skeletons in the Coat Closet: His armor has a skeletal theme.
• Superpowered Evil Side: He is the manifestation of Arata's Demon Lord Element which will eventually take him over and force him to destroy the world. At the end of the Magic Research Battle, he leaves Arata's body due to Arata giving up his Demon Lord Element to give a physical body to Anastasia. Astral Trinity then continues to exist as Anastasia's Demon Lord Knight.

Abyss Trinity

The Crimson Demon Lord Abyss Trinity

Voiced by: Tomoaki Maeno

A Demon Lord summoned from a destroyed world with only one fraction of his original power to be used as a Demon Lord Weapon against the current world's Demon Lord, but Abyss Trinity has his own plans to recover his original power and destroy the world himself once more using Lilith, his biological daughter. His thema is Vanitas from the Luxuria archive.

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• Amazingly Embarrassing Parent: He embarrasses Lilith in front of an entire stadium of people by doting on her as a guest announcer during her match.
• Arc Villain: The villain of the Sky Library arc.
• The Atoner: Abyss sending Lilith to the other world is what caused Anastasia to sacrifice herself by expelling herself from the dimension to stop a Luxuria Breakdown Phenomenon. Once he realizes he's responsible for Anastasia's misfortune and her actions at the Magic Research Battle arc, Abyss lends his Demon Lord Weapon to Arata to help him restore Anastasia's physical body.
• Bad Powers, Bad People: His thema Vanitas can turn anything into nothing. A perfect power for a Demon Lord who already destroyed his original world.
• Badass Cape: He wears a cape over his body and as a Demon Lord is very powerful even when he's reduced to a fraction of his power in the current world.
• Brooding Boy, Gentle Girl: In his past, he was a gloomy boy shunned by everyone at his magic academy until he met his eventual wife Arles and she brought joy into his life by becoming his Only Friend.
• Childhood Friend Romance: He met his wife Arles at the magic academy when they were children and she became his only friend.
• Chosen Conception Partner: Arles discovered that a child with hers and Abyss's blood would have the power to help in the defeat of the Goddess of Deep Darkness, which was the goal of her research. Since Abyss always considered Arles his only friend and partner, he accepted to have a child with her.
• Cool Sword: He wields a blade called Red Imperial Sword "Caina". It's also the blade that destroyed Akio's hometown.
• Creepy Long Fingers: He has long, creepy-looking fingers. They become normal after he fuses with Caina.
• Disappeared Dad: He was absent from most of Lilith's life because he wasn't able to leave the Sky Library due to technically being one of its Demon Lord Weapons.
• Doting Parent: After absorbing the paternal love of Akio's magic, Abyss never gets tired of talking about how amazing and wonderful his daughter Lilith is, which does nothing but embarrass her.
• Dragon Rider: When he first time appeared, he is seen riding a dragon.
• Easily Forgiven: Akio takes the news of his resurrection very well. In fact, given the circumstances of it, everyone seems okay with him being back again. Except Lilith. She's just embarrassed by him.
• Equippable Ally: He transforms into sword form to let Arata wield him in the fight against Dis Trinity.
• Every Scar Has a Story: He has a rather big scar over his left eye. He got the scar when his childhood friend Arles came to fulfill the promise they made when they were children and they agreed to have a child together.
• Faux Affably Evil: While he appears as more or less polite at first, beneath he is cruel and uncaring person, with no real value of other people lives. See Kick the Dog Omnicidal Maniac. Post resurrection all traces of this have vanished and he's become a big, goofy, and amazingly embarrassing father to Lilith.
• For the Evulz: When Akio asks him why he blasted her hometown and killed everyone she knew invluding her mother, what reason Abyss gives her? He was bored and wanted to kill time, testing the power of the Demon Lord Weapon while at it.
• Friendless Background: He had no friends at his magic academy because everyone avoided him due to being the Demon Lord candidate. The only one who treated him kindly was his eventual wife Arles.
• Good Feels Good: When Arata defeats him using the combined powers of his comrades, Abyss feels the power of their bonds in their attack, along with the parental love of Akio's mother. When he returns after fusing himself with his Demon Lord Weapon, Abyss is set on being a better person and a good parent who showers his daughter with love, although she still isn't ready to accept him as her father.
• Good Parents: After his Heel–Face Turn, the influence of Akio's mother's love for her child makes Abyss want to try and be a loving father to Lilith who can't be too happy about it when she grew up without knowing him and he was an enemy trying to use her Last Key to destroy the world when she first met him. By the time of the Dante's Gate arc, Lilith has warmed up to Abyss a bit after seeing he has really changed for the better, but still refuses to acknowledge him as her father.
• Heel–Face Turn: He joins Royal Biblia Academy's side after Arata defeats him and he gains human emotions as a result of having his Demon Lord element removed.
• In the Hood: When he first appeared, he wore a hood on his head.
• Kick the Dog: Destroying Akio's hometown just so he could test his powers. And the citizens of said town did nothing to actually provoke him, they in fact welcomed him into their town.
• Lack of Empathy: He didn't seem to be at all bothered when Akio confronted him about destroying her home city, and is looking forward to regaining his powers so he can destroy the world and is willing to use his own daughter for his ends. This changes once the Arata uses Akio's Mantra Enchantment to kill him and this gives Abyss the capacity to feel empathy, mainly through paternal love.
• Living Weapon: He fuses with his sword Caina to revive himself as a living Demon Lord Weapon.
• Locked into Strangeness: He originally had black hair like Arata, but it turned white after he awakened as a Demon Lord.
• Luke, I Am Your Father: He reveals himself to be Lilith's long-lost father.
• No Name Given: It's unknown what was his original name before he became a Demon Lord. His surname was likely Azazel as that's Lilith's original surname and his wife Arles changed her surname from Asami to Azazel after she married him.
• Not Quite Dead: When Arata destroyed him in his final moments, he fused himself to his Demon Lord weapon. While this cost him his Demon Lord element it turned him into a walking embodiment of his weapon, complete with a body to walk move about with.
• Omnicidal Maniac: His goal for kidnapping Lilith is to use her to open a gate to his own world and gain his full power, so he can destroy the current world.
• Opposites Attract: With his wife Arles. In his flashbacks, he's serious and aloof while she's energetic and cheerful.
• Power of the Void: His thema Vanitas centers around all-consuming darkness that can return all of creation to nothing.
• Red Right Hand: He has a claw-like right arm.
• Spikes of Villainy: When he's a villain, he wears an armor with huge spikes on the shoulders.
• The Stoic: In his days as a regular magus, he was very inexpressive and distant. He only smiled a bit when he was with his friend Arles.
• This Cannot Be!: His reaction to Arata surpassing the Trinity by getting access to four archives.
• Took a Level in Cheerfulness: He becomes a lot livelier after his Heel–Face Turn.
• Took a Level in Kindness: Due to the methods of his resurrection, he no longer has his Demon Lord element and is once again in touch with his emotions. He now acts as a polite man and a caring, doting parent to Lilith.
• Worthy Opponent: Seems to see Arata as this.

Dis Trinity

The Argent Purple Demon Lord Dis Trinity

The Great Demon Lord who was sealed at the lowest level of the underworld behind Dante's Gate. His thema is Amore of the Superbia archive.

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• All Your Powers Combined: He can take the magics of the Malebranche and have them absorbed by his Demon Lord Castle to create a multi-headed dragon with each head being a more powerful manifestation of each demon of the Malebranche.
• Badass Adorable: After his revival, he has the body of a cute little boy and is still one of the most powerful beings in the universe.
• Cross Attack: His ultimate weapon, Dante Cross, looks like a giant coffin with a cross that functions as a Wave-Motion Gun that fires devastatingly destructive magic beams.
• Defeat Means Friendship: After he's defeated by Arata and the Trinity Seven, Dis gets on friendly terms with them and becomes a major ally in the battle against the goddess Aryan and her god minions.
• Enemy Mine: He makes a temporary alliance with the Adjudicators he once rebelled against in order to help his son Arata in the battle against the evil gods.
• Fallen Angel: He was once an angelic being who rebelled against the Heavenly Adjudicators, was banished from Heaven and thrown into the human world.
• Fighting Spirit: He can manifest his past forms of Adjudicator and Demon King as magical bodies to help him in battle.
• Friendly Enemy: After resurrecting in his complete form, Dis is very polite and amiable to the main heroes, genuinely praising their power and magic attacks during their battle. He's just as polite when speaking with the Adjudicators despite having started a war against them in the past.
• Graceful Loser: After Arata overpowers him with the help of Trinity Seven and Malebranche, Dis humbly accepts his defeat, passes down the Great Demon Lord title to Arata, and rewards Arata with the magic Astral Ruler.
• Horned Humanoid: He has horns on his head.
• Luke, I Am Your Father: He reveals himself as Arata's real "father" when he explains Arata's soul came from Dis' thema Sensus which he discarded.
• Magic Fire: His black flames distort dimensions and sever space itself while his white flames stimulate the activation of magic as a pure energy. Combining both flames creates one of his most lethal attacks.
• Magical Eye: His Lucifer Gaze gives him the ability to unleash many spells at high speed all at once by just looking at his target.
• Meaningful Name: Dis is the shortened form of Dis Pater, the Roman god of the underworld.
• Mellow Fellow: Dis Trinity is a very nonchalant fellow who reacts to everything with a serene smile. He resembles Arata in that and it makes sense because Dis is sort of Arata's dad.
• Nigh-Invulnerability: He can negate the wounds done to his body by transferring the damage to his soul.
• Perpetual Smiler: He always sports an easygoing smile and doesn't drop it no matter what happens.
• Purple Is Powerful: He bears the title of "Argent Purple Demon Lord" and is one of the most powerful beings in existence.
• Really 700 Years Old: He's thousands of years old despite looking so young.
• Satanic Archetype: He's the ruler of Hell with an army formed by the strongest demons at his command. He was also a Fallen Angel who rebelled against Heaven and started a war in the human world in order to fight Heaven again.
• Shipper on Deck: He approves of Mira as a potential wife for his son Arata after witnessing her great power as a Hero and being impressed by her strong will that keeps her from losing her personality after becoming an Adjudicator.
• Spell My Name With An S: His name has been translated as Dis, Dies, Diss, or Deus.
• Supernaturally Young Parent: While he's technically Arata's father, Dis' appearance after his revival is that of a little boy younger than Arata.
• Technicolor Fire: He can create black and white magical flames.
• Took a Level in Kindness: When he first appears, he's only composed of his magical body which driven solely by destructive instincts and acts like a big Jerkass, even dismissing his grimoire Radix Astil. After he's properly resurrected when his magic returns to him, he becomes very polite and treats Radix Astil nicely. He also forms a friendship with Arata after he's defeated.
• Truly Single Parent: Arata is the embodiment of Dis' Thema Sensus that separated from him when some of the Malebranche killed him. Due to this, Dis considers Arata to be his son.

Last Trinity

The White Demon Lord Last Trinity

Voiced by: Nobunaga Shimazaki

An artificial Demon Lord who was created by the member of Malebranche Libic, also known as Hohenheim. His thema is Sileo from the Luxuria archive.

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• Artificial Human: He's an artificial Demon Lord built by the alchemist Hohenheim.
• Body Backup Drive: Hohenheim built more than 100 spare bodies for Last Trinity that are kept in her library. Every time Last Trinity is destroyed, his memory is transferred to the next body.
• Classy Cravat: He wears a cravat around the neck.
• Cool Mask: He wears a mask that covers his face.
• Healing Factor: His body is composed of the water of life, granting him the ability to regenerate.
• Our Homunculi Are Different: He's classified as a homunculus, which makes sense given that he was created by the founder of Outer Alchemy.

Demon Lord Weapon

Judecca

Black Imperial Sword Judecca

Voiced by: Shizuka Itō

A sentient sword originally sealed in the Sky Library. She becomes Arata's main weapon.

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• BFS: Her real form is a large longsword.
• Black Swords Are Better: She's a black sword and one of the most powerful weapons in the world.
• Buxom Beauty Standard: Her humanoid form has a very big bosom, much to Arata's delight.
• Cleavage Window: The dress of her human form has a huge opening on the chest area.
• Cool Sword: A sword designed to be wielded by the Demon Lord.
• Enemy Scan: She can analyze the abilities and power level of Arata's opponents.
• Equippable Ally: She's Arata'a sentient sword who can take the form of a human woman.
• Hot in Human Form: She's a sword, but her humanoid form looks like a hot, buxom and dark-skinned woman. Her wielder Arata is very pleased whenever he sees her in this form.
• Living Weapon: Judecca is a magic sword with a consciousness and the ability to change into human form.
• Ms. Fanservice: She stands out in a series where Fanservice is the main appeal. Judecca's human form is a beautiful woman with very large breasts and wears a revealing, form-fitting dress. She's also invoking this as she designs her human form according to her master Arata's preferences.
• Mystical White Hair: Her human form has white hair since she's actually a magic sword.
• Only the Chosen May Wield: Side material states that only Arata is able to wield Judecca in any dimension.
• Pointy Ears: Her human form has pointy, elf-like ears.
• Purple Is Powerful: She's a powerful magical sword. Her human form has purple eyes and wears pastel lavender clothes.
• Sex Magic: G-rated version. To "fuse" with Arata, he has to make out with Judecca to "stimulate" her until she has The Immodest Orgasm.
• Significant White Hair, Dark Skin: Judecca is a sentient Demon Lord Weapon that can take the humanoid form of a dark-skinned woman with long white hair.
• Sizeshifter: She can make her sword form compact so Arata carries her in a necklace.
• The Stoic: She doesn't show strong emotions... unless she's "fusing" with Arata.
• The Three Faces of Eve: Among Arata's magic equipment, Judecca is the Seductress. She has a sexy figure, skimpy clothing, and much bigger boobs than Sora and Ilia.
• Weapon of Mass Destruction: It's been stated that Judecca is used as a tool of Demon Lords to destroy whole worlds.

Demon Lord Knights

General

• Four-Temperament Ensemble: The four Demon Lord Knight hosts display the dynamic. Patricia is Choleric, as she's the headstrong and impulsive leader of the Demon Lord Knight hosts. Inori is Melancholic, as she's the most composed and studious one. Chris is Sanguine, as she's the most carefree and upbeat one of the four Demon Lord Knight hosts. Yorun is Phlegmatic, as she's the humble and reserved one of the four Demon Lord Knight hosts.

Pandora

Pandora of Mirror Silver

Introduced in the Anastasia Holy Story spin-off manga. Pandora is the Demon Lord Knight of Acedia. After she destroyed her original world, her Demon Lord factor ended up in the World of Demise where she met Anastasia and became the latter's close companion. However, Anastasia seals Demise upon her resurrection, which causes Pandora to go to Anastasia's world in order to antagonize her.

She later appears in the main series when Anastasia sends Arata to Demise so Pandora and the other Demon Lord Knights train him before his rematch against the Goddess of Deep Darkness.

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• Act of True Love: When she has the chance to stay forever trapped in Demise with Anastasia, Pandora instead chooses to get left behind all alone and sends Anastasia back to the world where she can be with Arata and her friends.
• Anguished Declaration of Love: During her fight with Anastasia, Pandora breaks down crying as she confesses how much she loves Anastasia and was heartbroken when Anastasia sealed Demise, making Pandora feel abandoned.
• Battle Ballgown: She wears her Demon King Knight armor over her dress.
• Black Cloak: Her body is covered by a black robe in her first appearances.
• Brutal Honesty: Right from the moment she meets Arata, Pandora tells him very clearly that she hates him for being the man Anastasia loves.
• Dope Slap: She hits Arata on the head after she he asks the corrupted Harukage if she's wearing panties when they're in the middle of a very serious battle. Arata then explains he did that to leave Harukage/Skade stunned with confusion, giving him an opening to attack.
• Hopeless Suitor: She's in love with Anastasia, who only loves Arata.
• Identical Stranger: She looks just like Anastasia, but with different hair and eye colors.
• I Want My Beloved to Be Happy: At the end of Holy Story, Anastasia is fine with staying trapped in Demise with Pandora, seeing it as atonement for abandoning Pandora before. While being together with Anastasia is Pandora's greatest wish, she uses her power to allow Anastasia to return to the world where Arata and her friends are because she wants Anastasia to live happily alongside those she loves.
• Love Imbues Life: After arriving in Demise, Pandora was just an Empty Shell since her original personality had vanished along with her Demon Lord Factor. Anastasia treated her with love and care, causing Pandora to gain a personality and strong feelings of love for Anastasia.
• Mirror Character: To Anastasia. Besides looking like an exact copy of Anastasia with silver hair, Anastasia realizes Pandora's motives are very similar to the ones she had in antagonizing Arata. Pandora loves Anastasia just as much as Anastasia loves Arata. Because of that, Pandora will do anything to prevent Anastasia's Demon Lord Factor transforms her into a Demon Lord, driving her to attempt killing Anastasia before that happens.
• Mystical White Hair: She has silver hair, contrasting Anastasia's black hair. This highlights her supernatural nature as a Demon Lord Knight.
• Shameless Fanservice Girl: She's got no issues with joining Arata in the bath so she can measure his magic level by licking his naked chest.
• She Is the King: Although she's a woman, she still bears the title of a former Demon Lord.
• Summon Magic: With the power of her Demon's Gift, Emperor Slave, Pandora can summon an army of Demon Lord Knights at will.
• Supernatural Gold Eyes: She's a Demon Lord Knight with amber eyes.
• Tsundere: Towards Arata. Pandora is cold to him because she sees him as a love rival for Anastasia, but she doesn't really hate him and can be nice to him from time to time. Lampshaded by Inori who calls Pandora a "yuri tsundere".
• You Are Not Alone: After she sends Anna back to the human world, the Demon Lord Knights appear to remind Pandora she won't have to be alone at Demise because they'll be with her.

Patricia Caesar

Patricia Caesar

A senior student of Royal Biblia Academy and the host of the Demon Lord Knight of Superbia, Aradis of Crimson Chasm. Her thema is Regius.

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• Battle Ballgown: Her Demon Lord Knight mode is an armor with a long, frilly Showgirl Skirt.
• Cleavage Window: Her Battle Ballgown has an opening in the chest area.
• Increasingly Lethal Enemy: Her branch magic, Blood Ogre, makes her stronger with the more damage she takes in battle.
• In-Series Nickname: Her kohai and Arata nickname her "Patty".
• The Leader: She's the leader of the Demon Lord Knight hosts.

Inori Suiten

Inori Suiten

Inori is the host of the Demon Lord Knight of Ira, Ischuria of Green Sky. Despite being the youngest of the Demon Lord Knights, her magical power is the strongest among the group. Her thema is Analysis.

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• Battle Ballgown: Her Demon Lord Knight armor comes with a Showgirl Skirt.
• Bitch in Sheep's Clothing: She put up a mask of a normal and polite girl to not stand out, but her true self is a ruthless magus who is willing to turn everyone at the school into stone and endanger her own friends in the name of researching her thema.
• Catchphrase: "I understand. I understand."
• Easily Forgiven: Inori's friends instantly forgive her for trying to petrify them along with all the other students of the academy.
• Eyes Always Shut: She usually keeps her eyes closed, as it matches her calm and polite personality.
• Hime Cut: She's a calm young lady with full bangs, cheek-length sidelocks, and hip-length straight hair.
• Mage Born of Muggles: She has been raised by completely ordinary parents and lived a normal life until she discovered she's a magus and joined Royal Biblia Academy.
• Meteor-Summoning Attack: She can cast a spell to summon a meteor shower.
• Perpetual Smiler: She rarely stops smiling.
• Signature Headgear: She wears a trademark hairclip that resembles a molecule model or constellation.
• Star Power: Her branch magic is "Polaris Order" which uses the light of the stars as power.
• Symbiotic Possession: Unlike the other Demon Lord Knight hosts, Inori retains her consciousness from the start and is capable of using the power of her Demon Lord Knight without losing control.
• Taken for Granite: Her Demon's Gift, Emperor Dust, gives her the ability to turn people into stone statues.

Chris Yumegaya

Chris Yumegaya

Chris is the host of the Demon Lord Knight of Luxuria, Azaria of Pink Ridge.

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• Chainmail Bikini: Her Demon Lord Knight armor looks like a metal bikini.
• Custom Uniform of Sexy: The shirt of her school uniform has a lower neckline than others.
• Epic Flail: Her weapon is a ball-and-chain flail.
• Girlish Pigtails: Her hair is tied into low pigtails at the back.
• Gravity Master: Her Demon's Gift, Demon Emperor Layer, gives her the power to control gravity, but it only works on one target at the time.
• Gyaru Girl: She knows about fashion, wears her school uniform with an extra short skirt and an unbuttoned shirt that reveals most of her cleavage.
• Oral Fixation: She's sometimes seen licking a lollipop.
• Showgirl Skirt: Her Demon Lord Knight mode has a miniskirt that splits at the front.
• Spontaneous Weapon Creation: Her branch magic, Clay Building, gives her the ability to instantly create weapons and armours.

Yorun Mamiya

Yorun Mamiya

Yorun is the host of the Demon Lord Knight of Invidia, Voltea of Blue Dream.

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• Battle Ballgown: Her Demon Lord Knight armor comes with a Showgirl Skirt.
• Hiding Behind Your Bangs: Her left eye is covered by her long bangs. Her abilities are ninjutsu techniques and Invisibility.
• Invisibility: Her Demon's Gift, Emperor Prison, makes her appearance and magical power completely invisible to those around her.
• Ninja: As the norm for an Invidia magus, she uses ninja techniques in battle.
• Scarf of Asskicking: She wears a long scarf around the neck in her Demon Lord Knight mode.
• The Transmogrifier: Her branch magic is "Shadow Servant" which gives her the ability to transform pieces of paper into copies of herself and other people.

Malebranche

General

• Demon of Human Origin: All of them except for Rubine were human maguses who crossed Dante's Gate and transformed into demons in their pursuit for magic power.
• The Legions of Hell: They are the Twelve Demon Commanders that serve the True Magic King within Dante's Gate.
• Sexy Dimorphism: The male demons look monstrous and only turn into human form when low in magic power. In contrast, the female demons always look like attractive human women.
• Shout-Out Theme Naming: Their demon names are based on the Malebranche from Dante's Inferno in The Divine Comedy.
  • Melacoda = Malacoda
  • Rubine = Rubicante
  • Arbariccia = Barbariccia
  • Guttlehoge = Ciriatto
  • Farfarea = Farfarello
  • Dragnazzo = Draghignazzo
  • Caggnazzo = Cagnazzo
  • Miglione = Scarmiglione
  • Libic = Libicocco
  • Haklesspur = Calcabrina
  • Graffia = Graffiacane
  • Alichinno = Alichino
• Was Once a Man: Several of them became monsters after transforming into demons, although they can go return to their original human forms when low in magic power.

Melacoda

"The Steel of Wild Earth" Melacoda

The leader of Malebranche and a fully-armored giant. His thema is Invicta from the Ira archive.

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• Animated Armor: He transformed his entire body into a giantic adamas armor.
• Gentle Giant: He's a lot more gentle and soft than his intimidating appearance and large size would make anyone think.
• Graceful Loser: After Akio destroys all his adamas weapons, he returns the Illias Fragment he had and is nice enough as to show Akio and Okto a sauna where they can relax.
• Made of Indestructium: His weapons and armor body are made of adamas, the toughest of metals that is considered indestructible. Normally, it would take decades to even make a scratch on adamas, but Akio's kicks can destroy all of Melacoda's weapons.
• Nice Guy: Despite being a Demon Commander, Melacoda is incredibly polite and affable.

Rubine

"Darkness of Maddening Death" Rubine

The strongest of the Twelve Demon Commanders. Rubine is the only commander who wasn't originally human as she's an embodiment of "The Original Sin of Darkness". Her thema is Auxilium from the Ira archive.

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• Dark Is Not Evil: She's a demon literally made out of darkness, wears a black gothic dress, and her magic is the stuff of nightmares. Leaving all that aside, Rubine is far from evil or malicious and is quite nice to the heroes.
• Friendly Enemy: She's quite friendly with Arata and his friends and has no malicious intentions in wanting to fight them; she just wants strong people to fight as that's hard when she's the strongest demon in the underworld.
• Moe Anthropomorphism: Rubine is the embodiment of darkness itself taking the form of an attractive girl.
• Parasol of Prettiness: She's sometimes seen holding a parasol that complements her gothic dress.
• Perky Goth: While she wears a black gothic dress, she's very cheerful.
• Reflectionless Useless Eyes: The lack of light in her eyes hints at her nature as a demon of darkness.
• Sexy Backless Outfit: Her dress has a gap in the back, although her back is fully covered later on.
• Shameless Fanservice Girl: She's more than happy to be naked in front of Arata and take baths with him.
• Sinister Scythe: Her weapon is a large scythe.
• Spirited Competitor: She gets excited whenever she thinks she can find powerful magus who can put up a fight against her. She also wants to fight her boss the True Demon Lord because there's no more powerful being in the underworld than him.
• Summon Magic: She can summon and control an army of Grim Reapers that appears to have no end in numbers.

Arbariccia

"The Mocking Hand of God" Arbariccia

The second-in-command of Malebranche. Arbariccia does not possess a physical body nor a soul, but is a set of memories and will that take control of a body. Her current host is the witch Mina Salem who was killed by her and Radix. Her thema is Flux from the Avaritia archive.

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• Ambition Is Evil: Her goal is stealing the power of the Great Demon Lord and become the most powerful demon of all. Because of this, she led the demons of Malebranche that betrayed the Demon Lord eighteen years ago.
• Big Bad Wannabe: She wants to usurp the throne of the Great Demon Lord, has Dis Trinity's physical body under her control, and was the main conspirator who had Dis Trinity killed years ago. Just as Arbariccia is on her way to steal the Demon Lord Core, Yui casts her Last Crest and traps Arbariccia inside her dream world. To add insult to injury, Yui reduces Arbariccia to a powerless pet by inserting her consciousness in a penguin.
• Butt-Monkey: After her defeat at hands of Yui, Arbariccia's role ends up reduced basically to the butt of the joke and target of teasing from the main characters especially when her mind is put in a penguin.
• Curtains Match the Window: Mina Salem's body has pink hair and pink eyes.
• Cute Witch: Her latest "vessel" is the witch Mina Salem, so Arbariccia appears as a cute pink-haired girl with a large witch hat and a broom.
• Face of an Angel, Mind of a Demon: In a literal sense. Arbariccia's host is a pink-haired Cute Witch, but her mind is that of a manipulative and vicious demon.
• Forced Transformation: Yui traps Arbariccia's consciousness inside a penguin so she can't pursue her goal of becoming the new Great Demon Lord.
• Number Two: Her authority in Malebranche is second only to Dis Trinity and Melacoda.
• Our Angels Are Different: She mastered the forbidden macro called Angelic Feather that transformed her into something similar to a holy spirit that can possess people so that they act as her "messengers" in a similar way to how angels give "revelations" to saints and through them perform the act of God.
• Parasitic Immortality: She only exists as a consciousness that moves from one body to another. Even if her current "container" is destroyed, Arbariccia only needs to make another "revelation" and inhabit another person's body.
• Pet the Dog: She seems to be genuinely touched when a piece of Graffia protects her in penguin form since it lets her know Graffia cares about her even though she only used him as a pawn.
• Sealed Inside a Person-Shaped Can: Yui manages to defeat her by using her Last Crest to trap Arbariccia inside her real(?) body located at her dream world. Yui can place Arbariccia's consciousness inside a penguin to let her out, but Arbariccia hates that even more.
• Smug Snake: Her arrogance and overconfidence lead her to her defeat as she didn't think Dis Trinity could come back after she tried to overthrow him nor that Yui's Last Crest could counter Arbariccia's Body Surf spell.
• Talking Animal: Yui traps her mind inside a penguin, but Arbariccia can still talk human language in that body.
• Team Pet: She's forced to become this when Yui inserts Arbariccia's mind in a penguin and the demon must hang around the main group trapped inside an animal's body.
• Winged Humanoid: She can sprout a large feathered wing from her back.

Miglione

"The Shore of Torment by Scouring Seaweed" Miglione

A snake demon who enjoys devouring maguses. She is also known as the Phantasm of Water, an infamous Code D magus who submerged seven kingdoms in the depths of water. Her thema is Moderatio from the Acedia archive.

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• Butt-Monkey: From the moment she's at the receiving end of a Curb-Stomp Battle from Liese, Miglione's role is mainly being the target of slapstick or getting bossed around by Liese.
• Person of Mass Destruction: In the past, she destroyed entire nations by sinking them into the sea.
• Resurrective Immortality: If she's killed, she can instantly resurrect herself because of all the lives she has consumed.
• Snake People: She looks like a woman with several snake heads for legs.
• Snakes Are Sinister: She's one of the vilest demons in Malebranche and the only one who is half snake.

Caggnazzo

"The Gap in Distorted Time" Caggnazzo

^{Click here to see his human form} 

Previously known as Pythagoras, originator of Logos Art. He turned into monstrous demon and joined the Twelve Demon Commanders. His thema is Stagna from the Acedia archive.

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• Animalistic Abomination: The only way to describe him is a gigantic canine-like monster that seems right out of the Cthulhu Mythos.
• A Form You Are Comfortable With: Because Mira finds his form way too scary, Caggnazzo transports himself inside Liese's tablet grimoire where the screen depicts him as a cute three-headed puppy.
• Formulaic Magic: He created the Logos Art branch of magic that is centered around numbers and calculations.

Farfarea

"The Laughing Demon Clown" Farfarea

A demon of Malebranche specialized in illusions. His thema is Ridic from the Invidia archive.

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• Doppelgänger Attack: He can create illusionary copies of himself in battle.
• Flash Step: He can move so fast that it has the same effect as teleportation.
• Hoist by His Own Petard: He stole the Great Demon Lord's magic power, which comes back to bite him in the ass when Levi pushes him to use that power too much and Dis Trinity's magical body literally explodes out of his body.
• Kung-Fu Wizard: Along with being a great illusionist, he's the best martial artist of the Malebranche. His attacks involve combining his illusions with physical attacks.
• Master of Illusion: His Schalloch Oresteia spell creates very realistic illusions.
• Monster Clown: He's called the Demon Clown and dresses like jester.
• Spell My Name With An S: His name is translated as either Farfarea or Farfarella.

Guttlehoge

"The Ferocious Tearing Fang" Guttlehoge

^{Click here to see his human form} 

Formerly known as the Paladin-class magus Lafkutiba who transformed himself into a lion demon after the end of the Great Mage War. His thema is Cupiditas from the Avaritia archive.

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• Beast Man: He looks like a humanoid lion after transforming into a demon.
• Graceful Loser: He's pretty chill about being defeated by Hijiri and Anna's combined Last Crest.
• Hot in Human Form: He transformed into a lion demon, but his original human form is quite an eye candy. When he turns back into human to recharge magic power, Ryuhime is surprised by how attractive he looks.
• Many Spirits Inside of One: His "Art of the Beast Emperor" magic spell allows him to house 666 magical beasts of the highest class inside his body.

Libic

"The Wind of Dark Destruction" Libic

Previously known as Hohenheim, a Paladin-class magus and originator of the Outer Alchemy. She is also the original owner of the Hermes Apochrypha and creator of Last Trinity. Hohenheim upgraded herself into demon and become one of the Malebranche. Her thema is Abies from the Luxuria archive.

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• Blindfolded Vision: She usually has her eyes covered by a blindfold, yet she doesn't have any problems knowing what's going on around her.
• Cleavage Window: She wears a dress with a large cleavage cutout.
• Creating Life: She created her own artificial Demon Lord.
• Named After Somebody Famous: Her original name Hohenheim is based on the Swiss alchemist Theophrastus von Hohenheim, also known as Paracelsus.
• Sexy Backless Outfit: Her dress leaves her back bare, although it's hard to notice because of her veil.

Graffia

"The Robes of Hollow Shadows" Graffia

A demon clad in a black armor. He stole the physical body of Dis Trinity, losing his soul and consciousness as a result. He's now serving as Arbariccia's obedient minion.

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• Abnormal Ammo: From his gun, he fires magic bullets shaped like giant dragons.
• Empty Shell: Due to his soul being destroyed after stealing Dis Trinity's physical body, Graffia has been reduced to a living, mute puppet that only follows Arbariccia's orders.
• The Speechless: According to Miglione, Graffia was always of few words, but now can't speak at all unless Arbariccia orders him to use Dis Trinity's voice to trick Radix.

Alichinno and Haklesspur

"The Raging Hertless Wolf" Alichinno and "The Stomping Mad Tree" Haklesspur

A werewolf magus and a demonic tree that become demons after entering Dante's Gate. They lost their sense of reason after years of devouring maguses, but later regain their sanity thanks to being defeated by some members of Trinity Seven.

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• Plant Person: Haklesspur is a giant tree demon.
• Took a Level in Kindness: Introduced as mindless monsters, but they become civilized after they get revived by Dis Trinity and recover their sense of reason thanks to Akio and Liese beating them.
• Wolf Man: Alchinno is a large, anthropomorphic wolf.
• The Worf Effect: Both are on the receiving end of a Curb-Stomp Battle from Yui that only serves to show how incredibly powerful the Avaritia magic is beyond Dante's Gate.

Wu Xing Shadow Ninja Force

Ryuhime Kashin

Ryuhime Kashin

A self-proclaimed "perfect ninja". Ryuhime was a candidate for the Trinity Seven of Invidia and shares a past with Levi. Her thema is Perfectus from the Invidia archive.

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• Absurd Cutting Power: Her Dragon Orb magic gives her the ability of cutting through anything, including dimensions.
• Bad Powers, Good People: As a Shadow Ninja, Ryuhime's magic uses the soul and corpses of the dead as her source of power. While she acts antagonistic towards Levi at first, Ryuhime is naturally a good person and an ally to the heroes.
• Big Sister Worship: Her older sister Ryuki was her ideal role model of a perfect ninja.
• Classy Cravat: She wears a cravat in the neck.
• Dimensional Cutter: Her hands can cut through dimensions or create portals.
• Hand Blast: Her Dragon Orb magic allows her to fire a Razor Wind from her hands that can cut through Code D dragons and dimensions.
• Necromancer: Although not to the same level as her sister, Ryuhime can control the souls of the dead to some extent. This is why Levi thinks Ryuhime is the ideal wielder of Murasame as she can use the power of the dead souls inside the cursed sword.
• New Transfer Student: After the Dante's Gate arc, Ryuhime joins the Royal Biblia Academy as a transfer student.
• Ninja: Like Levi, Ryuhime is a master of ninjutsu techniques.
• The Perfectionist: As her thema indicates, Ryuhime's goal is becoming the perfect ninja.
• Signature Headgear: She wears a six-pointed shuriken as a hair accessory on the right side of her hair. Ryuhime is also a ninja near the level of Levi.
• Skeletons in the Coat Closet: She wears an armor with a skeletal theme when she contracts with Charme Murasame.
• Stripperiffic: Her armor when using Murasame only really cover her arms and legs while her torso only wears the minimun enough to cover her private parts.
• Summon Magic: She has her own mini-squad of elemental ninja that she can summon through the talismans in her hat.
• We Used to Be Friends: She and Levi got along well when they were children until Levi killed Ryuhime's older sister. After Ryuki reveals her true nature and they defeat her, Ryuhime and Levi reconcile.

Ryuki Kashin

Ryuki Kashin

Ryuhime's older sister who was killed by Levi.

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• Bad Powers, Bad People: She can control the dead and create zombies. She's also not as kind as Ryuhime remembered her to be.
• Broken Pedestal: To Ryuhime. After dying and becoming a demon, Ryuki reveals that she only pretended to be the kind older sister Ryuhime admired.
• Cool Big Sis: She was a kind big sister to Ryuhime in the blood-related sense and to Levi in the surrogate sense.
• Dark and Troubled Past: She was locked away in a dungeon from birth due to being considered the reincarnation of the golden dragon.
• Evil Mentor: She trained Levi only to steal the power of her Eye of God of Calamity and force Levi to kill her so she could absorb the Demon Commander Dragnazzo at the underworld.
• Full-Frontal Assault: She defeated the Demon Commander Dragnazzo shortly after her soul manifested naked in the underworld.
• Horned Humanoid: After absorbing Dragnazzo, Ryuki has a horn coming out of the left side of her forehead.
• Magical Eye: Before death, she stole the power of Levi's left eye to foresee the death of things.
• Necromancer: She can turn the people she kills into her zombie army and revived Charme by fusing her with the sword Murasame.
• Not So Similar: She and Levi aren't alike at all despite their similar pasts. Ryuki hated and resented everyone in the world for locking her away since birth. Levi, on the other hand, never hated nor blamed anyone for her misfortune because she never expected anyone to save her and was extremely grateful with simply gaining a friend in Charme.
• Our Hydras Are Different: By absorbing Dragnazzo, she transforms into a hydra-like monster with five dragon skeleton heads.
• Shadow Archetype: She embodies the twisted person Levi could have become if she ever "expected" her life to be a good and fair one from beginning to end.
• Thanatos Gambit: She forced Levi into killing her and stole her Eye of God of Calamity all in order of her soul arriving at the underworld where she could absorb Dragnazzo.

β-Universe

β-Lieselotte Sherlock

β-Lieselotte Sherlock

The villain of Lieselotte Chronicle.

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• Alternate Self: She's the Lieselotte in the β-universe where both exist as separate people.
• The Beastmaster: She can control the Ryoken Animalistic Abominations that inhabit space-time due to being the owner of Pythagoras' treasure Gleipnir.
• Chain Pain: She possesses the magic chain Gleipnir that is the greatest treasure of Pythagoras, founder of Logos Arts.
• Dark Is Evil: Her Belphegor form gives her horns, demonic wings, and a more villainous look than α Liese.
• Evil Twin: She's Liese's counterpart from the β-universe where she's still an evil magus trying to steal Arata's Demon Lord factor.
• For Want Of A Nail: This Liese's life completely diverged from the one of the α timeline because she didn't go looking for the Headmaster and went back to her uncle's mansion that was attacked by vampires once she figured out they were after the treasure hidden under the garden's fountain, resulting in Selina being killed by a vampire and Liese taking possession over the Gleipnir treasure.
• Fountain of Youth: She gets turned into a child because of her other self reversing her personal time.
• Heel–Face Turn: She quickly switches sides after her other self and Aries defeat her, helping them in the fight against Chronos Trinity.
• Horned Humanoid: Her Belphegor form gives her horns in her head.
• Kicking Ass in All Her Finery: After being turned into a child, she participates in the fight against Chronos Trinity while wearing a frilly Elegant Gothic Lolita dress.
• Knight Templar Big Sister: She doesn't want her little sister Selina to die again. For this, she fused her Selina with the magic treasure Gleipnir and is trying to become the new Demon Lord to have the power she needs to freeze Selina's time before death forever. If the world is destroyed by her, then she can create a constructed world where she and Selina can continue living.
• Living Weapon: She fuses herself with Gleipnir in order to defeat Chronos Trinity.
• Necromancer: She brought Selina back to life after the latter was killed by a vampire when they were kids, by fusing Selina with the magic treasure Gleipnir. However, it's later revealed her Selina was just Gleipnir taking Selina's form after the real Selina died.
• Necromantic: This Liese became an evil magus to obtain the power to fully resurrect Selina.
• Slouch of Villainy: Before attacking her other self, she's shown sitting at a throne in the Eternal Library.
• Walking Spoiler: The entire conflict and mystery of Lieselotte's spin-off revolve around her evil Alternate Self, making almost everything about β-Lieselotte a spoiler.

Heavenly Adjudicators

General

• Demonic Possession: All the Adjudicators, except Faunalia, are defeated by the goddess Aryan and used as vessels for her God's Kin.
• Eyes Out of Sight: When they're turned into vessels of Aryan's God's Kin, their eyes are covered by something like an eye mask or a blindfold.
• Zodiac Motifs: During their meetings, each Adjudicator sits on a floating cube with a symbol of the Western Zodiac.
  • Master Biblia = Taurus
  • Aetheria = Libra
  • Aries = Aries
  • Faunaria = Capricorn
  • Maris = Pisces
  • Amana = Leo
  • Harukage = Scorpio
  • Altana = Virgo
  • Selina = Gemini

Aetheria Akasha

Aetheria Akasha

The Adjudicator of Arbitrari. She is the leader of the Adjudicators and a Paladin-class magus. She is also Arsha's mother who was the headmaster of Royal Akasha Academy before her. Her magic is derived from the Superbia cloud.

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• The Archmage: She's a Paladin-class magus.
• The Leader: She is the leader of the Adjudicators and none of the others can defy her decisions.
• Mentor Archetype: At Arsha's request, Aetheria trains Mira as a Hero candidate and potential Adjudicator.
• Ojou Ringlets: Like her daughter, she has two ringlets in front of her ears and shoulders.
• People Puppets: Her magic can control people's bodies to use them as her weapons.
• Specs of Awesome: The main physical difference between her and her daughter Arsha is that Aetheria wears glasses. She's just as if not more powerful than Arsha.
• Stoic Spectacles: She wears glasses and has a serious personality.
• Supernaturally Young Parent: She doesn't look any older than her daughter Arsha who also never seems to age past her early teens. It's related to both being Paladin-class maguses.
• Tsundere: She gets called one by Harukage because of Aetheria's reluctance to accept help from the Great Demon Lords Arata and Dis, only to later acknowledge that the Great Demon Lords and their forces are essential for the defeat of the Giants of Nornil.

Aries Caldia

Aries Caldia

The Adjudicator of Tempus. Aries is the descendant of the founder of Logos Art, Pythagoras. Her thema is Infrequentia from the Acedia archive and cloud.

She first appeared in the spin-off manga Lieselotte Chronicle where she is the Trinity Seven of Acedia archive from β-universe instead of Lieselotte Sherlock.

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• Alternate Self: At the end of Lieselotte Chronicle, there's two Aries; the older one who travels to Liese's past and the younger one who continues to live in the β-universe thanks to Liese restoring her existence. The older Aries appears in the main series after becoming an Adjudicator.
• Ancestral Weapon: Her scythe Dáinsleif was the weapon wielded by Pythagoras and possessing it is proof that Aries is his descendant.
• Badass Adorable: She's extremely adorable, especially around Arata, and an Acedia magus of Logos Arts as powerful as Liese.
• Badass Longcoat: As an Adjudicator, Aries wears a long trench coat that makes her look even cooler in action.
• Barrier Maiden: Due to being a Trinity Seven of Acedia existing in the same plane as Liese who travels to her timeline, Aries is the Last Key whose death means the destruction of the β-universe.
• Big Eater: The jumbo katsudon she has for lunch could feed two or three people.
• Crystal Ball: She can summon an orb that allows her to access time itself.
• Dimensional Traveler: She was originally a human of the β-universe
• Dynamic Entry: She makes her first official appearance in the main story when she ambushes Liese at the public bath.
• Flight: She has a wings mythical armament that gives her the ability to fly.
• Foil: To Lieselotte. Both are Trinity Seven of Acedia and masters of the Logos Arts in different timelines, yet their characters are complete opposites. While Liese is a flirtatious and skimply dressed blonde, Aries is a collected and conservative black-haired girl.
• Formulaic Magic: Like Liese, Aries is a user of the calculation magic Logos Art.
• Get A Hold Of Yourself Man: She slaps Liese in the face to stop her from having a Heroic BSoD after Liese accidentally kills a copy of Selina (that was actually the chain Gleipnir).
• Giant Poofy Sleeves: She wears a dress with shoulder puffs as an adult.
• Heroic Willpower: Unlike other Adjudicators, Aries is able to resist being completely taken over by the God's Kin possessing her body for a long time.
• Hiding Behind Your Bangs: She has a reserved, demure personality, and one of her eyes is sometimes hidden by her long bangs.
• Hime Cut: She has full bangs, chin-length sidelocks, and hip-length straight hair. She has a mostly calm personality and inclination for Elegant Gothic Lolita clothing.
• I'm Crying, but I Don't Know Why: After Liese locks herself and Chronos Trinity in a frozen dimension outside time-space, Aries is made forget about Liese and Arata. She still cries as she senses she forgot something important.
• Kicking Ass in All Her Finery: Her Magus Mode is a frilly Elegant Gothic Lolita-style dress and she sure can kick a lot of ass in it. The coat she wears as an Adjudicator is also quite stylish.
• Lovely Angels: She and Liese are both a Trinity Seven of Acedia, forming a powerful duo when they team up in the fights against β-Liese in the spin-off.
• The Nicknamer: She calls Liese "Witch of Another Dimension" and Arata "Fiendish Demon Lord Candidate".
• Post-Modern Magik: Like Liese, her grimoire is a tablet.
• Proper Tights with a Skirt: She wears tights with her school uniform and has a very well-mannered behavior.
• Red Oni, Blue Oni: The calmer Blue Oni to Liese's more cheerful Red Oni.
• Reluctant Fanservice Girl: She feels embarrassed to death when the resident Accidental Pervert Arata sees her naked. Liese thinks this should be the natural reaction as she and the rest of her dimension's Trinity Seven have gotten too used to being stripped by Arata.
• Scarf of Asskicking: Her older self wears a scarf around the neck and she sure needs to be a badass to be accepted as an Adjudicator.
• Seers: With the help of her Crystal Ball, she's able to see what will happen in the future.
• Self-Duplication: As the time god Pholus' vessel, Aries can split herself into three colored copies of herself, with each Aries representing present, past and future.
• Sinister Scythe: She wields the scythe Dáinsleif, a mythical armament created by Pythagoras that can cut space-time karma itself.
• Spell My Name With An S: Her surname is translated as Caldia, Cardia, or Chaldea.
• Stellar Name: Aries is named after the first constellation of the Western Zodiac.
• Sugar-and-Ice Personality: She's a very kind-hearted and nice girl even though her collected and silent demeanor makes her keep her distance from others except for a selected few.
• Supernatural Gold Eyes: She has golden eyes and is a powerful magus and Adjudicator with power over time and space.
• Tears of Joy: She's moved to tears when she can meet Liese and Arata again in the main timeline.
• Teleportation: Like Liese, Aries can use Logos Art to teleport herself at small distances.
• Terse Talker: Her sentences of dialogue are normally short, skipping short pronouns and articles when not strictly necessary for clarity. Liese points out this manner of speech makes Aries sound like a machine.
• Time Master: Being the Adjudicator of Time gives her near absolute control over time.
• Trademark Favorite Food: She grows fond of strawberry crepes after Arata eats one with her. Even after becoming an Adjudicator, she still chooses strawberry crepes for a snack.
• Tsundere: She gets annoyed at Arata's Accidental Pervert moments with her, yet she can't stand seeing him get hurt even more and cries out of relief when she sees he's safe after a time rewind. when Lampshaded by Liese who can tell Aries is the type who acts like she hates Arata only to fall for him.
• Walking Spoiler: Almost every single detail about her is a spoiler, mainly her existence in the main series' timeline.
• Wistful Amnesia: Liese freezes herself outside space-time to trap Chronos Trinity, causing both Liese's and Arata's existence to be erased of the β-universe. Still, Aries knows she forgot something important and eventually saves Liese and Arata by travelling in time.

Faunalia Road

Faunaria Road

The Adjudicator of Lux. Her magic is derived from the Temperantia cloud.

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• Big Ol' Eyebrows: She has thicker eyebrows compared to other characters.
• Braids of Action: The lower half of her hair is tied in a braid. Being an Adjudicator makes her a high-level magus too.
• Dark and Troubled Past: Her family and hometown were wiped out when she was a child, leaving her as the Sole Survivor.
• Hand Blast: She can shoot light beams and blasts from her fingers.
• Happily Adopted: She has a mother-daughter bond with Maris who raised her after Faunalia's hometown was destroyed.
• Light 'em Up: She can fire light from her hands.
• Mark of the Supernatural: She has purple eyes and is from the clan of the celestial people.
• Master of Threads: Besides the light beams, she can create light wires from her fingers to attack at a close range.
• Shock and Awe: By connecting to her cloud, she can summon powerful thunders from the sky.
• Signature Headgear: She stands out because of the large hair ribbon that resembles rabbit ears at the back of her head.
• Speak Ill of the Dead: She insults Hijiri who was recently sacrificed to create the sword Lævateinn, calling her a "pathetic magus" born in the lowly human world and a "disposable scrap of paper", all in front of Master Liber and Lugh who are mourning their comrade. Master Liber and Lugh then start a full-on battle with Faunalia to make her regret her words.
• Spell My Name With An S: Her name has been translated as Faunalia or Faunaria.

Maris Stella

Maris Stella

The Adjudicator of Pulchra. Her magic is derived from the Sapientia cloud.

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• Emotionless Girl: She never shows emotion.
• Enemy Scan: She can analyze a magus' abilities with her Magical Eye.
• The Gadfly: She enjoys teasing Faunalia with playful lies.
• Heroic Sacrifice: She destroys her own Conceptual Mechanism and sacrifices her human form in a Suicide Attack against the goddess Aryan to give Faunalia the chance to escape with Aries. She still comes back after Aryan fuses her with a heavenly tool.
• An Ice Person: Her spell "Emperor Crown Pillar" changes the ocean surface of the Twilight Library to ice by activating an ice barrier skill within a 31 kilometer radius.
• Know When to Fold 'Em: While she's still under Aryan's control, Maris realizes that trying to take on Master Biblia, Abyss Trinity, Dis Trinity and Arin all at once is a bad idea. She decides to stop the fight and accepts Master Biblia's offer to eat together with the others at a beach house.
• Moe Anthropomorphism: She's the forbidden fruit from The Bible giving the form of a young girl.
• Navel Window: Her outfit has a cutout around her navel.
• Parental Substitute: She took up the task of raising Faunalia at the request of the latter's mother after Faunalia's hometown was destroyed.
• Really 700 Years Old: Her petite body makes her look quite young, but Maris has been around since humanity came to be.
• Rei Ayanami Expy: She's an Emotionless Girl with light blue hair and a very powerful mage who is actually a grimoire in human form.
• The Stoic: Her facial expression is locked in a distant glance.
• Time Abyss: She's as old as the beginning of humanity since she's the personification of the forbidden fruit that was eaten by the first humans, Adam and Eve.
• Two First Names: Stella is more commonly used as a given name than a last like with Maris.
• Will Not Tell a Lie: Maris claims to have never told a lie in her whole life.

Amana Murakumo

Amana Murakumo

The Adjudicator of Vis. Her magic is derived from the Fortiter cloud.

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• Blood Knight: She loves to fight against strong opponents.
• Boyish Short Hair: She's somewhat of a laid-back tomboy, one of the physically toughest Adjudicators, and has short hair.
• Bokukko: She uses "boku" to refer to herself.
• Defeat Means Friendship: After countless deathmatches, Akio finally manages to defeat the God's Kin Levana, allowing Amana to assimilate her. Afterwards, they're besties.
• God in Human Form: After being defeated by Akio, she assimilates the God's Kin Levana, becoming a God Vessel.
• Multi-Armed and Dangerous: As the God's Kin Levana, Amana wears an armor with multiple arms on her back, resembling an Asura.
• School Uniforms are the New Black: She wears a school uniform at the Adjudicator headquarters for no apparent reason.
• Winged Humanoid: She can sprout feathered wings to fly around in the battlefield.

Harukage Minamoto

Harukage Minamoto

The Adjudicator of Umbra. She has a close relationship with Master Biblia who she calls her brother. Her magic is derived from the Avaritia cloud.

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• Casting a Shadow: She can control shadows and use them as sharp weapons. Thanks to her thema being shadows, she can assimilate the god of shadows Skade who took over her body.
• Eye Motifs: As a God's Kin, Harukage has a handfan with eye symbols.
• Eyes Always Shut: She keeps her eyes closed at all times.
• Eyes Do Not Belong There: After being turned into Aryan's minion, Harukage has eyes on her chest and shoulder.
• God in Human Form: With Arata's help, Harukage becomes a God Vessel by assimilating the God's Kin Skade with the principle of her thema.
• Hidden Buxom: Arata is pleasantly surprised to find that Harukage has a pretty big pair under her kimono.
• High-Class Fan: Her attire consists of a traditional kimono robe that makes her resemble a noblewoman from feudal Japan. To complement the high-class look, she always carries a fan.
• Hime Cut: She's the only Adjudicator dressed in a kimono. She also has full bangs, cheek-length sidelocks, and long straight hair to complement the traditional Japanese lady look.
• Parasol of Prettiness: Her pillar has a Japanese umbrella dropping flower petals. It gives her a very elegant aura when she sits under it.
• Sole Survivor: She was the last surviving human of a world that was consumed by shadows and the inhabitants became zombies. Master Biblia found her and recruited her as an Adjudicator.

Altana Magnus

Altana Magnus

The Adjudicator of Anima.

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• The Man Behind the Man: In Anastasia Holy Story, Altana is the one pulling the strings to orchestrate Pandora fusing the Demon Lord Knights with students of Biblia Academy, Anastasia awakening as a Demon Lord and the Demise dimension becoming disconnected from the rest of the multiverse in order to create a dimension untouchable to even the gods.
• Non-Linear Character: Altana is the same existence in every dimension and timeline, whether it is in the present, past or future.
• Walking Swimsuit Scene: She's dressed in nothing but a bikini.
• Winged Humanoid: She has five pairs of feathered wings on her back.

Former Members

Celes

Celestia/Celes

Introduced in the light novel Holy Maiden & Eighth Library. Celes is a mysterious, amnesiac girl who can connect to the Irritum archive that is considered a lost archive in modern times. Her true identity is Celestia, the priestess of Yggdrasil who sacrificed herself in the Great Magic War thousands of years ago.

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• Girl of My Dreams: In the main story, Arata keeps seeing her in visions and dreams.
• Heroic Sacrifice: Celestia died at the end of the Great Magic War, sacrificing her life to seal Dis Trinity's Demon Lord eucharist and the Goddess of Darkness.
• Identity Amnesia: She doesn't remember anything but her own name.
• Mark of the Supernatural: Her right eye is blue and her left eye is red, a hint of her supernatural nature and mysterious magic.
• Mystical White Hair: She's a mysterious white-haired girl with magic of an unknown archive.
• Spell My Name With An S: Her name is either "Celes" or "Ceres".
• Time-Travel Romance: The third light novel has Celes trapped in a "Groundhog Day" Loop created by her Last Crest that connects her and an island from the ancient times to the modern era where she meets Arata and Trinity Seven. Celes falls in love with Arata and her wish to meet him again in the future took the form of her reincarnations, Arin and Hijiri.

Arles Azazel (UNMARKED SPOILERS)

Arles Azazel

A genius magus from the world destroyed by Abyss Trinity. She's Abyss' wife and Lilith's mother.

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• Alliterative Name: Arles Azazel. It also applies to her maiden name Arles Asami.
• Amazingly Embarrassing Parents: Her antics can embarrass Lilith at times, like when Arles shows up only wearing a Modesty Towel in front of Lilith's friends.
• Apathetic Student: She found school lectures boring and always skipped lessons because she was so smart that she didn't feel she could learn anything of use at the academy anyway.
• Back from the Dead: She died when her world was completely destroyed by Abyss. After the first battle against the goddess of darkness, Arles resurrects herself to help Lilith prepare for the rematch.
• Beyond the Impossible: Arles says there's nothing impossible for her Layer Alchemic, including making her resistant to space-time disruption.
• Brooding Boy, Gentle Girl: She had this dynamic with Abyss. Before meeting her, he was a gloomy outcast everyone avoided because of his status as a Demon Lord candidate. Only Arles wasn't afraid of him and her sweet, lively personality made him find enjoyment in doing magic research with her.
• Child Prodigy: At seven years old, Arles was the smartest student at the magic academy and developed several magic techniques over the course of ten years.
• Childhood Friend Romance: She first met Abyss when they were children at the magic academy, where she became his Only Friend. They married after he became the Demon Lord and she restored his human consciousness, resulting in the birth of Lilith.
• Girlish Pigtails: She wears some of her hair in twintails, even as an adult. It represents her jovial personality.
• Heroic Sacrifice: Arles lets herself be absorbed by Pholus' Infinite Distortion in order to protect Lilith and buy enough time until Arata can come to help.
• Intelligence Equals Isolation: Because she was a genius, she couldn't even hold a conversation on the same level with her peers at the magic academy. The only one who could keep up with her magic research was the Demon Lord candidate and they became partners in a research to develop a magic that could defeat even the gods.
• Like Parent, Unlike Child: Arles is very cheerful and outgoing, in contrast to her daughter Lilith who is quite serious and no-nonsense.
• Lonely Together: All the magic students except Arles were afraid of Abyss for being the Demon Lord candidate and Arles was unable to relate to others who weren't as smart as her. Arles and Abyss found an equal in each other. As they worked on a magic research together for years, they became very close and fell in love.
• Meaningful Name: Arles means "promise" in Hebrew. This ties into the importance of the promise between her and her husband that resulted in the birth of their daughter, Lilith.
• Missing Mom: Her daughter Lilith never knew anything about her until Abyss Trinity speaks about his past with Arles. According to Abyss, Arles disappeared into nothingness along his original body and their world shortly after Lilith was born.
• Mysterious Parent: When Lilith finally learns about her mother, Arles is revealed to be a Heavenly Adjudicator who became a fallen angel and she left a grimoire for Lilith that would help her daughter in the battle against the Goddess of Darkness.
• Nice Girl: Arles is a very kind and friendly person.
• Only Friend: She's the only one at her magic academy who became the Demon Lord candidate's friend since everyone else was afraid of him.
• Opposites Attract: In flashbacks, Arles is energetic and cheerful while her husband is serious and aloof.
• Parent-Child Team: She teams up with her daughter in the fight with the God's Kin Pholus who is possessing Aries. She calls herself and Lilith the "Azazel mother-daughter duo".
• The Promise: When the Demon Lord candidate turned seventeen, he and Arles made a promise to find a way to overthrow the gods themselves together. A promise between maguses bears a power similar to a curse and this made it possible for Arles to restore her childhood friend's sanity after he became Abyss Trinity. Arles concluded that hers and Abyss Trinity's child would have the power that could defeat the Goddess of Darkness, so they fulfilled their promise by conceiving Lilith shortly before their world was completely destroyed.
• Reincarnation: She was a Heavenly Adjudicator who descended from the heavens and incarnated as a regular magus to research a way to defeat the evil gods that rule the multiverse system.
• Shipper on Deck: She would happily accept Arata as Lilith's husband, even if he turned into a woman.
• Together in Death: After Abyss had started the destruction of the world, Arles brought back his sanity and he gave her the chance to escape to another dimension. Arles refused and asked him to have a child with her as their child would have the power to help defeat the Goddess of Darkness. After Lilith was born and sent to another dimension safely, Arles stayed together with Abyss' original body until their world was completely destroyed.
• Wacky Parent, Serious Child: As opposed to her serious-minded and calm daughter Lilith, Arles is silly and happy-go-lucky.
• Walking Spoiler: Everything about her is a spoiler due to her importance as Lilith's mother and Abyss Trinity's wife.
• Winged Humanoid: She can use Layer Alchemic to manifest angel wings.
• Wing Shield: She can manifest wings from her back and uses them to shield herself and Lilith from Pholus' attacks. It's very noteworthy that Pholus can distort space-time and Arles' wings are shielding her from being erased from existence.

Gods

Aryan Celestial

Aryan Celestial

The Goddess of Deep Darkness that was sealed at the end of the Great Magic War. After the defeat of Dis Trinity, Aryan has started to awaken and is preparing for her revival so she can destroy all existence in the multiverse.

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• Arc Villainess: She's the villainess of the War Against Gods arc.
• Curb-Stomp Battle: In chapter 124, Aryan delivers a crushing defeat to Arata, the Trinity Seven, Dis Trinity, and the Malebranche. All in a matter of seconds. Mira, Selina and Faunalia stare in horror as they wonder what the hell just happened.
• Demonic Possession: She possesses Celes' body.
• Destroyer Deity: The complete resurrection of the Goddess of Deep Darkness means the total destruction of everything in existence, including all dimensions and spacetime, turning it all into formless chaos.
• Eldritch Abomination: She looks like a tentacle monster from the Cthulhu Mythos.
• Evil Wears Black: After the battle against the Giants of Nornil, Aryan dresses her human host in a black dress made of dark matter.
• God in Human Form: She uses the body of the Priestess of Yggdrasil, Celes, as a vessel. According to Arles, Aryan gaining a human body is the key to subjecting her as she's now bound to a human consciousness and feelings.
• Goddess Of Evil: She's the goddess of ultimate evil and darkness.
• Leaking Can of Evil: She was sealed by the first version of the Trinity Seven at the end of the Great Magic War very long ago. However, the Demon Lords exist to continue her system to destroy worlds and dimensions. After Dis Trinity is defeated and Arata replaces him as the Great Demon Lord, Aryan starts awakening and her revival will mean the destruction of all existence as we know it.
• Magical Floating Shawl: In Celes' body, she dons a black dress with a shawl that hovers over her.
• White Hair, Black Heart: Her host has white hair and she's the goddess of all evil.

The Giants of Nornil

The Giants of Nornil

"The One Who Knits Absolute Nothingness, the Desire of Death, Ulzwiad", "The One Who Builds Upon Absolute Nothingness, the Desire of Destruction, Velzand", and "The One Who Takes Absolute Nothingness, the Desire of Despair, Skald". They are the three pillars that form the forces of the Goddess of Darkness.

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• Eldritch Abomination: Like Aryan, the three look like monsters you would expect to see in the Cthulhu Mythos.
• Mind Rape: Ulzwiad's attacks are mental-based, being able to brainwash any magus below the level of the Adjudicators.
• Pre-Final Boss: The three pillars must be defeated before the decisive battle against Aryan.
• Time Master: Skald can control space-time.

Trinity Seven: Revision

Mitsunari Miyazawa

Mitsunari "Mitsui" Miyazawa

The male protagonist of the manga spin-off Revision. He is a second-year high school student who aspires to become a novelist or screenwriter. When he asks his crush Rinka to go out with him, he gets caught up in her fight with a monster, which kills him. Rinka revives him using Mythical Fusion and merges him with the grimoire "Story of Lydicalia". To protect his younger sister Tsukuyo from the same monster that killed him, Mitsunari awakens as a magus of the Invidia archive.

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• Believing Their Own Lies: After his entire family died in a fire, Mitsunari lost touch with reality and convinced himself that his sister was still alive. After he merged with Story of Lydicalia, he unconsciously created Tsukuyo to make his self-delusion into a reality.
• Big Brother Instinct: He activated his Magus Mode for the first time to protect his younger sister Tsukuyo from being devoured by a monster.
• Eyes Always Shut: He keeps his eyes closed most of the time.
• First-Episode Resurrection: At the start of his spin-off, he gets killed by a monster and Rinka fuses him with a grimoire to bring him back to life.
• Imagination-Based Superpower: His magic projects his imagination onto the world as a "story" and manifests it in a tangible form.
• Love at First Sight: He falls in love with Rinka at first sight.
• Master of Illusion: His main talent is illusion magic.
• Official Couple: With Rinka. They become a couple after he asks her out and by the end of their spin-off, they're married.
• Opposites Attract: With Rinka. He's easygoing and excitable, she's coolheaded and composed.
• Ordinary High-School Student: He was a normal high school student until he asked a magus to be his girlfriend and the monster that she was fighting killed him, which forced her to fuse him with a grimoire to save his life.
• Red Baron: After becoming the stand-in administrator of the Invidia archive, he becomes known as the Demon Dragon Lord.
• Red Oni, Blue Oni: He's the emotional Red Oni to Rinka's stoic Blue Oni.
• Sue Donym: His magus name is "Mitsui", which isn't that different from his real name, Mitsunari.

Rinka Shinonome

Rinka Shinonome

The female protagonist of the manga spin-off Revision and Mitsunari's love interest. She is a magus of the Gula archive and the Royal Biblia Academy sent her to the St. Isaah Private High School to deal with a demon. She is responsible for Mitsunari's resurrection and Mythical Fusion with the grimoire "Story of Lydicalia".

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• Action Girlfriend: Mitsunari gets killed by a monster she was fighting and she merges him with a grimoire to revive him. Afterwards, she agrees to be his girlfriend and teaches him how to bring out his potential as a magus.
• Aloof Dark-Haired Girl: She's a beautiful black-haired girl with a serious and businesslike attitude.
• New Transfer Student: She transfers into Mitsunari's class at the start of their spin-off.
• Official Couple: With Mitsunari. She's his girlfriend and by the end of their spin-off, his wife.
• Opposites Attract: With Mitsunari. She's coolheaded and composed, he's easygoing and excitable.
• Post-Modern Magik: Her grimoire looks like a smartphone.
• Powers Do the Fighting: In battle, she summons a pair of large robotic arms that move according to her will.
• Raven Hair, Ivory Skin: She's a beautiful girl with long black hair and pale skin. Mitsunari finds these features very attractive.
• Red Oni, Blue Oni: She's the stoic Blue Oni to Mitsunari's emotional Red Oni.
• Sexy Slit Dress: After becoming the wife of the "Demon Dragon Lord" Mitsui, Rinka wears a black dress with a long slit showing her right leg.
• Sugar-and-Ice Personality: She's cool and collected, but also quite nice and her affection for Mitsui is obvious.

Tsukuyo Miyazawa

Tsukuyo Miyazawa

Mitsunari's younger sister. After they lost their parents in a fire, they moved to their grandfather's house, but since their grandfather travels often, the siblings have been living alone. Mitsunari becomes a magus to protect her from a monster.

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• Artificial Human: She was created by the Story of Lydicalia grimoire to give form to the fictional sister that Mitsunari made up in his mind to cope with the death of his real family.
• Big Brother Attraction: When Mitsunari asks her for a kiss, Tsukuyo would have happily done it if Rinka haven't interrupted them.
• Damsel in Distress: She gets attacked in the bath by a monster, causing Mitsunari to activate his Magus Mode to protect her.
• Dead All Along: Mitsunari lost his real sister in the same accident where his parents died. The current Tsukuyo is an illusion created by the Story of Lydicalia because Mitsunari could never accept the fact that his sister was dead.
• Little Sister Heroine: She's cute and a little too attached to her older brother. It's also Played for Laughs when Mitsunari tells Tsukuyo to give him a kiss and Rinka asks him if he plans to cheat on her.
• Oddly Visible Eyebrows: Her long bangs cover her right eye, but her eye is still visible underneath.
• Tulpa: She was originally an illusion that Mitsunari created to cope with the death of his family. When he became fused with the Story of Lydicalia, the grimoire gave Tsukuyo a physical form to grant Mitsunari's wish.

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