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Arnold Academy
Ray White
Voiced by: Jun'ya Enoki, Rie Kugimiya [child/"Lily White"] (Japanese), Kevin D. Thelwell, Kristen McGuire [child/"Lily White"] (English)
The titular Iceblade Sorcerer. Originally a child soldier raised by the few known members of the Seven Grand Sorcerers. After the end of the Far East War, he decides to enroll in Arnold Academy while hiding his identity, power and background. Despite most noble students looking down on him, he manages to find good friends.
- Absurdly Sharp Blade: He can literally cut through magic with a sword.
- Accidental Pervert: He sees Amelia and Rebecca in their underwear when he walks into them as they're changing clothes.
- Anti-Magic: By using the Antimaterial Code, he can effectively cancel all spells by reverting them back to Prima Materia.
- Attractive Bent-Gender: He looks incredibly cute when disguised as a girl. Many girls swoon at "Lily White"'s beauty.
- Broken Ace: He's good at everything, except magic unless he releases his Power Limiter, but he's still troubled by his past as a Child Soldier and guilt over killing people in the war.
- Brought Down to Badass: Ray is incapable of using sorcery unless he releases Lydia's Chronos Lock, but thanks to his military training and swordsmanship, there's not many people who can beat him even when he can't cast spells.
- Caring Gardener: He joins the gardening club because he admires flowers.
- The Charmer: He knows how to be a gentleman to women and easily makes them blush with his flattery.
- Chaste Hero: He doesn't seem to realize the romantic implications in his interactions with his female friends and doesn't get even a little flustered when he sees them in their underwear.
- Child Soldier: He willingly joined the military unit that raised him and fought in the Far East War when he was still a young child.
- Chuunibyou: When he gets into Drill Sergeant Nasty mode, he wears a Cool Mask and demands to be called "Master White".
- Clark Kent Outfit: His clothes make him look thin and hide his muscular physique.
- Disguised in Drag: Ray disguises himself as a girl to infiltrate Diom Academy and meet Ariane.
- Drill Sergeant Nasty: When preparing Amelia for the Sorcery Swordsman Tournament, Ray calls her "Recruit" and puts her through a torturous training every day as he yells insults, leaving her exhausted and wanting to run away from him.
- Elemental Hair Colors: As the Iceblade Sorcerer, his hair color becomes a snowy white.
- Elemental Weapon: He can create swords made of ice when using the power of the Iceblade Sorcerer.
- Experienced Protagonist: By the start of the series, Ray has fought as a soldier in the Far East War and inherited the title of Iceblade Sorcerer from his teacher.
- Eye Colour Change: When using the power of the Iceblade Sorcerer, his black eyes become blue.
- Fights Like a Normal: Because of the Chronos Lock, he can only apply magic through his Inner Code and can't cast spells most of the time. He still can fight perfectly with a sword.
- Gender-Concealing Voice: When disguised as a girl, Ray uses magic to alter his vocal cords and make his voice sound exactly like a girl's instead of a guy speaking in a falsetto voice.
- Happily Adopted: He was adopted and raised by the soldiers who found him as a child. Ray considered the entire military unit to be his family.
- Heroes Prefer Swords: To show his role as The Hero, he wields swords as his main weapon in battle.
- Hour of Power: He only uses the power of the Iceblade Sorcerer for emergencies because he can't remove the Chronos Lock for long without being at risk of Overheating and freezing himself.
- An Ice Person: As the Iceblade Sorcerer, he can create massive spikes of ice as well as ice swords.
- Icy Blue Eyes: He gains piercing blue eyes as well as ice magic when he's the Iceblade Sorcerer.
- Ignore the Fanservice: He's completely unfazed as he nonchalantly apologizes for accidentally seeing Amelia and Rebecca in their underwear.
- Inept Mage: Subverted. He seems to be bad at sorcery, but that's because the Chronos Lock spell limits his ability to use magic. He's actually one of the Seven Grand Sorcerers.
- In-Series Nickname: Some of his classmates nivkname him "Withered Wizard" because they think he's a talentless and incompetent mage. Ray isn't bothered by it, though.
- Invincible Hero: Ray is the most powerful sorcerer in the world. There is no enemy that can defeat him.
- Jerkass to One: Ray is usually a very polite Nice Guy, except to Carol who he openly detests due to the trauma of her almost assaulting him in bed once. To his dismay, she becomes his homeroom teacher.
- Legacy Character: He inherited the title and power of the Iceblade Sorcerer from his teacher, Lydia Ainsworth.
- Military Brat: He was a war orphan who was taken in and adopted by soldiers, having been primarily raised by the previous Iceblade Sorcerer, Lydia Ainsworth.
- Nice Guy: He's very polite, kind and friendly.
- Oblivious to Love: He's very clueless to his female friends' romantic attraction to him, especially in the cases of Amelia and Rebecca.
- The One Guy: He's the only male member of the gardening club.
- Penny Among Diamonds: He's the only commoner in Arnold Academy, which causes most of the noble students to look down on him.
- Phosphor-Essence: When he's fighting as the Iceblade Sorcerer, his body glows while releasing ice particles.
- Power Dyes Your Hair: His black hair turns white when he unleashes his true power as the Iceblade Sorcerer.
- Power Limiter: Lydia placed the Chronos Lock on Ray to seal most of his magic power and keep him from overheating.
- Real Men Wear Pink: He joins the Environmental Research Club, consisting of tough and muscular men, and the Gardening Club, which only has girls as members. Ray enjoys the activities of both clubs and fits right in with the members of both.
- Shell-Shocked Veteran: He feels guilty for the lives he took when fighting in the Far East War, wondering if a murderer like him has the right to have a happy school life with his new friends.
- Snub by Omission: Whenever he meets the former members of his military unit, Ray omits acknowledging Carol's presence because he detests her.
- Stock Light-Novel Hero: Ray is the only commoner in a Wizarding School for noblemen, but he's actually the successor of the Iceblade Sorcerer, one of the most powerful mages in the world, and his true power is so dangerous that he must have a Power Limiter in place because the last time his magic went out of control, he annihilated an entire battlefield. He's also pretty good at wooing women.
- Super-Power Meltdown: During his last battle he suffered an Overheat, a loss of control of the Engram in his brain. The resulting ice explosion killed enough soldiers to end the Far East War.
- Technical Pacifist: He always opts to seal dangerous foes in his Harmless Freezing Crystal Prison alive rather than killing them.
- These Hands Have Killed: In his eyes, his hands are still tainted with the blood of all the soldiers he killed in the Far East War.
- Thou Shalt Not Kill: Due to the guilt for all the people he killed in the Far East War, Ray is extremely reluctant to kill.
Amelia Rose
Voiced by: Iori Saeki (Japanese), Alexis Tipton (English)
The daughter of the Rose family, one of the three big noble families.
- Ambiguously Bi: Her attraction to Ray is obvious and she's very fond of Elisa's cuteness too. In Episode 6, she has an Awkwardly Gay Dream with a half-naked Elisa and Claris in a Playboy Bunny outfit.
- Class Princess: Despite being a high-ranking noble, Amelia doesn't like classist behavior and is kind to all of her classmates, including Ray who is the only commoner in the school. She's greatly admired by her classmates because of her lineage, beauty, talent and kindness.
- Class Representative: As the class representative, she's one of the smartest of the class and her classmates look up to her.
- Clingy Jealous Girl: Amelia really doesn't like it when Ray gets too friendly with other girls.
- Curtains Match the Window: She has red eyes to match her red hair.
- Elemental Hair Colors: She's a redhead who uses fire magic.
- Friendly Rivalry: With Rebecca. They're competing for Ray's affection, but are friendly to each other.
- Indifferent Beauty: Amelia is very popular with her classmates because of her beauty and high-ranking noble status, but she doesn't care about what they think of her because they're only valuing her based on her looks and lineage.
- Fiery Redhead: Her red hair shows her headstrong and passionate nature.
- Flower Motifs: Her family name is Rose and she wears rose hair ornaments.
- Girlish Pigtails: She's a headstrong and youthful girl with some of her hair tied into pigtails.
- Girls Love Stuffed Animals: She keeps a bunny plushie in her bedroom.
- Having a Blast: After her training with Ray, Amelia develops a spell that allows her to create butterflies that turn into small explosions.
- Leg Focus: In a bonus story from the manga, Ray compliments Amelia's beautiful legs.
- Nice Girl: She's polite and friendly to everyone regardless of their social class.
- Nigh-Invulnerability: The Butterfly Effect spell makes Amelia effectively untouchable in battle, as she's altering causality to make it so that any attack aimed at her will get redirected and miss.
- Ojou: She belongs to one of the most powerful noble families and most of her classmates regard her like a princess.
- Playing with Fire: She can use fire spells for offense.
- Red Eyes, Take Warning: Her eyes turn a glowing red when she uses her Butterfly Effect spell to make herself Nigh-Invulnerable.
- Regal Ringlets: As a child, her hair had ringlets to show her status as a sheltered Ojou. Her childhood friend Ariane exchanged hairstyles with her after becoming teenagers.
- Psychic Nosebleed: Activating the Butterfly Effect spell is taxing for the engram in Amelia's brain, resulting in blood oozing from her nose.
- Sore Loser: She was so mad about losing a match to Ariane that she broke off their friendship.
- Stock Light-Novel Calamity Princess: Amelia is a very talented sorcerer with red hair in the half-up-half-down style. She's the heiress of the most influential of the three big noble families, but doesn't like to be treated as special because of her lineage and wants her efforts to be recognized. Thanks to her determination, she develops a magic that can control causality, making her almost invincible. She's also one of the protagonist's potential love interests.
- Winds of Destiny, Change!: Her most powerful spell takes its source from the Butterfly Effect, allowing Amelia to manipulate causality itself by changing a certain outcome with another probability.
Elisa Griffith
Voiced by: Nana Harumura (Japanese), Emi Lo (English)
A shy, half-elf student.
- Blow You Away: She can cast wind spells.
- Cute Bookworm: She spends her free time in the library where she reads books by Ainsworth, an early researcher of Engram and Elisa's idol.
- The Cutie: Elisa is an adorably shy and sweet Cute Bookworm. All of her friends adore her for how cute she is.
- Freakiness Shame: She's initially ashamed of her elf ears and light blue hair, having been teased because of them in the past. Ray is the first person who ever complimented her ears and hair, calling her cute.
- Friendless Background: Because of being a half-elf, she couldn't make friends until she met Ray, Amelia and Evi.
- Half-Human Hybrid: Her father is human and her mother is an elf.
- Hide Your Otherness: At first, she wears a hood over her head to hide her elf ears.
- Pointy Ears: Her pointy ears are proof of her elf heritage.
- Shrinking Violet: She's quite timid because of her half-breed status, but learns to loosen up around her friends.
- Shy Blue-Haired Girl: She's a shy girl with light blue hair.
Rebecca Bradley
Voiced by: Azumi Waki (Japanese), Macy Anne Johnson (English)
A third-year student who serves as the student council president of Arnold Academy.
- Arranged Marriage: A good part of the drama in the third arc comes from Rebecca's father arranging her to get married to Evan Berstein.
- Caring Gardener: She's the head of the gardening club, fitting her gentle personality.
- Damsel in Distress: In the third arc, Rebecca is targetted by Evan Berstein because of her being the Kreuz. After she's kidnapped, Ray and his friends go to rescue her before her sorcerer's eyes cause an Overheat.
- Eye Color Change: Her purple eyes turn yellow when her sorcerer's eyes are activated.
- Friendly Rivalry: With Amelia. They're competing for Ray's affection, but are friendly to each other.
- Goofy Print Underwear: Ray catches her wearing bunny panties.
- Lonely Rich Kid: She feels alienated from her peers because most are intimidated by her high-ranking noble status and avoid her as a result. She appreciates Ray is the first person to treat her as a friend.
- MacGuffin Super-Person: Evan Berstein seeks Rebecca's power as the Kreuz to open the gate to Akasha.
- Magical Eye: Her sorcerer's eyes are directly connected to her power as the Bradley family's Kreuz.
- Nice Girl: She's very gentle and polite to everyone.
- Ojou: She's the daughter of the Bradley family, one of the three big noble families.
- Power Limiter: Ray places a Chronos Lock on Rebecca to seal the power of her sorcerer's eyes and prevent that these keep reducing her lifespan.
- Proper Tights with a Skirt: She's an elegant and graceful Ojou who wears black tights with her school uniform.
- Sibling Yin-Yang: With Maria. Rebecca is a well-mannered popular girl and Maria is a rebellious outcast.
- Student Council President: She's in charge of the student council.
- Tears of Blood: Her eyes are constantly bleeding due to the ill effects of her Magical Eye.
- Your Days Are Numbered: Unless she gains control of her Magical Eye, Rebecca will die before she turns 20 years old. Ray solves the problem by placing a Chronos Lock on her.
Claris Cleveland
Voiced by: Kaede Hondo (Japanese), Sarah Wiedenheft (English)
A twintailed, bug-loving student.
- A-Cup Angst: Evi makes fun of her flat chest when she shows off her swimsuit, much to her annoyance.
- Adaptational Early Appearance: In the original novel and manga, Claris is introduced until after the first story arc is over. The anime introduces her in the first episode and adds her in events she wasn't originally part of.
- Alliterative Name: Claris Cleveland
- Damsel in Distress: She's one of the students kidnapped during the Sword-Sorcerer Tournament. Ray personally goes to rescue her.
- Expressive Hair: Her twintails move to reflect her emotional state.
- Friendless Background: Because of her love for bugs, most people think she's weird and she couldn't make friends until Ray offered to become her First Friend.
- Friend to Bugs: She loves bugs because she thinks they're cute.
- Girlish Pigtails: She ties her hair into twintails because she thinks they're cute, which she and Ray agree on. Her hairstyle also highlights her Tsundere traits.
- Hair of Gold, Heart of Gold: She's a good-hearted and kind girl with blonde girl.
- Head Pet: In the manga, Claris has a pet bettle that's almost always on top of her head.
- Plucky Comic Relief: Compared to Ray's other friends, Claris' personality is rather comical and is mainly around to provide some gags.
- Tsundere: A very mild example. She initially acts boastful and gruff to towards Ray, but she becomes very friendly and nice once he quickly gains her friendship.
Evi Armstrong
Voiced by: Yuichiro Umehara (Japanese), Clifford Chapin (English)
Ray's roommate and fellow member of the Environmental Research Club whose members are muscle-bound fitness enthusiasts who seek dangerous environments to train in.
- Fights Like a Normal: He can use sorcery like everyone else at the academy, but prefers to only use his Inner Code to enhance his body's strength and fight barehanded instead of casting spells.
- Fitness Nut: He spends most of his time working out and drinking protein.
- Heterosexual Life-Partners: He considers himself Ray's "soul buddy".
- Hunk: He's handsome and well-built.
Albert Allium
Voiced by: Kōhei Amasaki (Japanese), Christopher Wehkamp (English)
A particularly classist student who initially resents Ray for being an "ordinary" and more talented than him, but they eventually get on good terms.
- Adaptational Badass: Only in the manga, Albert manages to beat Amelia and make it through the qualifiers for the upcoming tournament in first place.
- Alliterative Name: Albert Allium
- Break the Haughty: He gets thoroughly defeated by Ray and manipulated by Miss Gray. Afterwards, he finally swallows his pride and apologizes to Ray for how badly he treated him.
- Bully Turned Buddy: At first, he behaves like a petty bully towards Ray because he can't accept an "ordinary" being superior to him in skill. After he learns of Ray being the Iceblade Sorcerer, his attitude significantly improves and gets on friendly terms with Ray.
- Driven by Envy: Driven mad by his jealousy towards Ray and Miss Gray's manipulation, Albert challenges Ray to a duel with the full intent of killing him. After Ray defeats him and Miss Gray, Albert gets over his jealousy and makes peace with Ray.
- Expository Hairstyle Change: After he reforms, he stops pulling back his hair and changes his hairstyle for a messier one with a shaved back.
- Freudian Excuse: His family is low-ranking compared to other nobles and this brought hardship for his father. Albert became obsessed with proving himself as superior so no one would look down on him, leading to his initial hatred for Ray who surpasses him in skill despite not even being a noble.
- Inferiority Superiority Complex: At first, his Jerkass behavior originates from his wish to prove his worth as a noble and not let anyone look down on him because of his family's lower rank. An "ordinary" being more talented than him causes him to flip out.
- Perpetual Frowner: At first, he has an angry frown on his face all the time. He starts smiling more after he reforms.
- Playing with Fire: He uses offensive fire spells.
- Reformed Bully: He's introduced as an angry Jerkass who antagonizes Ray because of his classist view on commoners. After he loses to Ray in battle a second time, Albert is amazed that Ray is still willing to forgive him and decides to become a better person by abandoning his classist beliefs and accepting Ray's friendship.
- Shaping Your Attacks: His Febris Draco spell makes his fire take the shape of a dragon.
- Took a Level in Kindness: Thanks to his Break the Haughty ordeal and Ray immediately accepting his apology, Albert stops being a classist jerk. From then on, he's quite civil towards Ray and others.
- Ungrateful Bastard: Ray saves Albert's team from a giant monster at the Kafka Forest, but Albert just becomes even more bitter and claims he could have defeated the monster without Ray's help. He grows out of this sort of behavior after his Break the Haughty ordeal and learns to be thankful for Ray's forgiveness towards him.
- Unwitting Pawn: Miss Gray uses Albert's resentment towards Ray, pushing him into fighting Ray so she can trap Ray and his friends inside a barrier while Ray is focused on Albert.
Dina Sera
Voiced by: Konomi Fujimura (Japanese), Marisa Duran (English)
Rebecca's fellow third-year student and member of the gardening club.
- Number Two: She's the vice-president of the gardening club and acts as Rebecca's right-hand woman.
- Reasonable Authority Figure: She objects to Ray joining the gardening club, but accepts Rebecca's suggestion to let Ray prove his skill for gardening first. Ray then turns a field of weeds into a new flower garden and Dina approves of him joining the club.
- Satellite Character: She's rarely seen without Rebecca and doesn't have real relevance besides helping Rebecca manage the gardening club.
- Stoic Spectacles: She wears glasses and is very aloof towards Ray in particular.
- Tsundere: She does acknowledge and respect Ray as a person and fellow club member, but won't ever admit it in front of him and acts gruff around him.
Rex Hale
Voiced by: Nobuyuki Hiyama (Japanese), William Ofoegbu (English)
The president of the Environmental Research Club. He's also the head of Student Security.
- Big Little Brother: He's much bigger than his older sister Carla.
- Hunk: He's a tall and handsome guy with a muscular physique.
- Spell My Name With An S: His name is translated as Rex Hale or Lex Hail.
Seven Grand Sorcerers
Lydia Ainsworth
Voiced by: Atsumi Tanezaki (Japanese), Monet Lerner (English)
The previous Iceblade Sorcerer and Ray's mentor.
- BFS: She can summon a gigantic ice sword to drop it into the battlefield.
- Career-Ending Injury: Lydia had to retire as a soldier and mage after the incident with Ray's Overheat put her in a wheelchair.
- Elemental Weapon: As the former Iceblade Sorcerer, she can create ice blades.
- Hair of Gold, Heart of Gold: She's a benevolent and caring woman with blonde hair.
- Handicapped Badass: Despite being wheelchair-bound, she's the previous Iceblade Sorcerer and can still kick serious ass when she decides to join a battle.
- Parental Substitute: She was the main responsible for Ray's upbringing in the military, having practically raised him as her own son.
- Retired Badass: She retired from the army after the end of the Far East War.
- Squishy Wizard: She's unable to move freely because of her wheelchair-bound condition. However, she can still create thousands of ice blades if she ever needs to fight.
Abby Garnet
Voiced by: Nanako Mori (Japanese), Natalie Van Sistine (English)
The Blaze Sorcerer. After retiring from the military, she became the principal of Arnold Academy.
- Dual Wielding: In battle, she dual-wields a pair of Whip Swords.
- Elemental Hair Colors: She's the Blaze Sorcerer and has orange hair to match her element.
- Mundane Utility: She can use fire magic to boil her tea.
- Playing with Fire: As the Blaze Sorcerer, she specializes in fire magic.
- Retired Badass: After the end of the Far East War, she retired from the army to become the principal of Arnold Academy.
- Secret-Keeper: She's initially the only one in Arnold Academy who knows about Ray's true identity and past.
- Shaping Your Attacks: One of her spells creates an Orochi made of flames.
- Significant Green-Eyed Redhead: She has orange hair and green eyes, highlighting her importance as the school principal and one of the Seven Grand Sorcerers.
Carol Caroline
Voiced by: Maaya Uchida (Japanese), Molly Searcy (English)
The Spellbinding Sorcerer. She becomes the new homeroom teacher of the main cast's class.
- Abhorrent Admirer: Ray does not like being at the receiving end of Carol's sexual advances.
- Badass Longcoat: She's one of the most powerful sorcerers in the world and wears a black longcoat.
- Bare Midriffs Are Feminine: Carol is the girly girl of Ray's former military unit and as a teacher, she wears a skimpy outfit with a gap that reveals her belly.
- Charm Person: Her power as the Spellbinding Sorcerer is to deprive others of their free will and force them to obey her commands.
- Cool Big Sis: Back in the military, she acted as an affectionate and loving big sister figure to Ray who she adores as an adopted little brother.
- Curtains Match the Window: She has pink hair to go with her pink eyes.
- Exotic Eye Designs: Her pupils are blue and heart-shaped.
- The Friend Nobody Likes: Her old comrades from the military find her irritating because of her immature behavior and none of them are fond of her. Ray in particular hates her guts for her habit of sexually harassing him.
- Gender Bender: In the manga, she makes herself look like a man with magic, only revealing her true appearance around Ray and his friends.
- Girlish Pigtails: In flashbacks, she had pigtails in her younger days as a soldier and was way more childish than Ray who was the youngest of their unit.
- Hot Teacher: She's so hot and skimpily dressed that except for Ray, her male students are stunned by the sight of her.
- In-Series Nickname: "Dumb Pink", from Lydia.
- Lascivious Beauty Mark: She has a beauty mark under her left eye, which emphasizes her sex appeal as a Hot Teacher as well as her flirtatious and physically affectionate behavior towards Ray who doesn't appreciate her attention because he finds her too dangerous in the sexual sense.
- Male Gaze: When she's introduced as a teacher, her breasts are the first thing the camera focuses on.
- Ms. Fanservice: She's a buxom woman whose clothes reveal her cleavage, midriff and thighs.
- The Nudifier: In the Beach Episode, she gets drunk and casts a spell that leaves everyone present naked.
- Pretty in Mink: She's an attractive and glamorous woman wearing a fur-trimmed coat.
- Repetitive Name: Carol Caroline
- Rose-Haired Sweetie: She's a cheerful and playful Sensei-chan with pink hair.
- Sensei-chan: She's attractive, jovial and happy-go-lucky, asking her students to call her silly nicknames like "Caro" or "Carocaro".
- Stocking Filler: She wears fishnet stockings with suspenders.
- Third-Person Person: She likes to refer to herself as "Carocaro", emphasizing her childish personality.
Lucas Frost
Voiced by: Soichiro Hoshi (Japanese), Paul Cline (English)
The Peerless Blade Sorcerer. He's a student at Mercross Academy of Magical Arts.
- Curb-Stomp Battle: In his tournament match against Rebecca, Lucas immediately defeats her before she even realizes how that happened.
- Long-Haired Pretty Boy: He's an attractive young man with very long, flowing black hair.
- Master Swordsman: As his sorcerer title indicates, he's probably the best swordsman in the world.
Liselotte Eden
Voiced by: Haruka Shiraishi (Japanese)
The Sorcerer of Fabrication. She's introduced posing as Evan Berstein, Rebecca's fiancé, after having assumed his identity for years.
- Curb-Stomp Battle: Evan Berstein challenges to a fight, only to get utterly defeated in less than a minute.
- In-Series Nickname: She's called "Lise" for short.
- Mystical White Hair: She's an extremely powerful sorcerer with very long white hair.
- Rei Ayanami Expy: She's a mysterious and unemotional female sorcerer with white hair, pale skin, and yellow eyes.
- Space Master: She can manipulate the space around herself and freely teleport. She can also create spatial barriers and trap her targets inside a Pocket Dimension.
- The Stoic: Her facial expression stays calm and distant no matter the situation.
- Supernatural Gold Eyes: Her yellow eyes are a sign of her highly powerful sorcery.
Three Noble Families
Rose Family
Claude Rose
Voiced by: Eiji Miyashita (Japanese)
The father of Amelia.
- Big Ol' Eyebrows: His eyebrows are notably thick and vaguely resemble flames.
- Friendly Rivalry: With Folkhard. They belong to rival clans, but are on fairly good terms with each other.
- Honorary Uncle: Tiana, Folkhard's younger daughter, calls him "Uncle Claude".
Olgren Family
Ariane Olgren
Voiced by: Akira Sekine (Japanese), Marianne Bray (English)
The top student of Diom Academy and Amelia's childhood friend.
- Bare-Handed Blade Block: She not only blocks, but also breaks Albert's sword with her bare hands.
- Childhood Friends: Ariane became close friends with Amelia when they were children.
- First Friend: Most people kept distance from Amelia due to her high-ranking status, except Ariane who is close to her in rank and often played with her in their childhood.
- Flowers of Femininity: She wears a flower hair decoration on both sides of her hair, befitting her ladylike image.
- Friendly Rivalry: Subverted. Ariane wanted to stay friends with Amelia despite their rivalry as fellow heiresses of the three big noble families, but Amelia's inferiority complex towards Ariane proved to be too much and she came to only see Ariane as a rival she has to defeat. After Amelia does defeat Ariane, they go back to being friends again.
- Girlish Pigtails: Flashbacks to her childhood show her with some of her hair tied into pigtails. Amelia adopted this hairstyle when they became teenagers, while Ariane changed her hairstyle to Regal Ringlets like those Amelia had as a child.
- Girly Bruiser: She's a very feminine Ojou who packs very powerful punches.
- Graceful Loser: She congratulates Amelia for finally managing to defeat her at the end of the tournament, being very glad that her rival became so strong and they can reconcile their friendship.
- Lightning Bruiser: Her fighting style consists of using her original spell "Ogre" to highly enhance her physical strength and speed. As a result, her punches become devastating and she can move so fast that she can't be seen by the normal eye.
- Mystical White Hair: She's an exceptionally powerful sorcerer with white hair.
- Ojou: She's the daughter of the Olgren family, one of the three big noble families.
- Phosphor-Essence: Her spell "Ogre" causes her body to gain a blue glow.
- Regal Ringlets: The tips of her hair curl into ringlets, indicating her status as a member of the three big noble families.
- The Rival: To Amelia, who considers Ariane as her biggest rival who she must overcome to prove her own strength.
- We Used to Be Friends: Even though they were very close as children, Ariane and Amelia grew apart as teenagers when Amelia became jealous of Ariane being stronger than her. However, Ariane is still fond of Amelia. They become friends again after their tournament match.
Tiana Olgren
Voiced by: Yukari Anzai (Japanese), Corinne Sudberg (English)
The younger sister of Ariane.
- The Cutie: She's a very sweet and adorable little girl.
- Shoulder Teammate: Folkhard sometimes walks with Tiana sitting on his shoulder.
- Strong Family Resemblance: She looks just like her older sister, just smaller.
Folkhard Olgren
Voiced by: Tetsu Inada (Japanese)
The father of Ariane and Tiana.
- Friendly Rivalry: With Claude. They belong to rival clans, but are on fairly good terms with each other.
- Gentle Giant: He's a very big and imposing man, but is very friendly and a caring father.
- Good Parents: He has a good and close relationship with his two daughters.
- Huge Guy, Tiny Girl: His younger daughter Tiana looks minuscule compared to him. He's often seen carrying her around in his arms or shoulders.
- Spell My Name With An S: His name can be translated as Folkhard or Volkhard.
Bradley Family
Maria Bradley
Voiced by: Shiki Aoki (Japanese), Kristi Rothrock (English)
The younger sister of Rebecca.
- Albinos Are Freaks: She was ostracized because of her albinism throughout her life.
- Freakiness Shame: Maria hates being an albino because most people said she looks weird. Rebecca and Ray are the only ones to have told her that her white hair and red eyes are pretty.
- Freaky Fashion, Mild Mind: She wears a flamboyant dress and ear piercings as a way to rebel against the society that alienated her for being an albino. Personality-wise, she's nowhere near as eccentric as her appearance implies.
- Hiding Behind Your Bangs: Her bangs cover her right eye, reflecting her status as an outcasted teen rebel.
- Love at First Sight: She instantly becomes smitten with "Lily White", Ray's female persona.
- Loves My Alter Ego: Maria has a crush on Ray's crossdressing persona "Lily White", unaware that they're the same person.
- Mystical White Hair: According to her father, Maria was born an albino due to an after-effect of Rebecca being the Kreuz.
- Sibling Yin-Yang: With Rebecca. Maria is a rebellious outcast and Rebecca is a well-mannered popular girl.
- Successful Sibling Syndrome: As she grew up, Maria felt constantly overshadowed by her pretty, popular, and academically accomplished sister.
Bruno Bradley
Voiced by: Shinobu Matsumoto (Japanese)
The father of Rebecca and Maria.
- Mr. Exposition: He explains Rebecca's status as the Kreuz and the danger it presents to her life.
Eugenics
Helena Gray
Voiced by: Yo Taichi (Japanese), Morgan Berry (English)
The original homeroom teacher of Ray's class. She's actually a member of Eugenics, fanatics seeking power by cutting into the brains of sorcerers to steal their magic, and is behind the disappearance of several students.
- Apathetic Teacher: In the manga, she lazes around when she should be teaching her students and lets her top student Amelia give classes in her place.
- Asleep in Class: In the manga, even though she's the teacher, she makes Amelia teach the class while she takes a nap in a sleeping bag.
- Bitch in Sheep's Clothing: She makes herself look like a nice teacher, but is actually more than happy to kill her own students for her own magic research.
- Eerie Pale-Skinned Brunette: Her dark blue hair and pale skin add to her sinister character.
- Inhuman Eye Concealers: She keeps her long bangs over her right eye to hide the symbol on her pupil.
- Gender-Concealing Voice: Until she reveals her true colors, she conceals her identity by wearing a Black Cloak and altering her voice to sound like a man.
- Hiding Behind Your Bangs: Her hair covers the right side of her face, signaling her as deceitful and two-faced.
- The Mole: She passes herself as a teacher at Arnold Academy, but she's really working for the Eugenics to kidnap and kill students for their brains.
- One-Winged Angel: After Ray drives her into a corner, she inserts a Eugenics scientific tool into her own brain and turns herself into a monster.
- Playing with Fire: She uses offensive fire spells in her fight with Ray.
- Starter Villain: She's the villain of Volume 1 where she forces Ray to reveal himself as the Iceblade Sorcerer and fight at his full potential for the first time since the Far East War.
- Underestimating Badassery: She tremendously underestimates Ray as she seriously thinks she has the chance to beat him even after he reveals himself to be the Iceblade Sorcerer.
- Villains Want Mercy: When Ray releases his Chronos Lock, Gray shamelessly begs Ray to spare her and offers him to join Eugenics. Thinking she has made him lower his guard, she tries to burn him alive, but she can't even leave a scratch on him.
- Voice of the Legion: In her monster form, she gains an echo effect to her voice.
- Wolverine Claws: Her monster form has long and sharp claws that she uses as a weapon.
Evan Berstein
Voiced by: Atsushi Abe (Japanese), Branden Loera (English)
A collector of sorcerer's eyes involved with the Eugenics.
- Big Bad Wannabe: After being set up as the Arc Villain, he's almost instantly curb-stomped by Liselotte Eden.
- Green-Eyed Monster: He went mad with jealousy of Liselotte, as she highly surpassed him in sorcery.
- Malevolent Masked Man: He usually wears what looks like a gas mask, just to make clear that he's an evil villain.
Paratrogo
Voiced by: Seirou Ogino (Japanese), Chris Guerrero (English)
A sorcerer who eats the engrams of other sorcerers. He works as Evan's partner.
- The Brute: He's a very large and muscular evil sorcerer that uses brute force in battle.
- More Teeth than the Osmond Family: He has a large mouth full of fangs.
Others
Carla Hale
Voiced by: Haruka Michii (Japanese), Kelsey Poppen (English)
Lydia's maid and caretaker. She's also Rex's older sister.
- The Caretaker: She's in charge of looking after Lydia's well-being, due to the latter being wheelchair-bound.
- Meido: She serves as Lydia's personal maid and dresses the part.
- Ninja Maid: Besides being a maid, she's a capable fighter.
- Satellite Character: Her character is entirely associated with Lydia and is never seen without her.
