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This page lists the characters affiliated with Hijirigasaka Academy of The Testament of Sister New Devil To head back to the main character index, go here.

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    Mamoru Sakazaki 

Mamoru Sakazaki

https://static.tvtropes.org/pmwiki/pub/images/mamoru01.jpg

Voiced by: Kenjiro Tsuda (Japanese), Harvey Manfrenjensen (English)

Basara's homeroom teacher, and the first teacher he meets upon transferring in.


  • Adults Are Useless: Initially averted when he talks down Donoue's gang for going after Basara in a fit of jealousy regarding Yuki and Mio, in volume 1, but played straight in volume 4. Not only does he see Donoue prepare to strike Rikka and do nothing about it, but when Basara interferes to restrain Donoue, and Donoue draws a box-cutter, intending to use it, Chisato and Nanao have to deal with it, and then Sakazaki tells him to be cautious around Chisato.
  • Asshole Victim: He and Ornis truly deserved a brutal death. He abused his authority as a teacher to sexually extort and rape students Ornis used students as People Puppets to attack Basara.
  • Bodyguard Crush: Completely one sided. Being tasked by Heaven to be Chisato's subordinate and protector, he developed twisted and unrequited feelings for Chisato. She turned a blind eye to it until he decided to go after Basara.
  • Character Death: He gets disintegrated by Chisato.
  • Cool Teacher: At first, he seems like a teacher beloved by students and faculty alike.
  • Crazy Jealous Guy: He just can't take it when his target of affection says "no."
  • Dead All Along: It turns out that he was killed by Ornis and impersonated him until he gets exposed by Basara and Chisato.
  • Didn't See That Coming: Basara getting up and slamming him through several walls, after his arm was cut off, took him by surprise.
  • Dirty Coward: When Basara proves able to deliver a decent fight, he uses Kurumi as a hostage.
  • For Your Own Good: He tries to claim that killing Basara is in Chisato's long term best interests. Chisato strongly disagrees.
  • Hoist by His Own Petard: Sakazaki manages to combine this with Saying Too Much. Him accusing Chisato of being suspicious is what tips off Basara.
  • Humans Are Insects: He views humans as "eternal slaves of the gods" and of no significance.
  • Kick the Son of a Bitch: Killing the real Sakazaki is usually an unforgivable act, but the guy had it coming, considering the fact that he at least tried to rape a female student. Chisato turned a blind eye to the killing as a result and no one misses him when Chisato finally blows him up to protect Basara.
  • Kneel Before Zod: After revealing his true form, he demands Basara kneel before him, Basara wisely refuses.
  • Light Is Not Good: He is a "god" from heaven and attacks with light, but he's utterly monstrous.
  • Manipulative Bastard: He fights by hiding behind people.
  • People Puppets: He can control people and channel magic attacks through them.
  • Terrifying Rescuer: In Burst, he explodes the real Sakazaki as the man was preparing to rape Rikka.
  • Too Dumb to Live: It's not very wise to accuse Chisato of being suspicious or use students as People Puppets.
  • Yandere: He was fixated on "protecting Chisato's beauty" to such an unhealthy level that he was perfectly willing to endanger the school, and then try to kill Chisato herself for being insulted at the idea, and protecting Basara.
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    Chisato Hasegawa 

Chisato Hasegawa

https://static.tvtropes.org/pmwiki/pub/images/chisato01.jpg

Voiced by: Yuu Asakawa (Japanese), Wendee Lee (English)

The extremely beautiful school nurse, Hasegawa had kept a distant eye and a friendly ear for Basara. Her advice to him, even when he purposefully kept her in the dark about his dealing with demons and the heroes, was always spot-on. Later on, it becomes apparent that she has much more than a passing interest in the young Basara.


  • Barehanded Blade Block: In volume 4, she blocks Brynhildr one handed, by catching, and crushing, the blade before it even reaches her palm.
  • Beauty Mark: Hers is just below her left eye, to accentuate the look of an older woman.
  • Charm Person: How she keeps the peace around the school. It's also how she keeps most of the normal people from finding out about the non-humans that are there.
  • Clingy Jealous Girl: While she's well aware that Basara is not ever going to be in a monogamous relationship with her, there are two lines she can't cross concerning his affection to other women. 1.) She can't bear it on school grounds because her role as a teacher forbids it. 2.) She can't stomach actually seeing it in front of her because it makes her so jealous that it causes physical pain.
  • Christmas Cake: In episode 5, she joins Basara and Takigawa as the two are eating at a restaurant. She's annoyed by all the men who keep inviting her to eat with them while she was by herself, then wonders if a woman eating alone is somehow a bad thing.
  • Cool Big Sis: How Basara sees her.
  • The Exile: She was cast out of Heaven for siding with her cousins. As a parting gift, she can unseal her full powers when protecting Basara, and only then.
  • Extreme Libido: Even in her fallen state, Chisato still wields immense power and her libido is equally impressive. Completing her master/servant contract required her to create a space-time barrier, where Basara spent an entire "year" repeatedly having sex with Chisato to try to subjugate her. He eventually learned that her pleasure spot was her hymen and used it to finally bend her completely to his will.
  • Gag Boobs: Not only are her breasts so large they could give Mio A-Cup Angst, but they're introduced when she asks Basara to help her out of her swimsuit, and they go bouncing out in a manner that has the narration describe them as being just shy of shouting "WE'RE FREE! WE'RE FREE! YIPEE!"
  • God Was My Co Pilot: Her true name is Afureia, a fallen goddess who was cast out of Heaven for siding with her cousin, Raphine, and Basara's father, Jin. Which she keeps secret from Basara and the other girls in his harem for much of the series, though Basara gradually begins to realize that there's more to Chisato than she lets on. He eventually confronts her with his suspicions in volume 8, which is when she finally tells him the truth about herself and his parents.
  • Good Is Not Soft: Kills a god for attempting to harm Basara. Doesn't bat an eye either when he starts pleading for his life and claiming he was doing it for her.
  • Hair Antennae: She has two strands of hair that stick up from the top of the head like an antenna.
  • Hidden Depths: She initially seems sensible and reserved, as one might expect from a guidance counselor, but it's merely her public face. Away from prying eyes, she's a tease. However, that's yet another mask, because her innermost desire is to be sexually subjugated.
  • Hospital Hottie: Those ruby rimmed specs and that lab coat accentuate the look of an alluring older woman with bedroom eyes, wide hips, and a smokin' hot bod.
  • Hot for Student: She's horny for Basara, though it was only through subtle teasing... at first.
  • Hot God: A fallen goddess cast out of heaven.
  • Improbably Cool Car: In the first OAV, she drives Basara to her apartment in a high performance sports-car, which looks like a Ferrari. How does a high-school teacher afford that? Especially in Japan, where cars are so expensive, most people commute via monorail, subway, or frankly don't bother and rent a room in a dorm, on campus. In particularly remote and rural areas, they take a bus maybe once a month, tops.
  • Incest Is Relative: Her affections for Basara were that of a teasing, barely-older-than-him aunt that escalated rather quickly. It's implied between the lines that she may have had the same affections for her cousin.
  • Kick the Son of a Bitch: She killed Sakazaki when the latter attempted to kill Basara.
  • Long-Lost Relative: She was Raphline's cousin, which makes her Basara's biological first cousin once removed.
  • Meganekko: Chisato wears a pair of ruby rimmed specs, along with her nurse's jacket.
  • Ms. Fanservice:
    • Particularly in the OVAs, two of which are dedicated specifically to her engaging in foreplay with Basara. She's also used in promotional art for the series, which usually shows her in various states of undress.
    • She's also the one who caters to the most fetishes, as an older woman and a registered nurse who's involved in a sexual affair with a student. She's also subject to multiple close-ups to repeatedly emphasise that she has the largest breasts, widest hips, and hottest legs among Basara's harem. And in her second spotlight OVA, she allows him to suckle from her breasts as she lactates.
  • Naughty Nurse Outfit: She wears a black laced garter-belt with nylons, a skintight miniskirt, and stiletto heels, as part of her standard attire.
  • Of Corsets Sexy: A black silk bra and g-string, both trimmed in lace. She also has a see-through nightie.
  • Parental Incest: Her relationship with Basara escalates in the OVAs, though they only go as far as makeout sessions and foreplay. It's much more explicit in the light novels themselves, where official scans show them having sex.
  • Power Limiter: Chisato is actually a high-class angel named Afleia. Most of her power was sealed when she transitioned to Earth. This seal can be lifted when her power is utilized for one sole purpose: protecting Basara.
  • Property of Love: According to the light novels, Chisato's hidden desire is to be dominated by her cousin. She does eventually get her wish in the seventh volume, when he takes her virginity during a three-way and ravishes her to the point of submission. But he didn't succeed in fullly subjugating her until he completed their contract, which conditioned her body to respond to Basara's touch alone. Chisato gladly accepts her new role: to exist solely for his pleasure.
  • Rapunzel Hair: She has hip-length hair.
  • Reasonable Authority Figure: She is always willing to listen to Basara and his friends. She also keeps both human and non-humans in check while in the school.
  • School Nurse: The school's on-call nurse and one of its most beautiful people.
  • Secret Relationship: If word ever got out that she was sexually involved with a student, it would likely cost her her job and tarnish her reputation. Made more illicit since Basara is also her first cousin once removed, so she has to keep it a secret from the rest of the faculty and the other girls living with him.
  • Sexual Extortion: In the early parts of volume 4, after she's taken Basara into her home, unchaperonednote , her advances become progressively more agressive.
    • She initially coerces him by dropping hints about his illicit relations with Mio and Yuki, whenever he tries to pull away. While she doesn't make any threats, Basara realizes he has little choice but to comply, due the likely consequences of outright refusing her.
    • The extortion aspect is downplayed by volume 6, by which time, Basara has grown mutually attracted to his cousin. Though she still explains that advancing their relationship is necessary in order to better his chances of surviving the inevitable confontration with the Demon forces after him.
  • Shameless Fanservice Girl: While the most forward of Basara's harem, she's sensible enough to reserve her advances until they're alone. Two of the OVAs show she's comfortable being nude around him and she's usually the one to initiate foreplay. The light novels go further to show how strong her libido is, by having her lose her virginity via double penetration and being able to repeatedly have sex for an entire year before exhaustion.
  • She's Got Legs: Hers are long, curvaceous, and thick thighed. All the better to fill out those nylons.
  • Supreme Chef: In the early parts of Volume 4, and the OAV, she treats Basara to a home-cooked meal featuring numerous dishes both local and foreign. Basara finds them all so delicious, he can't stop eating even when he's more than full.
  • The Tease: One of her favorite games is using her body to see just how far she can tempt Basara, before he either blushes, or gives in. But as their relationship deepens, her teasing becomes progressively bolder, until he finally goes all the way with her.
  • Their First Time: She gives hers to Basara towards the end of volume 7.
  • Tranquil Fury: Harming Basara in front of her will have her kill the culprit without mercy. A manner in which she might as well be discussing the weather.
  • Violently Protective Girlfriend: If you value your life, don't ever try to harm her cousin/'master'. A decision which Ornish didn't live to regret, when he tried to kill Basara.
  • Willfully Weak: She chose to have most of her power locked away so she can watch over Basara on Earth. She's still more than strong enough to crush Brynhildr's blade with her bare hands.
  • Women Prefer Strong Men: To complete her master/servant contract, Basara had to fulfill her hidden desire, which was to be dominated by her cousin. He finally takes her virginity in volume 7, in which, he creates a doppelgänger of himself in mid-coitus and ravishes her. But he doesn't actually subjugate her until the final volume.
  • Zettai Ryouiki: She wears thigh-high stockings.

    Nanao Tachibana 

Nanao Tachibana

https://static.tvtropes.org/pmwiki/pub/images/tachibana01.jpg

Voiced by: Asami Tano (Japanese), Laura Stahl (English)

A student who serves on the school's newspaper club.


  • Adaptational Wimp: In the original light novel, Nanao wipes the floor with Basara, and Basara exposes his neck in a Kill Me Now, or Forever Stay Your Hand way to prove his innocence. Burst, on the other hand, has Nanao slightly weaker than Basara when the two initially blamed each other for the sabotage of the sports festival orchestrated by Sakazaki, and Basara was able to curb-stomp Nanao. In either case, Nanao was clearly no match for Ornis.
  • Aura Vision: Nanao can track the flow of magic and spirits.
  • Berserker Tears: Nanao is clearly crying in fear and rage while attacking Basara.
  • Bifauxnen: Nanao reveals herself as a woman by the time volume 9 rolls around.
  • Dude Looks Like a Lady: Or so it seems...
  • Entertainingly Wrong: She attacks Basara because he thinks Basara is just another "hero" like those who drove his race off their lands and to the brink of extinction, after deliberately provoking incidents and then justifying themselves by saying the Vampires are a dangerous race.
  • Friendly Neighborhood Vampire: She is actually a vampire.
  • Gender Reveal: Nanao is revealed to be a woman in volume 9. Though she is able to switch between genders.
  • Hair Decorations: Wears a hairclip.
  • Hidden Depths: Descended not from one powerful vampire bloodline, but two.
  • I Just Want to Have Friends: Nanao values Basara's company because Basara's overtures of friendship are genuine without ulterior motives.
  • Ill Girl: Nanao introduced as having a weak constitution, and Chisato voices concern about her condition.
  • Informed Attribute: Nanao is introduced supposedly having a weak constitution. Nothing has been shown to validate this statement.
  • Megane: Nanao wears glasses.
  • Mind Control: Well, at least hypnotic eyes. Nanao subdues Donoue's gang and makes them extremely susceptible to Chisato's commands in volume 4 with a glare.
  • Mode Lock: Due to Basara kissing her during the Christmas party, she is stuck in her female form. She remains stuck in her female forms permanently after Chisato engraving the feeling of being a woman onto her.
  • Our Vampires Are Different: Nanao can and does easily pass for a normal human. At no point are sunlight, running water, or failure to eat human food an issue. In fact, she is never seen drinking blood or needing a blood transfusion.
  • Put on a Bus: Shows up early on in volume 4. She then disappears from the story for quite some time after Mio and the others enter the demon realm.
  • Red Eyes, Take Warning: She has red eyes, and as a vampire, she can be a dangerous opponent when provoked.
  • School Newspaper Newshound: Nanao's introduced as part of the school newspaper club, if not running it.
  • Shrinking Violet: Under normal circumstances, Nanao is painfully shy.
  • Sweet on Polly Oliver: In the light novel, Basara found himself strangely attracted to Nanao...
  • Sweet Polly Oliver: She's actually a girl posing as a boy.
  • Unskilled, but Strong: Basara notes in volume 4 that Nanao could easily overpower him, but hiding as a normal human, doesn't have the knowledge or skill to use the vastly superior vampire powers and abilities effectively.
  • Wolverine Claws: She can extend his fingernails until they're several feet long and sharp enough to rival a sword.

    Yahiro Takigawa 

Yahiro Takigawa

https://static.tvtropes.org/pmwiki/pub/images/yahiro01.jpg
Keep an eye out for him.

Voiced by: Tomokazu Sugita (Japanese), Ray Chase (English)

The only male student to hang out with Basara and not try to harass him due to being immediately targeted by the school idols Yuki and Mio when he transferred in.


  • Big Bad Friend: He's actually Lars, an agent of Zolgia, and responsible for most of the demons going after Mio early in the story.
  • Blindfolded Vision: When he wears a mask, that mask doesn't have slots for his eyes, yet this doesn't affect his vision in any way.
  • Casting a Shadow: In addition to "puppet demons," he can unleash darkness-based attacks in some very creative, and explosive, ways.
  • The Dog Bites Back: He gets back at Zolgia at the end of volume 3.
  • Double Reverse Quadruple Agent: Let's just say he's got his fingers in a lot of pies.
  • Enemy Mine: For a while with Basara. While they're not exactly allies, they do have similar goals and interests.
  • Forgiven, but Not Forgotten: Yuki makes crystal clear at the end of Volume 3 that while she understands Lars's earlier actions and antagonism were a Necessary Evil, and she accepts it, she still can't bring herself to forgive him for hurting Basara. Mio is shown to share the same sentiment but doesn't voice it out loud.
  • Impaled with Extreme Prejudice: He gets stabbed by Zest after he warns her that the demon lord was growing suspicious of Zolgia's actions. She impales him with her fist, then sets his corpse on fire. His death is subverted when it's shown to be one of Lars's puppets that was "killed" by her.
  • Information Broker: In the anime, Basara buys information on the demon world from him by treating him to fancy meals in high-class restaurants.
  • It Amused Me: The primary reason he hangs out with Basara at the start is because he thinks it's amusing.
  • The Nicknamer: He calls Basara "Basacchi." (Basara+Ecchi) Basara doesn't seem to mind.
  • One Degree of Separation: He was raised in the orphanage where Mio's human adopted parents worked. He took their deaths... poorly.
  • Puppet Master: He can summon and control presumably non-sentient low-level demons just about anywhere whenever he wishes. This includes artificial mimic bodies which allows him to fool enemies into thinking he's been "killed."
  • Saying Too Much: Basara is able to sniff him out because he accidentally drops quite a few hints regarding his true nature, such as being startled at the appearance of "demon puppets" that normal humans can't see.
  • Stealth Mentor: All his antics and antagonism at the start, especially the breaking speeches, and presumed evil-gloating? All for the sake of making Mio more effective at fighting Zolgia without "technically" betraying his master, who he wants vengeance on.
  • White Mask of Doom: He wears one every time he's in combat as "Lars."
  • Wild Card: He is no longer directly antagonistic towards the Tojo Household but he supports the Demon Lord Faction which puts him at odds with them.
  • You Have Outlived Your Usefulness: Lars suffers this from Zest after he brings Basara to her in exchange for Mio. She promptly impales him with an attack, then sets him on fire. Lars however was apparently prepared, as he reappears later none the worse for it.

    Shohei Donoue 

Shohei Donoue

https://static.tvtropes.org/pmwiki/pub/images/donoue01.jpg

Voiced by: Hiroki Eto (Japanese), Grant George (English)

The leader of a gang of delinquents that takes an immediate dislike to Basara because Basara caught the eye of both Yuki and Mio upon transferring in.


  • Break the Haughty: Chisato forced him to publicly bow and apologize to Rikka for assaulting her and threatening the festival.
  • The Bully: He certainly acts like one. He's quick to lash out or resort to violence against junior students when things don't go his way.
  • Crazy Jealous Guy: He's very jealous of Basara due to the latter's relationship with Mio.
  • Delinquent Hair: Especially in Japan. He's got blonde hair, combed into a prominent spike at the center of his forehead.
  • Entitled to Have You: To Mio. He thinks that if he's overtly "too friendly," she'll immediately fall head over heels for him. He refuses to accept how utterly wrong he is.
  • Hair-Trigger Temper: He gets angry at even the slightest provocation.
  • Instant Fan Club: He is the self-proclaimed leader of the "Princess Mio" fan club.
  • Knife Nut: He carries around a box-cutter that he's quick to use when he resorts to violence and finds himself outclassed in unarmed combat.
  • Mugging the Monster: When Nanao comes to check up on him, to ask him to return to school, he attacks Nanao and knocks off the kid's glasses, only to notice too late that Nanao's eyes turn blood red.
  • Never My Fault: During the festival, Donoue sneaks around behind the accounting and student president's back to order custom-made expensive fireworks purely to spell out the kanji for Mio's name when they explode in the night sky, and then hides the invoice. When he's called out on it, he blames Rikka by calling her "selfish."
  • They Just Don't Get It: He's so completely baffled by Mio telling him off, that he's convinced himself he's simply not in her face enough, and repeatedly fails to comprehend that his very "persistence" is a huge part of why she doesn't like him.

    Rikka Kajiura 

Rikka Kajiura

https://static.tvtropes.org/pmwiki/pub/images/reika01_8.jpg

Voiced by: Yu Shimamura (Japanese), Deneen Melody (English)

The school council president.


  • Attempted Rape: In the anime's rendition of Chisato's flashback, Sakazaki pins her down to a school desk, rips off her clothes, and tries to rape her before Ornis shows up and kills him.
  • Beleaguered Bureaucrat: She has to put up with Donoue, who not only recruits a gang and threatens to sabotage the festival for failing to get his way by being insistent on using fireworks despite 1.) going over-budget buying them without permission and 2.) not displaying any knowledge in setting them up safely, but initiates violence upon her when she refused to buckle to his extortion and flat-out told him "no means no."
  • Butt-Monkey: The poor girl just can't get things to go well for her, for any length of time. Not only does she suffer a great deal during the sports festival, thanks to Donoue and Sakazaki, but in the volume 6 side-story Christmas Celebration, she suffers two humilating draws from the "misery lottery" game that is part and parcel of the celebration tradition originally orchestrated by Jin when he was a student at school. The first is walking around without underwear until the celebration is over. The second is getting her chest rubbed by Basara for five minutes. It shouldn't surprise anyone what the result is. What's worse is that it's revealed over the course of that chapter, that the rest of the sports festival committee is ribbing her into it because she drew the exact same lots last year during that celebration, and refused to participate, defying "the curse" of the game, where refusing to participate will cause the next sports festival to go poorly.
  • Curtains Match the Windows: Black hair and eyes.
  • Student Council President: She's the leader of Hijirigasaka's student council.
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    Shiho Aikawa and Chika Sakaki 

Shiho Aikawa and Chika Sakaki

Voiced by: Misato (Shiho) and Saeko Zogo (Chika) (Japanese), Jeannie Howard (Shiho) and Cindy Robinson (Chika) (English)

Mio's classmates and closest friends prior to meeting Basara.


  • Brainwashed and Crazy: They get controlled by Zolgia and then Ornis to pursue Mio and Basara respectively.
  • Flat Characters: They are Mio's human friends... and that's all here is to know about them.
  • Locked Out of the Loop: They don't have any idea of the supernatural shenanigans surrounding Basara, Mio, Yuki, or their school.
  • Muggle Best Friend: They are ordinary humans with no supernatural ability, and are the closest people to Mio prior to Basara.
  • Nice Girl: They're both gentle and kind. Their friendship with Mio is genuine.
  • Those Two Guys: They are always seen together, even when apart from Mio.
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