A Certain Magical Index/Characters/High School

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A Certain High School that Touma attends.


Aiho Yomikawa


See the Antiskill page.


Komoe Tsukuyomi

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Voiced by: Kimiko Koyama


The chemistry professor of Touma's high school. She looks nowhere like a teacher, but it has been said that she's one of the older characters in the novels. She hasn't undergone the Ability Development Program, allowing her to use magic to heal Index in the first arc.

  • Adult Child: In mentality and appearance.
  • Big Eater
  • Bottle Fairy: A chain smoking alcoholic loli...
  • Cat Smile: In the comfort of a hot bath.
  • Chekhov's Skill: The healing spell Index taught her early on comes in handy when Himegami is nearly killed by Oriana Thompson.
  • Christmas Cake: More than likely.
  • Color Failure: An epic one
  • Cool Teacher
  • Hot for Student: Towards her "Kamijou-chan"
  • Kawaiiko
  • Legal Jailbait: In universe example: legal in age but lusted over by her Lolicon-inclined detention students.
  • Mama Bear: She defended her students from a teacher who insulted them during the Daihaise sports festival.
  • Nice Girl: "I got a lot of students; some are nice, some are naughty, and some even blow big holes in my roof. But I love them all!!"
  • Older Than They Look: In her forties, yet is easily mistaken for an elementary school student. When Accelerator first sees her, he thinks she's the result of anti-aging research. Mikoto outright mistakes her for a child in their first encounter.
  • Rose-Haired Girl
  • Sensei-chan
  • Team Mom: Appearance aside, she’s the closest thing to a mother-figure the children of the cast have; a strong and nurturing one at that too.

Suama Oyafune

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A math teacher at Touma's school and the daughter of Monaka Oyafune, a member of Academy City's Board of Directors.


Touma Kamijou


See the Protagonists page.


Motoharu Tsuchimikado

Fallere825 -- The Backstabbing Blade

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Voiced by: Anri Katsu


He’s a friend and classmate of Touma’s who just happens to be his next-door neighbor at their dormitory. He's also a skilled magician, however, undergoing the Power Development Curriculum caused his magic use to become fatal. His ability, Level 0 Auto-Regeneration, counteracts this, though imperfectly. He is a freelance spy for several organizations, including Necessarius, Academy City, and GROUP. The leaders are aware of this and lets him be for the time being.

  • Anime Hair
  • Anti-Hero: Especially when taking on GROUP work.
  • Bishonen
  • Brother-Sister Incest: Has feelings for his (non-blood-related) step-sister.
  • Book Dumb: Like Touma, he's actually very smart outside of the esper studies curriculum. And despite his reputation in school, he's also a highly-skilled onmyoji and an excellent spy.
  • Bunny Ears Lawyer: A shameless siscon with a Verbal Tic who happens to be a Reliable Traitor spy for Academy City, Necessarius, and a member of GROUP.
  • Code Name: Magic Name: Fallere825.
  • Cool Shades: Is never seen without them.
  • Embarrassing Nickname: "Siscon Sergeant". Yet he's proud of it.
  • Fake Defector: His original goal was to be caught by Academy City, then pretend to switch sides and give them information on the Anglican Church. In practice it's subverted, as he'll help or betray either side as he sees fit.
  • Faking the Dead: After the end of NT Volume 7, with the help of Seria.
  • Fights Like a Normal : Because he can't rely much on his powers.
  • Foil: To another Anglican Church spy, Fran Karasuma. Both of them are knowledgeable in both science and magic. Motoharu himself lampshades this, calling himself "the Kamijou Touma version of Karasuma Fran".
  • The Gadfly: He routinely annoys other people, often Touma, for his own amusement.
  • Hair of Gold
  • Hawaiian-Shirted Tourist: Subverted. He's not a tourist, but is often seen wearing a Hawaiian shirt and sunglasses.
  • Healing Factor: His Esper power, Level 0 Auto-Rebirth.
  • Heroic RROD: Since he's a former magician and now an Esper, should he ever use magic it can kill him. Luckily his self-regeneration Esper powers mitigates that. Sadly, he also mentions that his ability’s not perfect (being a Level 0) and could fail anytime. He estimates he only has 5 or 6 "lifelines" left.
  • Hidden Heart of Gold: He's willing to do terrible things for the greater good, but that doesn't mean he won't try for a softer option when possible. He uses magic (hence badly injuring himself) to avoid having to kill Touma's father, offers a Mercy Kill to a dying assassin, and will go to any lengths to ensure the safety of his siser.
  • Lolicon
  • Not Blood Siblings: He adopted Maika from an orphanage as his sister, originally to strengthen his cover as a spy. However, he came to genuinely love her as family.
  • Onmyodo: He hails from a family descended from Abe no Seimei himself, and is a very talented onmyoji.
  • Pretentious Latin Motto: His magic name translates to "The Backstabbing Blade".
  • Red Oni, Blue Oni: With Aogami Pierce. He's the Blue Oni.
  • Regular Caller: Starting from Volume 14, he's the one who drags Touma into Europe's affairs, which comes to a head in Volume 17, where he uses knockout gas to get Touma to London. Which makes this a rather literal case of The Call Knows Where You Live.
  • Reliable Traitor
  • Secret Keeper: NT Volume 11 implies that he's aware of Touma's memory loss, given that he was observing (and possibly listening to) a conversation in which Misaki and Seria discuss it.
  • Secret Keeper
  • Self-Proclaimed Liar
  • Those Two Guys: With Pierce Aogami.
  • Troll: Poor, poor Kaori.
  • Verbal Tic: Nya!
  • Weak but Skilled: His magic is powerful, but too dangerous to use regularly. With nothing more than guns, martial arts and a very weak Healing Factor, he nevertheless manages to be one of the more dangerous characters in the series.
  • Wild Card: Works as a freelance spy for either side. The only person he is truly loyal to is his sister, Maika.
  • The Worf Effect: In NT Volume 15, he's knocked out by the Kamisato Faction without being able to do anything, preventing him from playing any role in the volume.

Aogami Pierce

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Voiced by: Kawahara Yoshihisa


Tōma's friend and classmate whose real name is unknown. A funny individual who tends to notice Tōma's bad luck, and has calls him "Kami-yan" in a different way. He is a self-confessed pervert, lolicon, and masochist who enjoys being punished by his teacher, Tsukuyomi. He is always seen with Motoharu. He, Motoharu, and Tōma are known as the three idiots in their class as they have the lowest test scores.


"Ha, you’re too naïve, Kami-yan. I have a wide range of acceptance when it comes to women: not just fallen female main characters but also foster sisters, foster mothers, foster daughters, twins, widows, senpais, kouhais, fellow classmates, teachers, childhood friends, ojousamas, blondes, brunettes, brown-haired, silver-haired, long-haired, medium-haired, short-haired, girls wearing bobby pins, wavy-haired, twintails, ponytails, one-sided ponytails, twin braids, ahoges, curly-haired, girls in sailor clothes, blazers, judogi, kyuudougi, kindergarten nurses, maids, policewomen, witches, shrine maidens, nuns, military women, secretaries, lolis, shotas, tsunderes, cheerleaders, stewardesses, waitresses, goth girls wearing black, goth girls wearing white, girls in China dresses, frail girls, albino girls, fantasists, girls with split personalities, queens, princesses, thigh-high socks, garterbelts, girls who cross-dress as guys, girls who wear glasses, girls who wear an eyepatch, girls who wear bandages, girls in school swimsuits, one-piece swimsuits, bikinis, V-shaped bikinis, bikinis that barely cover anything, youkai, ghosts, animal-eared girls, etc. - any female is within my area of acceptance.”


Aisa Himegami

Deep Blood

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Voiced by: Mamiko Noto


A Japanese Christian with a Miko attire formerly from Kirigaoka Girls' Academy. She possesses the ability to kill vampires with her blood, which also attracts them. This power also killed her friends and family after being turned into vampires, prompting her to look for a way to remove her abilities.

She is a naturally occurring esper, which in-setting is called a gemstone.


Aisa: I'm ignored... therefore I a- (cut to next scene before she could finish sentence.)


Seiri Fukiyose

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Voiced by: Ayumi Fujimura


A member of Touma's class. She's very responsible, health-conscious and clean. Basically everything Touma is not. Is the only girl not to fall for Touma's "charms". We think. Depending on how you interpret some of her scenes in the anime.


Touma: Fukiyose's forehead deluxe?!


Seria Kumokawa

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A mysterious sempai in Touma's school, Seria has connections to one of the Board of Directors for the whole of Academy City. Both her motives, and the extent of her knowledge is unknown, but she seems to love the carefree life of a high school student. May or may not be in love with Touma.

  • A Day in the Limelight: One of the short stories from one of Kiyotaka Haimura's art books, where she uses a love letter to Touma to catch a spy.
  • Angst Coma: While not literally in coma, she became extremely lethargic and refused to work, just staring blankly, after Touma's "death".
  • Battle of Wits: Kaziumi points out that these are fights that even Touma can't fight. Which is why Touma can do a lot of things they can't.
  • Becoming the Mask: She chose to live a school life, as Touma's senpai, along with her Board work. She liked it.
  • Didn't See That Coming: She's defeated by Motoharu when he uses magic, something she doesn't know exists.
  • Eye Scream: Motoharu rips out one of her eyes, but its replaced by a transplant by the end of the volume.
  • Foil: To Misaki. Both of them are skilled in affecting people's minds, except that Seria manages it without an esper ability. They're also both in love with Touma.
  • Love Makes You Dumb: She used to be confident and brilliant. Then Touma "died". She then spent her time "blankly sitting around like an idiot" until he came back. She's still depressed that she couldn't help during WWIII though.
  • Love Letter Lunacy: Invokes this in her A Day in the Limelight short story.
  • Manipulative Bitch
  • The Man Behind the Man: The previously mentioned Board member refers to her as his 'brain'.
  • Master of Your Domain: Using autohypnosis, she can suppress the pain from injuries.
  • Secret Keeper: She knows about Touma's memory loss.
  • Sempai-Kohai: Sempai to Touma. A role she quite enjoys.
  • Smug Snake: Though not a bad guy. Probably.
  • Teen Genius: Said to be one, being the brain of a Board menber and all.