A Level 4, 2nd year transfer student of Tokiwadai Middle School. A rival to Kuroko Shirai, she is confident, boastful, and desires to become a Level 5. Although she if often boastful about her abilities, she usually finds herself the victim of several attacks.

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• Alternate Continuity: Has irreconcilable differences between how she is portrayed in the Anime and in the manga. Notably in the manga and in her brief appearance in novels she is introduced as a New Transfer Student to Tokiwadai about a month after the end of the Railgun anime, and quickly became good friends with Mikoto as well.
• Back-to-Back Badasses
• Badass Adorable: Once she starts showing her kind and sensitive side.
• Big Damn Heroes: Twice, with Lampshade Hanging
• Blow You Away
• Butt Monkey: Until Episode 23...
• Catch Phrase: "Do you, X, know that your Y with Kongou Mitsuko of Tokidawai?"
• Feather Boa Constrictor: During the Beach Episode
• Forehead of Doom
• I Just Want to Have Friends
• Jerk with a Heart of Gold: While arrogant, she honestly cares for her underclassmen and comes twice to the rescue of her self-proclaimed rival/friend Mikoto and is kind to children.
• Large Ham: She just loves to talk.
• Lovable Alpha Bitch
• New Transfer Student: At least in the manga.
• Ojou: The vocabulary she uses is extremely refined and genteel, even more-so than Kuroko's, as the thugs trying to mug her Episode 15 point out, annoyed by the noble arrogance it carried.
• One Girl Army
• Spoiled Sweet: Though she is not shy about showing-off how wealthy and chic she is, she is equally generous about sharing all the perks and benefits of her wealth with her friends.
• Start My Own: Some time after arriving as a transferee in Tokiwadai, she notes how there are several cliques/factions in the school. She couldn't decide which one to join, so she opts to start one of her own, but is discouraged after seeing the largest clique, led by the Queen of Tokiwadai.
  • Then after failing to get anyone to join, when Wannai and Awatsuki offer to join her clique, she says they should be friends instead.
• The Rival: With Kuroko, whom she despises, and the feeling’s mutual. However they come to grudgingly respect each other as warriors after fighting side-by-side in the final episode of Railgun.
• Unknown Rival: Aims to be the Ace of Tokiwadai, but Mikoto isn't aware of it at all.

If there was ever reason you don't mess with the rules, this woman is that reason. As the Dorm Supervisor of Tokiwadai it’s her job to make sure the girls living there don't break the dorm rules, and she provides plenty of incentive to never break them ever! Though a mere Level 0, her skills in "subduing"*

breaking your neck!

troublemakers are... effective. So if you ever meet her and she knows you've broken the rules (and she will), or god forbid she catches you in the act (and she will), it was nice knowing you...

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• Amusing Injuries: The administer of them, at least. With this lady, you get the pleasure of having your neck broken and living to tell scary stories about it...
• Badass Normal: When you have Level Fucking Fives fearing for their lives at the mere mention of your name, you'd learn well to not underestimate a Level 0...
  • She took down a group of Hound Dog commandos with no weapons!
  • She absolutely terrifies two Level 5's simultaneously (Mikoto and Gunha) and scares the latter into running the hell away. Why? The former’s on the ground with her neck snapped!
  • To be fair these two events are of questionable canonocity (the Hound Dog incident was in a fairly silly manga omake and the incident with the two level 5s came from the Fanfare side story, which was written by a different author), so it may be a case of Memetic Badass exaggerating her effectiveness to some degree.
• Blatant Lies: She once told someone that "I've never scolded my dormitory students". Suuuuuure.
• Christmas Cake
• Death Glare
• The Dreaded: To the girls of Tokiwadai, she's even more feared than Accelerator.
• Hidden Heart of Gold: She tries her very best to hide the fact that she’s a kind, gentle, and loving kindergarten teacher to a school of orphans when not working at the dormitory.
• Hot Chick in a Badass Suit: You may debate the "hot" part, but that suit of hers is Badass regardless of who you ask.
• It Got Worse: What?! There's two of them?! Be afraid. Be very afraid.
• Knight Templar
  Dorm Supervisor: Oh I see. 'Extenuating circumstances...', you could say? However... (*grabs Kuroko, breaks her neck, and tosses her aside like a rag doll*) were I to accept 'extenuating circumstances' as an excuse, I would not be able to maintain the peace of this dormitory. Those who break the rules ought to be punished. Don't you agree, Misaka?
• Meganekko / Stoic Spectacles
• Neck Snap: It's what she does.
• No Name Given
• Oh Crap: Has elicited some epic ones from Mikoto◊ and Kuroko◊.
• One Woman Army: She gets a scene in a manga omake where she takes down a paramilitary squad out without using weapons or powers.
• Only Known by Their Nickname: "Well good day "Dorm Mother", of course we were not up to any mischief..."
• Perpetual Frowner
• VERY Scary Shiny Glasses
• Specs of Awesome