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Characters: Infinite Stratos

Tropes for individual Infinite Stratos characters go here. Any contributions are appreciated.

Most of the characters are in the same class; first year high school students (10th grade, 15 or 16 years old).

Unmarked spoilers ahead. Highlight at your own risk.

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     Students 

Ichika Orimura

Voiced by: Kouki Uchiyama (Japanese) and Josh Grelle (English)

The main protagonist and the first ever male able to pilot an Infinite Stratos.
  • Accidental Pervert
    • In Episode 1, he stumbles onto Houki getting out of the shower. He later comes across her bra hanging from one of her wooden katanas and almost doesn't recognize what it is.
    • After being crushed under Maya's IS, he somehow winds up on top once the dust clears, face down in front of two classes.
    • Several moments with Charlotte post-reveal.
    • Season 2 Episode 2 has him and Tatenashi in a judo match; after getting curbstomped by her for a while, he manages to grab her outfit, but inadvertedly pulls it open in the process revealing her ample chest. Cue Pervert Revenge Mode.
  • A Lady on Each Arm:
    • Ends up between Houki and Cecilia, as they coerced him to escort them to the cafeteria in season 1 episode 6.
    • ... And again between Houki and Charlotte in the Sugar & Honey spin-off manga.
    • Taken Up to Eleven in season 2 episode 3 when Houki, Cecilia, Charlotte, and Laura all attempt to accompany him on his break during the school festival, resulting in two girls holding each of his arms.
  • Bare-Handed Blade Block: Blocks Houki's wooden katana with this.
  • Bare Your Midriff: His IS suit.
  • Battle Couple: With Charlotte and Houki at one point.
  • Battle Harem: Lampshaded by one of his teachers in that with so many personal IS users gathered around him, he has enough to become an independent force.
  • Bishōnen: Described as one by the girls in the academy.
  • Big Sister Worship: Thinks very highly of his older sister. This naturally gets everyone in his harem to suspect that he's got feelings for her.
  • Bishie Sparkle: This is apparently how Laura sees him.
  • Book Dumb: Very bad when it comes to theoretical application, such as the mechanics of firing an IS-outfitted gun. This is why Chifuyu encourages him to simply stick to close-range combat. This is more of him being generally unfamiliar with anything IS-related than him being dumb.
  • Butt Monkey: Get's beaten up or insulted by his harem and sister, usually for being stupid, on a near regular basis.
  • Character Tics: He has a habit of clenching and relaxing his left hand when anxious (a reference to Shinji Ikari, who had the same habit). His sister has actually taken note of this, and explains that whenever the tic shows up in combat, it's a sign that he's about to do something reckless and stupid.
  • Childhood Friend Romance: With Houki. And Rin. And Ran.
  • Class Representative: For Class 1-1. Cecilia originally won it by way of a duel, but later cedes the position to him.
  • Clueless Chick Magnet: Most of the time, though at least he knows of the affections of Charlotte and Laura toward him — after all, the former gave him a naked hug during their time at the hot bath; the latter gave him a kiss and later snuck naked onto his bed.
  • Crippling Overspecialisation: Played with — the Yukihira Type-2 is his only weapon, leaving Ichika crippled in ranged combat. When he notes this, Chifuyu points out that it'd be extremely hard for the inexperienced Ichika to learn the complex mechanics behind firing an IS-outfitted ranged weapon, advising him to instead perfect his melee skills such that he won't need long-range firepower anymore... just like how Chifuyu won the 1st Mondo Grosso Tournament.
    • That all changes, Mid-Season Upgrade-style when Byakkushiki second-shifted into the Setsura to save his life giving him a powerful Beam Cannon & Shield combo weapon.
  • Custom Uniform: Justified since he is the only male who can pilot an IS unit in the all-female academy.
  • The Dulcinea Effect: Uhh yeah, check. This got him into a temporary coma, though.
  • Expy: Looks fairly like SEED Destiny's Shinn Asuka, minus the Wrath and Black and White Insanity issues.
    • His IS, particularly the Setsura, is also this to Shinn's Destiny Gundam.
  • Falling into the Cockpit: Averts the usual basics of this trope. During his high school entrance exam, he wandered into a storage room, where he discovered he could operate an IS upon touching one. Come Episode 1, he's already used ISs a few times.
  • The Fettered: Ichika never backs down on a promise he makes, and he draws strength from his need to protect his friends and family. Also, his talks with Charles (Charlotte) and Laura about his decision to protect them cause them to fall in love with him.
  • First Name Basis: With pretty much everyone in his harem. His new name for Charles after she reveals her true gender is Char.
  • First-Person Smartass: In the Light Novel, especially regarding Chifuyu.
    "Oh my, this voice definitely belongs to Chifuyu-nee. A black knight’s song rings in my mind without conditions. On a side note, there’s also another tune in my mind. It’s called The Terminator."
  • First Kiss: Laura steals it, and declares Ichika to be her wife.
  • Fragile Speedster/Glass Cannon: Byakkushiki can deal a lot of damage and is also way faster than any other IS, but it can't take a ton of hits due to its low energy pool.
  • Happy Ending Massage: He's very skilled at it.
  • The Hero: And by extension a Doom Magnet.
  • Heroic Self-Deprecation: Blames himself and his kidnapping for Chifuyu forfeiting her title defense at the 2nd Mondo Grosso Tournament to save him. Obviously, it wasn't but he still thinks so.
  • Hidden Depths: The light novels make it clear that he isn't actually Oblivious to Love, or at least not as much as he pretends.
    Charlotte: Sometimes I think you're doing this on purpose.
  • House Husband: Has the qualities of one, as lampshaded by his sister to his "girlfriends".
  • I Am Not Left-Handed: During his duel with Cecilia, he gets caught by missiles after destroying her drones. After the resulting Smoke Shield clears, it turns out he survived due to his IS upgrading and optimizing itself at the last second. Right then, Cecilia realizes that Ichika had been holding her off with his IS's default settings.
  • Idiot Hero: He's Book Dumb, but not Street Smart either and gets his ass kicked by people with far inferior equipment. Bullseye in every category.
  • Innocent Cohabitation: With Houki, and a double-subversion with Charles/Charlotte.
  • I Take Offense to That Last One: In the light novels when he blocks Houki's wooden sword, someone comments that "he's not bad at receiving." He definitely doesn't appreciate that comment.
  • Jack of All Stats: The Byakushiki (after its Post-Setsura shift) is armed with a particle cannon, an energy claw, and a force shield, in addition to the Yukihira Type-2.
  • Katanas Are Just Better/Laser Blade: Yukihira Type-2
    • Cast from Hit Points/One-Hit Kill: The Reiraku Byakuya one-off ability, where the Yukihira Type-2 casts away the IS's shield energy for a shield-nullifying attack, powerful enough to force an opposing IS to activate its Absolute Defense, and thus ending the match in his favor. Its main drawback is the Byakushiki's low Shield Energy reserves and its limitation to said weapon.
  • Marshmallow Hell:
    • During the Long Vacation OVA, where she was pulled underwater by Cecilia in order to hide from Rin and Laura.
    • Subjected to this by Tatenashi in Season 2, who demanded he give her a massage.
  • Mid-Season Upgrade: Byakkushiki's second-shift into Setsura.
    • Somewhat downplayed in the second season where all that remained from the second shift was the particle cannon; the rest of his IS reverted back to its first-shift settings in between seasons.
  • Mr. Fanservice: A boy who doesn't look too bad on the eyes, frequently seen wearing skin-tight outfits, and is ripped. And if Houki's reaction is any indication, he looks good in a tuxedo.
  • Nice Guy: One of the reasons why the girls fall for him, along with House Husband skills.
  • Oblivious to Love: Comes with his Idiot Hero package. Dan seems to be aware of this.
    [Ran has dolled herself up so she looks nice while he's around. He assumes she has a date. She gets mad.]
    Dan: "I bet you're like this at school too."
    Ichika: "What are you talking about?"
    Dan: "Nothing at all."
    Dan: "I feel bad for Rin."
  • Off Model: Happens to him. Twice. Averted in the DVD and BD release.
  • Oh Crap:
    • When Rin fires off a Wave Motion Gun at him without his IS suit at point-blank range.
    • When Cecilia almost blows his head off for almost kissing Houki.
  • The One Guy: Out of the all-female population of IS users within the Academy.
  • Out-of-Clothes Experience: He experiences this with Houki.
  • Our Hero Is Dead: This is how volume 6 ended. Due to the long wait between volume 6 and 7, fans assumed that he really did die. Cue Laura's Big Damn Heroes moment at the opening of volume 7.
  • Parental Abandonment: He and Chifuyu were abandoned by their parents.
  • Power Palm: Byakkushiki in season 2 (post-Setsura shift) has one on the left.
  • Real Men Wear Pink: As Chifuyu described him, Ichika is great at cooking, house chores, and giving massages. Dude is destined to be the perfect house husband. In the OVA between Seasons 1 and 2, Charlotte even has a brief fantasy about how he'd make an excellent husband.
  • Red Oni, Blue Oni: The red to Chifuyu's blue.
  • Running Gag: Every single time he's about to deal a finishing blow, his Byakushiki's energy always seems to run out at the worst possible time.
  • Sharp-Dressed Man: When he is late for a dinner with Houki in Volume 7, she is about to blast him for it until she turns around. The sight of him in a tuxedo makes her forget what she was about to say.
  • Shout-Out:
    • His IS shares the same name of a suit in Model Suit Gunpla Builders Beginning G OVA, which is actually a white variant (and is one stroke different in Kanji) of the Hyaku-Shiki.
    • In season 1 (both in the teaser scene in episode 1 and the final battle in episode 12), he pulls off a left-handed Shining Finger.
  • Super Prototype: Ichika's IS core is actually Core 001 — the very first of its kind. Chifuyu claims Tabane put her heart and soul into it as her first creation.
    • The Byakushiki is actually a 4th-generation Super Prototype. However, as a testbed for new technology and concepts, its full of flaws, making it more of a Flawed Prototype.
  • Survival Mantra: Naked girl nearby? Recite pi in your head.
  • Thanks for the Mammary:
    • Had a dose of this and Funbag Airbag when Yamada-sensei crash-landed on him in episode 5.
    • Accidentally grabbed onto Charlotte in the second OVA, when they went down the pair pool.
  • Trash Talk: His argument with Cecilia in the first episode. He even states that England has the worst cuisine in the whole world.
  • Unlucky Everydude: Ichika is very uncomfortable being the only guy in what is essentially an all-girls academy, leading to a number of awkward situations. Nevertheless he's not a complete pushover — especially towards Houki, who even hit him once, but he still got up and didn't let it faze him (and he even was the one who dragged her out to lunch by the hand, rather than the other way around), making him somewhat a subversion. However, he was tossed in harm's way after the reveal of the IS, first being kidnapped before he knew he was an IS pilot and now a target of terrorist attacks because they want his IS core.
  • Unwanted Harem: So far, he has gained the affection of almost every single person in the academy, particularly Houki, Cecilia, Rin, Charlotte, Laura, and Kanzashi. Even his friend's little sister Ran is in love with him. Despite all that, he's still Oblivious to Love.

Houki Shinonono

Voiced by: Yoko Hikasa (Japanese) and Monica Rial (English)

Ichika's childhood friend ever since they're little kids. Although she moved away during their grade school years (due to tight security surrounding her older sister Tabane, chief developer of the IS, and her family), he still remembers a lot about her, and is happy that they're in the same class. Due to an extreme coincidence, they also end up sharing a dorm room, though Ichika doesn't see any harm in this. Later, Charles Dunois gets paired up with him, but Houki still keeps close contact with her old friend.
  • Adorkable: Her moments of being flustered or genuinely happy are incredibly cute.
  • Almost Kiss: Right at the end of Season 1, Episode 12, she almost succeeds in getting Ichika to kiss her... and then the other girls show up.
  • Anime Hair: Has a long ponytail which actually splits into two.
  • Armed Legs: Her IS has a pair of retractable energy blades.
  • Battle Couple: In the last few episodes with Ichika.
  • Beam Spam: Her right-hand katana Amatsuki can fire multiple beams with one slash.
  • Boobs of Steel: Arguably the most well-endowed among Ichika's harem.
  • Cannot Spit It Out: Implied to have grown out of the trope upon the closing scenes of season 1 episode 12, when she allows Ichika to grope her and almost succeeds in kissing him. By the time of the first OVA, she confesses... but he couldn't hear 'cause of the fireworks.
  • Charles Atlas Super Power: Can stab through wooden doors with wooden katanas, and can launch Ichika up in the air with a single kick to the gut.
  • Childhood Friend Romance: With Ichika.
  • Clingy Jealous Girl: While initially hostile towards Ichika, when a senior offered to teach him on the IS, she immediately declines the offer for him. She also told him that if she won the championship tournament he will date her, which gossip blew out of proportion into a winner-take-Ichika tourney.
  • Cute Bruiser: She trained in kendo prior to the introduction of the IS suits, and her IS suit is melee oriented.
  • D-Cup Distress: While showering in the first episode of season 2, she seems to lament that her breasts have gotten bigger. Ichika definitely takes notice of it when she hastily meets him at her door a few moments later.
  • Defrosting Ice Queen: Already melted and down the drain by Episode 5.
  • Deuteragonist: What sets her apart from the other girls is that she gets by far the most amount of screen time, which cements her status as the female lead. In particular, she knows Ichika the longest, she has one of the strongest mechas, she sings the ending for every episode, she gets the closest to getting him to reciprocate her feelings, and she gets half of an OVA dedicated to her. There are moments where she honestly seems like the main character rather than Ichika, like the aforementioned OVA focusing more on her thoughts than that of everyone else.
  • "Do It Yourself" Theme Tune: Her Seiyuu sings the ending for every episode including the OVA.
  • Dual Wielding: Aka Tsubaki's katanas.
  • Expy/Actor Allusion: Similar in appearance with Seraphim: an Aloof, Dark-haired, Always-frowning Action Girl with Rapunzel Ponytails. They also share the same voice actress to boot.
  • Get a Hold of Yourself, Man!:
    • Gives one to Ichika for attempting to face-off with Laura's VT-enabled IS.
    • Ends at the receiving end of this trope from Rin, snapping her out of her Heroic BSOD.
  • Hair Decorations: Initially a green ribbon tying her hair. Later gets a white one from Ichika for her birthday.
  • Heroic BSOD: Struck with one when Ichika made a Diving Save to shield her from Silver Gospel. Rin reminds her that they can still win, who then proceeds to slap her to her senses.
  • Innocent Cohabitation: With Ichika, until Charles came in.
  • Invulnerable Knuckles: In the seventh episode of the second season, she gets to do a photo shoot & a joint interview with Ichika. She is so excited at the prospect that while in the dressing room of the studio, she starts punching her locker door while psyching herself up mentally. She ends up punching the locker door off its hinges. Meanwhile, her hand is perfectly fine.
  • Irony: Her sister created the IS but she doesn't get her own personal IS until the story is well underway.
    • But by the time she got her hands on the Aka Tsubaki, what a monster of an IS it is.
  • Katanas Are Just Better: She's a Kendo ace, after all. Also applies after receiving Aka Tsubaki.
    • Wooden Katanas Are Even Better: Comes with the Kendo ace package. To the point she can pierce through wooden doors like they're nothing. Even Ichika hangs a lampshade on it.
  • Kiai: As one would expect from a sword practicioner, she can scream while bringing down her sword.
  • Lightning Bruiser: Aka Tsubaki.
  • Modesty Towel: Ichika catches her in one after he enters their dorm room for the first time.
  • Out-of-Clothes Experience: She experiences this with Ichika.
  • Parental Abandonment: Became part of a protection program which requires constant relocation due to Tabane's critical importance, and has since hated Tabane for affecting her family life and relationship with Ichika.
  • Patient Childhood Love Interest: In a rarity among harem novels/manga/anime, she's also the first girl to be introduced in the series.
  • Perpetual Frowner:
    "I was born with this face."
  • Phlebotinum Battery: Akatsubaki's One-Off ability, Kenran Butou, can regenerate its shield energy as well as that of other IS units.
  • Rapunzel Hair: Most apparent after her post-shower mishap with Ichika.
  • Serious Business: How she takes cooking.
  • Sibling Yin-Yang: With her sister Tabane.
  • Super Prototype: Akatsubaki, the first true 4th-generation IS built by Tabane.
  • Sword Beam: Her left-hand katana Karaware can fire one of these.
  • Took a Level in Badass: After gaining the Akatsubaki. See Unskilled, but Strong sub-entry.
  • Tsundere: Type B
  • Unskilled, but Strong: Akatsubaki is a 4th-generation Super Prototype and the most powerful IS in existence. However, she's not a skilled pilot, so she can only be as powerful as the rest of Ichika's girls.
    • She seemed to have grown out of this trope in season 2: while Tatenashi was conducting a diagnostics test on her, she found out that Houki already qualifies as a Class S IS pilot. The former credits Tabane's involvement for her sister's sudden increase in ranking.
  • Woman in White: Her IS suit after obtaining the Akatsubaki.
  • Zettai Ryouiki: Her school uniform exhibits a Grade A. Much like all girls in their IS suit.


Cecilia Alcott

Voiced by: Yukana (Japanese) and Brittney Karbowski (English)

Official representative of the United Kingdom for the IS Academy. Although tension initially sparked between her and Ichika due to the latter's lack of knowledge about her impressive history, she warms up to him after he almost defeats her in a duel.
  • Attack Drone: Her Blue Tears has four of them, all of which shoot lasers.
  • Beam Spam: All but one of the Blue Tears' weapon systems are beam-type weapons. In fact, Blue Tears was designed from the ground up as a test bed for IS-carried beam weapons.
  • Black Bra And Panties: When she wants to seduce Ichika, she comes prepared.
  • British Stuffiness: Her vocabulary in the original Japanese version is completely formal in its prefixes, suffixes and idioms; free of slang and other "vulgar" syntax. In other words, vocabulary spoken by stereotypically uptight and overly polite British nobility.
  • Cannot Spit It Out: Like Rin, has some trouble expressing her "feelings" for Ichika, despite being a bit of a tease herself.
  • Class Representative: She won the duel for the position against Ichika (simply because his IS ran out of shield energy just as he's about to deal the finishing blow), but nevertheless cedes her position to him.
  • Clingy Jealous Girl: While she hated Ichika initially, after nearly beating her in a duel, she became very friendly to him, and hates it when the other girls get close to him, particularly his two childhood friends.
  • Defeat Means Friendship: InvertedShe wins the duel for the Class 1-1 Representative position against Ichika, but starts falling for him afterwards.
  • Does Not Like Men: Her father was a spineless sycophant, which frustrated her to no end and colored her interactions with men in general. Apparently Ichika was the first exception she ever met.
  • Dull Eyes of Unhappiness: Together with Rin while they were stalking on Ichika and Charlotte holdings hands as they buy swimsuits.
  • Friendly Sniper: Her IS does have a Sniper Rifle as a primary weapon, so this counts.
  • Godiva Hair: Episode 9, by way of her Ojou Ringlets.
  • Hair Decorations: A blue headband with floral borders.
  • Keigo: Uses "watakushi" when referring to herself and "desu wa" at the end of her sentences to emphasize her nobility.
  • Laughing Mad: In Episode 12, after witnessing Ichika and Houki's Almost Kiss and nearly blowing off the guy's head in the process.
  • Lethal Chef: Shown when she gave Ichika some sandwiches. Her cooking can be described as "looking exactly as depicted in the cookbook, but tastes just like the cookbook". Then again, there's that joke about British culinary skills...
    • Season 2 shows how her lack of common sense is a major cause of her horrendous cooking skills. While teaching her how to cook, Houki, Charlotte and the latter's roommate, Laura, all get sick from her attempts to make the food look better. Later, when Rin to teaches her how to make sweet & sour pork, Cecilia ends up blowing the latter's room up, as upon hearing Rin stating that Chinese cooking is all about "firepower", Cecilia decides to use her IS's laser.
  • Megaton Punch: Gives one to Ichika during the Beach Episode.
  • Mid-Season Upgrade: There was a mention of a Strike Gunner high-speed package for her personal IS, just before their encounter with the Silver Gospel. It is unknown if she actually made use of it during the last battle...
  • Not Even Bothering with the Accent: Played straight in the original sub, averted in the dub.
  • Oh Crap: Upon seeing the Silent Zephyrs in episode 4 of season 2. Especially since the Silent Zephyrs was originally known as "Blue Tears Mk. II", basically Cecilia's IS Suit, but better in pretty much every way.
  • Ojou: Makes a big point of her noble birth and upbringing.
  • Ojou Ringlets: Two sets.
  • Parental Abandonment: Her parents died in a train accident.
  • Pimped-Out School Uniform: Her uniform has frills on the edges of her skirt and sleeves.
  • Proper Tights with a Skirt: Seems to wear a pair as part of her Custom Uniform (see above pic).
  • Seiza Squirm: Ichika even lampshades it when he sees her discomfort, asking why didn't she sit at a table instead. She refuses to, having won said spot next to him from the other girls in a game they played earlier.
  • Shout-Out: The Attack Drones on her personal IS, Blue Tears, is an obvious reference to mechs with similar armaments from the Gundam franchise, particularly the Strike Freedom Gundam, though the mix of that and the sniper rifle weapon would be more akin to the Cherudim Gundam.
  • Spell My Name with an S: Some subs misspelled her last name as how it was pronounced in the original: "Olcott".
  • Those Two Girls: With Rin.
  • Tsundere: Another blatant Type B.
  • Upper-Class Twit: Due to her sheltered life, she does not have as much common sense as her peers.

Lingyin "Rin" Huang

Voiced by: Asami Shimoda (Japanese) and Hilary Haag (English)

Representative of China for the IS Academy and Class 1-2 Representative. She and Ichika were friends since grade school, some time after Houki left. They have fond memories of eating together in her family's restaurant, though it seems that Ichika doesn't remember things quite the same way Rin does...
  • A-Cup Angst: Never ever say to her face that she's flat-chested. In episode 5 of season 2, she punches the TV screen while watching Charlotte with Ichika, after the screen pauses on Charl's chest. She also angrily accuses him of staring at the other girl's boobs later on after Tatenashi steals her outfit to tease Ichika. The latter only adds fuel to the fire by saying Rin's outfit is a bit tight around the chest. The novels reveal she's actually somewhat jealous of Laura, because Laura has even smaller breasts than her but she isn't bothered by it in the slightest.
  • Almost Kiss: She nearly gave one to a sleeping Ichika, till he started to wake up.
  • Anime Chinese Girl: Aside from stated nationality, she befits the stereotype of being raised in a family that runs a Chinese restaurant.
  • Cannot Spit It Out: Has no problem being playful and energetic towards Ichika, but has problems in the romantic affection bit.
  • Catch Phrase:
  • Childhood Friend Romance: With Ichika.
  • Childhood Marriage Promise: She made a promise with Ichika in which she'd treat him to food everyday if she got better at cooking (the implication being that they'd get married). Ichika, ever Oblivious to Love, took her words literally.
  • Child Soldier: In episode 1 of season 2, Rin mentions having been given sniper training just like Laura, when at a shooting gallery stand.
  • Class Representative: For Class 1-2.
  • Clingy Jealous Girl: Houki and Cecilia hate her instantly for being a childhood friend of Ichika, but she also hates it when the other girls get close to him, particularly Houki and Charlotte.
  • Cute Bruiser: While she does have cannons with medium-range capabilities, her IS suit is melee-oriented.
  • Cute Little Fangs: Especially visible when her smile turns from cute to cruel and murderous.
  • Detached Sleeves: Her custom Academy uniform.
  • Dual Wielding: Her Shenlong's Souten Gagetsu, a pair of swords that can be combined to form a lance-like weapon.
  • Dull Eyes of Unhappiness: When slipping into Yandere mode.
  • Get a Hold of Yourself, Man!: Gives Houki one of these to snap her out of her Heroic BSOD.
  • Genki Girl: Upbeat and energetic in disposition; disturbingly enough, even when she is angry enough to want to kill Ichika she is upbeat and happy.
  • Genre Savvy: The only one out of Ichika's harem to recognize just how much of a Lethal Chef Cecilia is. Thus, when Cecilia ropes her into teaching her how to cook, Ling makes sure to monitor everything Cecilia does while cooking, which Houki & Charlotte made the mistake of not doing.
  • Girlish Pigtails: See above pic.
  • Green Eyes: See above pic again.
  • Hair Decorations: Two yellow ribbons.
  • Just Friends: With Ichika, who's completely clueless about the implications of the aforementioned Childhood Marriage Promise.
  • Multiform Balance: Her IS is armed with a pair of Impact Cannons on the shoulder armor and the aforementioned Souten Gangetsu.
    • Mid-Season Upgrade: Gains a couple more Impact Cannons for their counterattack against the Silver Gospel.
  • New Transfer Student: A few days right after Ichika, but was introduced to Class 1-2.
  • Not Even Bothering with the Accent: Played straight.
  • Parental Abandonment: Her parents divorced due to differences, and the restaurant Ichika usually visits had closed down, forcing her to return to China, where she was scouted as an IS pilot. The first manga series showed that she was living with her uncle prior to enrolling in the IS academy, but even he didn't seem to be home very often because of his duties as a People's Liberation Army officer.
  • Patient Childhood Love Interest: Was already friends with Ichika before the start of the story (although at a later time than Houki).
  • Qipao: Wears one in Season 2 as part of the school festival.
  • Shoulders of Doom: Sort of; the Impact Cannons are positioned slightly above her shoulders
  • Shout-Out:
  • Those Two Girls: With Cecilia.
  • Spell My Name with an S: The first season spelled out her name as "Fan Rinin" on a computer screen. The second season's opening clearly spells it as "Huang Lingyin." The former is the Japanese reading of her name, while the latter is Mandarin.
  • Tsundere: Swings between Type A and B, but such trait is not that much given emphasis.
  • Yandere: Busting through a wall and attempting to kill Ichika after Charlotte admits to her true gender (with most of the school knowing that she and Ichika took a bath together the previous day) counts as this. She also seems to have no qualms about hitting Ichika with her IS weapons even when he's unarmed.
    • Then there's this conversation between her and Cecilia while peeping at Ichika and Charlotte going shopping together.
      Rin: Are they holding hands?
      Cecilia: Yes.
      Rin: "Ah, then it wasn't an illusion or a daydream.
      [Rin summons her Shenlong's right arm part]
      Rin: Let's kill them!
  • Zettai Ryouiki: Grade C in her uniform (see picture above), Grade S in her IS pilot suit.

Charles/Charlotte Dunois

Voiced by: Kana Hanazawa (Japanese) and Shannon Emerick (English)

Representative from France and the only other male in the world that can pilot an IS... or is he?
  • Ace Custom: Rafale Revive Custom II is actually a heavily modified 2nd-generation mass production IS.
  • Affectionate Nickname: Ichika begins calling her Char after the gender reveal, which she quite accepted wholeheartedly.
  • Ambiguously Gay: Frequently blushes around Ichika (especially when they get too close for comfort). Of course, this is a Foreshadowing of his... er, her true gender.
  • Badass Adorable: Made all the girls swoon during her first introduction as Charles.
  • Bash Brothers/Battle Couple: With Ichika. During the duel with Laura they perfectly cooperated, taking advantage of the latter's IS's weakness and capabilities of their own ISs.
  • Bare Your Midriff: Played straight during her stint as Charles. Averted after the gender reveal.
  • Beware the Nice Ones: Is the kindest, sweetest girl you'll ever meet, with the smile of an angel. Just don't piss her off (or cheat on her), lest her smile will turn into that of the Angel of Death.
  • Bifauxnen : When she was forced to don a male persona, Charlotte can pass for a kindly handsome (if effeminate) boy who can set girls swooning with love. To drive the point home, when being requested to work as a waitress at a café, the owner decides to give her a butler outfit instead of a maid costume, stating she looks better in the former, despite being aware that Charlotte's a girl.
  • Bishie Sparkle: During her first introduction to the class as Charles.
    • Again when temporarily acting as a waitress in a butler outfit.
  • Bokukko: Her training to use the polite-masculine pronoun "boku" to refer to herself in Japanese stuck, even after she no longer has to maintain a male facade.
  • Breakout Character: She is so unbelievably popular among the fans that she is the first character to receive her very own spinoff web-released manga series, IS: Sugar and Honey.
  • Catch Phrase: "Ichika no ecchi." ("Ichika, you pervert.")
  • Char Clone: She is blonde, has an Ace Custom IS, and most of all nicknamed as Char.
  • Clingy Jealous Girl: For all her kindness, she definitely is one, and willing to join the other girls' jealous antics.
  • Covert Pervert: A little bit. For example, he changes clothes in the same room as Ichika even when there's really no reason to. To the surprise of absolutely no one, Doujinshi took this and ran with it.
    • At least one doujin was written by the author (technically making this semi-canon), involving a... colorful daydream.
  • Dangerously Short Skirt: While her school uniform skirt isn't really that short, in Season 2 Episode 6, a malfunction in her IS Suit somehow "turns off" the Magic Pants function (where an IS user returns to wearing the clothes she was before using her IS Suit). Fortunately, it only seems to affect a single article of clothing. Unfortunately, said article of clothing is her underwear. Even more unfortunately, any time she tries to put on another pair, it dissolves into energy (like her IS Suit does when she isn't using it).
  • Disappeared Dad: She only got to see her dad for the first time shortly before attending the Academy.
  • Everyone Looks Cuter If French: She has her moments, oftentimes with a French-sounding Leitmotif and a dash of Bishie Sparkle...
  • Fire-Breathing Diner: Nearly becomes one after trying a piece of pure wasabi. Still, her reaction is really cute.
  • Genre Savvy: Understands the subtext of hand-feeding quite well, then makes Ichika do it to her soon afterwards. She also has no difficulty detecting the other girls' feelings towards Ichika, like when she notices Rin and Cecilia peeping on her swimsuit-shopping trip with him. She is also aware of Ichika's cluelessness, and the fact that he probably "cares too much" for his sister.
  • The Glomp: Laura's Cuteness Proximity when she puts on cat pajamas in season 2 is so strong that Charlotte immediately glomps her.
  • Gratuitous French: In the dub.
  • Guns Akimbo: Can easily pull this off due to the multitude of weapons her IS can carry.
  • Hair Decorations: A single pink ribbon tying her lightly-braided hair at the end.
  • Heroic Bastard: Her back story as the illegitimate daughter of the president of a French IS manufacturing corporation makes her this.
  • Heterosexual Life-Partners: With Laura.
  • Hidden Buxom: As Charles, she wears something akin to a girdle to suppress her breasts.
  • Hyperspace Arsenal: Her Rafale Revive Custom II isn't nearly as fast or powerful as other personal ISs, but has a massive capacity for weapons and equipment specific for any situation. Normal ISs can carry around two or three different weapons. Rafale Revive II can carry over twenty, and he can also unlock their access for other IS users.
  • I'm Taking Her Home with Me!: So gentle, sweet, cuddly and adorable that this is the reaction she provokes from fans of both sexes, on both sides of the fourth wall.
  • Leotard of Power: Post-Unsettling Gender-Reveal, a standard female outfit.
  • Lovely Angels: With Laura when stopping a bunch of robbers in a restaurant.
  • Missing Mom: Her mother has already passed away before her introduction.
  • The Mole: She was originally sent to gather data on Ichika for her father's company to collect. Of course, once she was found out she may risk imprisonment, but Ichika assures her that her stay at the Academy would at least give her some sort of asylum.
  • More Dakka: Rafale Revive Custom II is equipped with around twenty different guns all stored in Hammer Space.
  • New Transfer Student: Twice. She gets a do-over when she reveals her true gender.
  • Nice Girl : Gentle, polite, sweet-tempered and kind to a fault, Charlotte is the only girl of the initial-five harem who is not a violent-tempered, self-centered, emotionally-insincere and domineering Tsundere.
  • Noodle Incident: Ichika stripping Charlotte of her panties while trying not to look at her while changing together in their room. The DVD releases rectified it, showing that when Ichika heard her fall to her knees in a very awkward position while changing, he was about to stop her from letting out a scream. Unfortunately, he stumbled as well and accidentally grabbed her panties in the process.
  • Not Even Bothering with the Accent: Played straight in the original sub, averted in the dub.
  • Only Sane Man: In addition to being neither a Jerk with a Heart of Gold, a Tsundere, or a Yandere, Charles often lampshades Ichika's romance-wise stupidity.
    • Unless one of them tries to kiss him... just ask Houki.
    • Sometimes, it seems that Charlotte is the only girl in the harem who isn't on an around-the-clock quest to get into Ichika's pants.
  • Parental Abandonment: The illegitimate child of a French IS company CEO and a country woman, who already died. And the father doesn't care about her one bit.
  • Pile Bunker: Her IS has one hidden in its left shield.
  • Playboy Bunny: Got roped into wearing a set in Chapter 11 of the Sugar & Honey spin-off (by Tatenashi, no less.)
  • Proper Lady: The sweetest, gentlest and nicest girl of the main cast, who ironically still uses the masculine profile of "boku" even in private with Ichika, the only time it's safe to be a real girl (at least until she finally comes out of her shell at the end of Episode 8). Justified since her father had her memorize the masculine dialogue.
  • Purple Eyes: See above pic.
  • Quick Draw: Her IS utilizes the Rapid Switch ability to draw out weapons at a faster rate.
  • Shipper on Deck: Is actively encouraging Laura to get closer to Ichika. May have something to do with the fact that unlike her, who at least knows her parents, Laura is an artificial human who knows next to nothing of such concepts as love or compassion (except maybe that specific "no woman gets left behind" type).
  • Shout-Out:
    • After the mass Unsettling Gender-Reveal, Ichika begins calling her Char.
    • She also shares a family name with The Bastard of Orleans, Count of Dunois.
  • Shower of Awkward: How Ichika finds out her true gender with a Full-Frontal Assault.
  • Spell My Name with an S: So, was it "Dunois", or "Dunoa"?
    • As to her IS, was it Rafael, or Rafale?
  • Squee: Exhibits this reaction in the first episode of season 2 upon persuading Laura to purr like a cat.
  • Sweet Polly Oliver: Has to pretend to be a boy to spy on Ichika as per her father's orders.
  • The Tease: Charlotte has stripped in front of Ichika twice and even joined him in a bath.
  • Tranquil Fury:
    (After Ichika almost kissed Houki) "Ichika, what are you doing?"
  • Tsundere: A Type B like Houki and Cecilia, only a bit more subtle. The only time when her harsh side comes out is when Ichika is being particularly thick or when she gets extremely jealous.
  • Unsettling Gender-Reveal: To Ichika on Episode 5, and three episodes later, to the entire class via Yamada-sensei. Obviously some girls (especially Lingyin) didn't take the implications well, especially considering it was known to everyone that she (as Charles) shared the public bath with Ichika the previous day.
  • Weak, but Skilled: Rafale Revive Custom II is a heavily modified 2nd-generation mass production IS. However, her skill allows her to keep up with the rest of the main cast, all of whom use 3rd-generation (4th-generation in Ichika's and Houki's case) prototypes upwards.
  • Zettai Ryouiki: Grade A in her IS Pilot suit after the gender reveal.

Laura Bodewig

Voiced by: Marina Inoue (Japanese) and Tiffany Grant (English)

German representative and Captain of its military IS corps Schwarzer Hase ("Black Hares"). Chifuyu used to train her during the former's time in Germany, and initially despised Ichika for being too weak and causing Chifuyu's early retirement.

  • Adorkable: Post-meltdown. Her lack of social skills make almost any social interaction awkwardly cute.
  • Amazon Brigade: Was the CO of Germany's IS unit Schwarzer Hase ("Black Hares"), whose members wear eyepatches on their left eye.
  • Arrogant And Proud Pilot Soldier Girl: She isn't very fond of the idea of the ISs being used as a form of combat sport, like at the Academy. She really likes to express that opinion in battle as much as allowed.
  • Artificial Human: She was grown in a vat and genetically engineered to be the ultimate soldier.
  • Awesome, but Impractical: Her Schwarzer Regen's Active Inertia Canceller (AIC) can block any attack, beam-based or not, including a high-powered shot from Rin's Impact Cannons. The catch — it relies on Laura's concentration abilities, making her susceptible to multiple enemies.
    • It may have worked during her match with Cecilia and Rin, as both went long-range... but not so much with Ichika and Charles, who threw her off-guard by combining melee and long-range.
  • Ax-Crazy: She gets better... big time.
  • Badass: Delivering a Curb-Stomp Battle to two personal IS users definitely counts.
    • Badass Adorable: Post-meltdown.
    • Badass Arm-Fold: Poses like this after having been shot by one of Cecilia's missiles (and escaping without even a scratch), during her two-on-one impromptu match with Cecilia and Rin.
  • Beautiful Dreamer: The sight of her literally dressed as a sleeping kitten is so weapon's-grade cute that Charlotte could not bring herself to wake her up to taste Cecilia's food...
  • Bedmate Reveal: To Ichika while naked.
  • The Berserker: Her Schwarzer Regen's Valkyrie Trace (VT) System was meant to increase an IS's performance by mimicking previous Mondo Grosso champions (e.g. Chifuyu). However it went rogue due to Laura's brief mental breakdown upon realizing that Ichika and Charlotte exploited her AIC's weakness and turned the tide of the battle against her. No wonder research, development and application of the VT System is strictly banned.
  • BFG: Her Schwarzer Regen's rail gun is massive.
  • Blade Below the Shoulder: Her IS has two energy blades attached to its wrists.
  • Bring It: To Rin and to Cecilia.
  • Cannot Spit It Out: Averted. She hates Ichika, so the first thing she does is slap him across the face. In battle, she always goes straight for him (which he and Charles quickly learn to take advantage of). She worships Chifuyu, and pretty much states it outright. And when she realizes she's in love with Ichika, she does state it outright, and makes absolutely sure it cannot be misinterpreted.
  • Child Soldier: Segments of it can be seen in episode 8 of season 1, when she has a Flash Back of her training days back in Germany. She also explicitly states that she's in the German Army's IS corps and more or less asks them for advice, such as what to wear at the beach.
  • Clingy Jealous Girl: Normally averted. When she sees Ichika and Charlotte out on a date, she just decides to join them (though Rin and Cecilia stop her). Played straight when she sees him Almost Kiss another girl, though.
    Laura: You're not paying enough attention to being my wife!
    • In the first episode for season 2, she invites him out to a pool date, only to get upset at him when he suggests inviting the other girls. Then in episode 2 of season 2, she walks in on Tatenashi forcing Ichika's head down in a Lap Pillow. She immediately summons one of her IS blades, and attempts to attack him with it, only for Tatenashi to deflect it effortlessly with her iron fan.
  • The Comically Serious: Because she lacks any social skills a lot of her humor derives from misreading every situation.
  • Corner of Woe: Ends up in one in season 2 episode 7, after having been scolded by Chifuyu, and being told that the latter could not accept her as her sister-in-law.
    Laura: Instructor hates me. Instructor hates me. Instructor hates me...
  • Cuteness Proximity: Accidentally invokes this when wearing a cat pajama suit. Charlotte, who is also wearing one, ends up hugging her from behind and has her say "nyaa/meow".
  • Cuteness Overload: Totally caught off-guard by a pair of bunny-shaped sweets.
  • Defeat Means Friendship/Defusing the Tyke Bomb: Played straight after the VT system incident.
  • Defrosting Ice Queen: More like having gasoline poured all over her and set alight in a single episode.
  • Expy: Hmmn... A female super soldier with silver-gray(-ish) hair and initially a cold shoulder... Now where have we seen this before? Also to note, she also has a gold eye, much like one of the main characters from the same series.
    • As to her IS, the setup of its rail cannon is evocative of the Throne Eins from the same series.
  • Electronic Eye: Her golden left eye which activates the VT system.
  • Eyepatch of Power: It covers the golden eye she uses to increase her efficiency with the IS.
  • Fangirl: Manages to stand out in a school filled with Chifuyu fangirls.
  • First Kiss: She steals Ichika's first kiss. While still onboard her IS. In front of the entire class.
  • Flawed Prototype: Chloe Chronicle refers to her as "incomplete," whatever that means.
  • Germanic Efficiency: She is raised first and foremost as warrior, a duty she excels in... ...at the cost of being taught none of the skills essential to being a normal girl, like making friends or understanding the concept of what a marriage is.
  • Giant Poofy Trousers: As part of her Custom Uniform. See Putting on the Reich.
  • Gratuitous German: In the dub.
  • Happily Married: Her fantasy in the World Purge has her married to Ichika with three children.
  • Heterosexual Life-Partners: With Charlotte, whom she even refers to as her "War Buddy".
  • Idiot Hair: Has one sticking over her forehead (see above pic).
  • Insistent Terminology: Ichika is her bride, thank you very much!
  • Jerkass: Pre-meltdown.
  • Knife Nut: Seems to be her Weapon of Choice apart from her IS. She wields some in season 2 during the Cinderella play, and seems rather good with them. Then later we see she has an entire locker full of them! Fortunately they're all properly secured in holsters.
  • Large Ham: Interestingly, she is probably the biggest ham in the show, second only to Tabane Shinonono. Witness, for instance, her holding up a pair of bloomers in the second season as if they were some kind of priceless treasure.
  • Lovely Angels: With Charlotte when stopping a bunch of robbers in a restaurant.
  • Love Redeems: So much after her defeat, that she took the initiative and planted a kiss herself.
  • Madness Mantra: In Volume 8, the false Ichika in her World Purge fantasy devolves into repeatedly telling her "Do your best" which extends to "Do your best to fight on & kill." The fantasy is hinted to be a coverup for her insecurities in being a living weapon.
  • Megaton Punch: Gives one to Ichika (with her IS's right arm deployed) in season 2 episode 6, after Ichika made a favorable comment about her eyes which got her all flustered.
  • Mid-Season Upgrade: Her IS gets a long-range artillery set-up for its main cannon (complete with recoil dampers) for their counterattack against the Silver Gospel.
  • Mistaken for Gay: At the end of Volume 3 Chapter 1, her Schwarzer Hase teammates were really surprised she was interested in Ichika, because they'd all thought she was hot for Chifuyu.
  • New Transfer Student: The day after Charles' introduction in the anime. In the novel, they were introduced at the same time.
  • No Social Skills: A side effect of being raised by the military since birth.
  • Not Even Bothering with the Accent: Played straight in the original sub, averted in the dub.
  • Parental Abandonment: Raised in a military environment, with no parents in sight.
  • Putting on the Reich: Her pants mostly. But much more prevalent on her teammates from the Schwarzer Hase (style of their uniform, their caps, AND their armbands).
  • Red Eyes, Take Warning: Her Ax-Crazy tendencies, immense hostility to Ichika, and her No-Holds-Barred Beatdown of two of his friends pretty much define her character before the Inter-Class Tournament. So she comes across as more than sinister and definetly darker and edgier than the rest of the cast. She gets better after the tournament.
  • Red and Black and Evil All Over: The Schwarzer Regen's color scheme. Only gets subverted upon her defrosting.
  • Rei Ayanami Expy: Vat-grown clone, check. Emotionless, check. Obedient, check. Becomes much more sympathetic once you get to know her, check.
  • Serious Business: Swimsuit shopping. She calls Clarissa Harfouch, her second-in-command during her days at the Schwarzer Hase, for advice, and it's freely given. Which makes sense. Bonus points — Clarissa is an Occidental Otaku.
    • Clarissa strikes again in the second season when she advises Laura to pick out an excellent pair of striped panties to flash Ichika with. Cue Laura immediately making finding a pair of hot stripes panties her top priority, to the point where she shoves a striped panties catalogue in Ichika's face and asks which one he likes best.
  • She Cleans Up Nicely: She laments that she's not attractive to men, as evidenced by Ichika's apparent lack of interest in her. When she's wearing fairly normal clothing, such as her swimsuit in episode 9 of the first season, or a regular dress in episode 1 of season 2, she does look pretty. Some other shoppers in the latter example even take pictures of her and Charlotte after she nearly trips wearing high heels for the first time.
  • Skinship Grope: Gives one to Charlotte in the Sugar & Honey web manga due to a dash of A-Cup Angst against her.
  • Sleep Cute: She is adorable when sleeping in the cat pajamas Charlotte gave her.
  • Spell My Name with an S: While her IS's name is spelled (in the Light Novels and in this site) as Regennote , the heads-up displays use Roegen instead.
  • Super Soldier: She was genetically engineered and raised from childhood to fight.
  • Tyke Bomb: She may be the shortest among Ichika's harem, but she is also one of the most combat-capable.
  • Wacky Marriage Proposal: Due to having No Social Skills.
    (To Ichika, after having given him a Forceful Kiss) I hereby declare you as my wife! It has been set in stone; I will not accept objections!
  • What Beautiful Eyes: Ichika certainly seems to think so after the second time he gets to see her without her eye patch on. Unfortunately for him, this got her very flustered, to the point that she threw a Megaton Punch on him.
  • White-Haired Pretty Girl: Well, silver-haired to be more precise (see above pic)
  • Wrestler in All of Us: Puts Ichika in an armbar. While naked in Ichika's bed. And thought he wanted to practice CQC...

Tatenashi Sarashiki

Voiced by: Chiwa Saito

Russian Cadet Representative to the IS Academy (though apparently half-Japanese) and currently the strongest IS user in the Academy, warranting her the position of Student Council President. She's the pilot of the third-generation IS, Mysterious Lady.
  • The Ace: Good at pretty anything she does on screen.
  • Asskicking Equals Authority: She is one of the better, if not the best, IS pilots at the school. So much so that she delivered a Curb-Stomp Battle to Autumn when the latter attacked Ichika.
  • Badass Adorable: Compared to Houki, Cecilia, Rin and Laura, Tatenashi is a bright, cheerful and infectiously likable ray of sunshine.
  • BFG: She used a long-range cannon in the last episode of Season 2 to take out the airborne Squall, breaking the latter's helmet in the process.
  • Bodyguard Crush: For Ichika, unto whom she was temporarily assigned to protect after the Silver Gospel incident.
  • Boobs of Steel: The best IS pilot in the academy, and one of the bustiest girls in the series. She's actually second in size to Houki and is mildly put off by that... for about ten seconds before going back to her cheerful self.
  • But Not Too Foreign: Implied to be half-Japanese — in fact, her name is written in kanji instead of katakana. The light novels suggest that ethnically, she is fully Japanese but she simply has Russian citizenship.
  • Charles Atlas Superpower: Stopped Laura's Laser Blade with a paper fan.
  • Cool Big Sis: Affectionately caring and kind, Tatenashi wants nothing more than for her juniors to have a fun and happy childhood; something (much to her regret) she failed to give to her own little sister.
  • Drill Sergeant Nasty: Puts Ichika into heavy training to shape him up, leaving him exausted afterwards.
  • Expy: In the anime, she looks quite a bit like Meia Gisborn from Vandread. Unlike Meia though, she is slightly more lively.
  • Good Bad Girl: In stark contrast to every other girl in this franchise, Tatenashi is completely frank and comfortable with her sexuality, knows and openly-acknowledges that she is cute-and-sexy while enjoying every second of it. While she enjoys getting a rise out of chaste Sour Prudes like Ichika and Houki, she is ultimately too good-natured and kind to go beyond anything more than harmless teasing.
  • Green-Eyed Monster: In episode 8 of season 2, she admits to Ichika that she's a little jealous of his relationship with his sister Chifuyu. When Ichika wonders what she means, due to Chifuyu's constant sternness with him, Tatenashi tells him that it means she's at least looking out for him, unlike her own relationship with her sister Kanzashi.
  • Happy Ending Massage: Invokes one from Ichika in Season 2, much to his displeasure.
  • Jousting Lance: Her IS's primary weapon.
    • Cast from Hit Points: Her IS's one-off ability, Lance of Mysteltainn works similarly to Reiraku Byakuya, in which the water-based nanomachines gets concentrated towards the tip of her lance for a sudden offensive boost, in exchange for a decrease in overall defense.
  • Lemony Narrator: Her narration of the Cinderella play in episode 3 of season 2, especially when Ichika tries to give his crown to Charlotte, only to have Tatenashi remotely shock him while claiming his own doubts are doing it due to the love of his country. note 
  • Lovable Sex Maniac: Stops just short of the "sex" part, and only just barely. See Good Bad Girl above for more details.
  • Marshmallow Hell: While she's shorter than Ichika, she's subjected him to this a few times.
  • Naked Apron: When she first moves into Ichika's room. At least she was wearing a swimsuit under it, if a skimpy one.
  • Nanomachines: Mysterious Lady's special feature; it uses nanomachines to control (or in some instances, weaponize) water. It even works on water vapor, as Autumn's Arachne found out the hard way.
  • Nerves of Steel: Never loses that winning smile or her happy-and-cheerful dispositon, even when bound by spider-web and thrown across a room with enough force to dent steel lockers.
  • Paper Fan of Doom: Carries a small fan with her at all times, which can apparently stop Laser Blades.
  • Proper Tights with a Skirt: Wears a pair like Cecilia (See pic above.)
  • Red Baron: Squall identifies her as the "Impenetrable Mist of Moscow."
  • Red Eyes, Take Warning: The best pilot in the academy, who happens to have piercing red eyes.
  • Rei Ayanami Expy: Red eyes, aquamarine hair, so she at least got the appearance, as well as the piloting skills. Subverted big time by her personality.
  • Sensual Slav: Sort of subverted since she's (may be) biologically half-Russian. Plays the "sensual" part straight towards Ichika, though.
  • Screw the Rules, I Make Them!: Used her position to become Ichika's new roommate. She also abuses this power to allow another girl to move in with him on the condition that they can take his crown during a play. Needless to say, every single one of the girls tries very hard to get it. And she conveniently neglected to tell Ichika...
  • Shameless Fanservice Girl: She likes to tease Ichika - a lot.
  • Skinship Grope: Gives one to Houki in season 2, when she requested her to be her partner in the Tag Tournament
  • Student Council President: Comes with the perks of being the strongest IS pilot in the Academy.
  • Talking with Signs: Her fan sometimes displays words to suit the situation. Does it out of coolness.
  • The Tease: Which doesn't sit well with Ichika. Or Laura.
  • Troll: Part of her teasing act is to goad a reaction out of Ichika or his harem. There's also baiting the entire school to steal the crown that he is wearing in hopes of being his roommate, only to take the crown and deem herself the winner.
  • You Gotta Have Blue Hair: Well... Aquamarine to be more correct.

Kanzashi Sarashiki

Voiced by: Suzuko Mimori

Tatenashi's younger sister, and Japan's official IS cadet representative. She is a quiet, socially withdrawn girl who prefers to immerse herself in her IS and anime.
  • Adorkable: Clumsy, shy and cute.
  • Armor-Piercing Slap: Gives one to Ichika by accident.
  • Berserk Button: For all her angst against her sister, Kanzashi loses it when she sees her sister lying defeated in episode 9 of season 2 by the unmanned IS suit. While it does enable her to defeat one of them, she used up all her energy, and another unmanned suit has easily taken care of Ichika, and throws him around while she watches helplessly.
  • Can't Catch Up: She tries to work on her own IS suit without help, but is unable to do it. She ends up reluctantly accepting help from Ichika and several of the other girls, but finds out that him being nice to her was simply because Tatenashi wanted to secretly help her build her suit. She doesn't take the revelation well when she overhears her sister talking to Ichika about it in episode 8 of season 2.
  • Class Representative: For Class 1-4.
  • Custom Uniform: Looks more or less like the normal IS uniform, the only difference being the floral borders on the skirt edges and the unique-looking "side pods" (see pic above).
  • Defrosting Ice Queen: She is hostile towards Ichika at first, due to her IS suit being put on hold while one was built for him first, and refuses to be his partner for the tag-team tournament in season 2. However, due to his persistence, and saving her when her IS suit malfunctions during a test, she begins to reluctantly accept his help.
  • Hair Decorations: A couple of hair clips to match the skirt-mounted side pods.
  • Hikkikomori: She's socially awkward, watches Sentai anime meant for people half her age and is generally Not Good with People.
  • Macross Missile Massacre: Her Uchigane Type-2 's Mountain Storm, which launches a heapload of missiles.
  • Meganekko: Has a pair of oblong glasses.
  • Multicolored Hair: She has a somewhat paler hue of hair compared to her sister's, which turns into a brighter aquamarine hue in the tips.
  • Otaku: She's a fan of Sentai anime, as shown when she watches an episode under the covers of her bed.
  • Red Oni, Blue Oni: The blue to her sister's red.
  • Rei Ayanami Expy: Fits this mold much more closely than her sister, being the quiet, stoic one as opposed to Tatenashi's Genki Girl.
    • Sugar and Ice Personality: Until she gets figurative molten lava poured over her and defrosts in the span of a single episode.
  • Rescue Romance: She really starts warming up to Ichika after he saves her from crashing after her IS malfunctions.
  • Shrinking Violet/Shy Blue-Haired Girl: Big time.
  • Sibling Rivalry: She doesn't really get along with her older sister, to the point that when Tatenashi asks Ichika to be Kanzashi's tag-team partner to better protect her, she asks him to make no mention of her. She seems to get over this at the end of episode 9 of season 2, when Tatenashi tells her that she never looked at her sister that way, and always respected her abilities, and nearly died protecting her earlier.
  • Wave Motion Gun: Her IS has a couple of particle cannons mounted on her waist.
  • You Gotta Have Blue Hair: Well, like her sister, aquamarine.

Honne Nohotoke

Voiced by: Mai Kadowaki (Japanese) and Monica Passley (English)

Honne is a frequently sleepy girl usually dressed in a hooded pajamas. She's a recurring side character whose name was only revealed in the fifth light volume.
  • Hand-Hiding Sleeves: Her most distinct characteristic. Everything she wears has sleeves too long for her.
  • Meido: She and her older sister are both revealed to be under Tatenashi's service.
  • Mascot: Is essentially the one for Class 1-1.
  • No Name Given: Until season 2 episode 8 which led to a case of...
  • Only Known by Their Nickname: In the early volumes of the light novels Ichika calls her "Noho-hon", or in English "Anyhow-san". Turns out this actually was a play off her real name, that she took as endearing. He did this before knowing that her name was actually "Nohotoke".
  • The Nicknamer: She calls Ichika 'Orimu' instead of 'Orimura-kun'.
  • Recurring Extra: With the rest of her three-girl posse.
  • Sleepyhead: She is usually depicted as sleepy and/or slow moving, and wears her pajamas on a nigh-constant basis.
  • Those Three Girls: With two other unnamed girls in both the anime and light novels.
  • Wrench Wench: She turns out to be one of the mechanics who helps fix Kanzashi's IS suit in season 2 episode 8.

    Teachers 

Chifuyu Orimura

Voiced by: Megumi Toyoguchi (Japanese) and Luci Christian (English)

Ichika's 24-year-old sister and herself a retired IS ace, as well as head teacher of IS Academy's Class 1-1, where Ichika, Houki, Cecilia, Charles and Laura are placed. She gained popularity for her skill with a katana, with which she won the 1st Mondo Grosso Tournament, only to disappear after forefeiting her title defense at the 2nd Mondo Grosso to save the kidnapped Ichika. During her hiatus, she went to Germany to train IS pilots (one of which was Laura) as repayment for the German army's contribution to her rescue of Ichika.
  • Ace Pilot: She won the first world-wide tournament for IS pilots, and was the runner-up in the 2nd (only because she didn't show up for the match). Yet years later, she is still regarded as the best.
  • Aloof Big Sister: To Ichika, especially at the school where she doesn't believe in showing him favoritism despite him being the only male amongst an entire school of female pilots. The fact that she's a world class pilot and he didn't have any sort of preliminary training beforehand doesn't help either.
    • Subverted once in a while when she sees Ichika in real danger and she can't do anything about it. Usually she becomes even colder and aloof but she'll do things like pour salt instead of sugar into her coffee or sport Death Glares at no one in particular.
  • Aloof Dark-Haired Girl: She's tall, raven-haired and a Stern Teacher who's also admired by most of her students in the academy. She also hates being teased.
  • Asskicking Equals Authority: She won the first world-wide IS Tournament handily as Japan's Representative and is revered as one of, if not the best, IS pilot of all time. She is now a prominent teacher at the Infinite Stratos Academy and prior to that, became Germany's official IS instructor to their special IS squad for a year. When it comes to matters pertaining to the IS, even other instructors will take notes from her.
    • She invokes this to her students, who didn't think much of her co-instructor Maya Yamada, who was also a Representative Candidate in her day. She had Cecilia and Rin (both personal IS users) fight Yamada (who was also in an inferior suit) 2 on 1. They lose - badly.
    Chifuyu:"Now you all know what your instructors are capable of. Knowing that, show them the proper respect."
  • Badass: If winning the 1st Mondo Grosso armed with nothing but a Laser Blade isn't badass enough, then what else?
    • To add to that, she is rumored to be the insanely strong IS pilot, 'The White Knight' who saved Japan when the country was being targeted for destruction by 'rogue' ICBMs years ago. Since Tabane unveiled the Infinite Stratos technology ten years ago, that would have made her age 14 at the time.
    • Badass Normal: First on-screen act she performs is wielding a BFS made for an IS unit by itself and stops Laura's energy blade with ease.
    • In Volume 8, she takes on an IS on foot with a special anti-personnel body suit and six modified katanas. Granted, none of her attacks managed to really damage the enemy IS, the pilot couldn't even touch her until the very end. Also her Badass Boast just prior to taking on the enemy IS pilot is its own awesome:
    “Bring it on. You’re standing in front of the First-Generation's Brunhilde, the first woman to attain the title of "Strongest", so just focus entirely on fighting me, ordinary soldier.”
    • And after the crisis is over, she identifies Chloe's projection skills when confronting her and breaks the illusionary White Void Room she's trapped in with a spoon.
  • Big Sister Instinct: Her little brother is kidnapped!? Screw the Mondo Grosso title defense, time to save Ichika!
    • While it gives him no small amount of grief, she enrolled him into IS Academy to keep the storm of corporate and government recruiters off his back and where she can keep an eye on him. She also assigns him a high-level bodyguard when she thinks that someone will attempt to steal his IS' core - she was right. From the hints from her talks with Maya, she would have preferred to do it herself if not for her lack of an IS.
    • Also has hints of My Brother Is Off Limits — she's fully aware of Ichika's Unwanted Harem and their affections towards him, but she's making it clear she's not simply letting them have their way with him.
  • Cool Big Sis: In the eyes of her students, she is sometimes seen with this dynamic with Ichika. Not to the viewpoint of the latter's harem, though...
  • Deadpan Snarker: Which Ichika picks up from her:
    Chifuyu: "It's really quite a sight to see so many idiots gathered here every year. Are they all coming just for my class?" Cue Fangirl Squeeing.
  • Dope Slap: Does this to Ichika regularly and even to the students of her class if they annoy her enough. Granted she uses an attendance book but still...
  • Even the Girls Want Her:
    • Almost all of the girls in her class, and pretty much the school (save for Houki, Cecilia, and Ichika -at least until he saw her lingerie-like bikini; Charlotte sort-of lampshaded this...) admire her.
    • Even those she defeats end up swooning from her charisma and general badassery. When she finally freed a captured enemy IS pilot, the pilot hesitated to leave and even gave Chifuyu her personal contact number!
  • The Gadfly:
    • Rare due to her very professional demeanor but she is not as 'ice queen' as she once was and will occasionally tease her students. She did this with Cecilia, peeking at her 'erotic underwear' and attempted to do this with the girls by saying she wouldn't give up Ichika to them but they misinterpreted her meaning.
    • Also later on, when Ichika is given the task of taking his female classmate's measurements, she hands him a piece of cloth to use as a wrap over his eyes. He then discovers he can actually see through the fabric.
  • Genius Bruiser: While not at Tabane levels, one must assume that if she is able to correctly analyze and predict her opponent's equipment and purpose, their weapon aim and trajectory paths while keeping up the pressure on them using only a single melee blade, she is a very smart fighter. The info dump she hands to Ichika about some of the factors that go into an IS shooting battle has him slumped over in less than 30 seconds.
    • It only makes sense to learn how they fight and what factors into it so that she could come up with strategies to use against them.
  • Harem Nanny: In the anime, more or less... her duty as dorm warden makes sure she keeps Ichika's harem from going wild on her younger brother, for the most part.
  • Hot Teacher: Has received nothing but compliments about her model-like figure.
  • It Runs in the Family: Piloting an IS seems to be in the blood of an Orimura. Just ask Ichika. Or Madoka.
  • Katanas Are Just Better: Her Weapon of Choice. Her IS used the Yukihira Type-1 to win the first Mondo Grosso. She also has about 6 to 8 custom-made katana which she used in Vol. 8 to fight the Fang Quake I.S. On foot.
  • Masculine Girl, Feminine Boy: While Chifuyu is an in-universe Badass and is working full-time to support both herself and Ichika, she doesn't/can't cook or clean so Ichika takes care of the house and meals when they are home. Lampshaded to hell and back when his harem comes to visit and they see the Orimura siblings in their natural state.
    Charlotte: What is up with these two?
    Cecilia: They look a lot like a husband and his wife.
  • Married to the Job / Promotion to Parent: Ichika outright asks her in Volume 3 when she plans to get a boyfriend. Her answer is that she'll start looking once she's sure Ichika can provide for himself. Ichika then admits to himself that she is indeed responsible for covering 90% of their living expenses, so he can't really refute that.
  • Onee-sama: Most said girls (particularly her fangirls) refer to her as this.
  • Parental Abandonment: She and Ichika were abandoned by their parents.
  • Rapunzel Hair: In certain moments that her hair is not tied up (particularly during the Beach Episode in season 1, and that moment where she was roped into wearing a maid outfit in season 2), it reaches down to her lower back.
  • Red Baron: She has two nicknames but only one of them is publicly known: Brunhilde, which she got for winning the 1st Mondo Grosso; the other, Shirokishi aka The White Knight, would most likely cause an international incident if known.
  • Red Oni, Blue Oni: Blue to both Ichika's and Tabane's red.
  • Retired Badass: While she's teaching now, that doesn't make her any less capable and her presence still commands awe and respect from everyone around her.
  • Sacrificed Basic Skill for Awesome Training: Hinted by Ichika's inner monologue that Chifuyu doesn't really cook or clean so he does it for her, even her laundry.
  • Stern Teacher: Has no qualms about giving Dope Slaps to her students or to her own younger brother. Especially to her younger brother.
  • Teachers Out Of School: She sits all five members of Ichika's harem down during the beach field trip in season 1 to more or less grill them on why they're all so interested in Ichika. Meanwhile, she's chugging down can after can of beer while doing so. The novels spell out the girls' shock perfectly.
    This person in front of them now is completely different from the lawful and ridiculously strict 'Orimura-sensei', causing the girls to be dumbstruck, especially Laura, who continued to blink her eyes like mad as if she couldn't believe what she just saw.
    Chifuyu: "Stop giving me that weird look! I'm an ordinary person, of course I would drink beer! Do I look like I drink machine oil?"
  • They Call Me Mister Tibbs: Demands that the students call her Orimura-sensei on school grounds else they'll get dope slapped. Not even her own brother is excused.
  • Tsundere: She has shades of this for Ichika, which has been vaguely hinted at in Season 1 but is clearly seen in Season 2. In episode 4 of the latter season, after she tells Yamada that she had Tatenashi become Ichika's roommate due to an unspecified threat against him, the latter asks if she wanted to have been in that position instead. Chifuyu develops a Luminescent Blush, then denies wanting to protect her brother herself.
    • There's also the matter of her dressing up as a maid for his birthday and the non-stop blush she sported through the entire thing, even more after he teases her a bit afterward.
  • When All You Have Is a Hammer: Chifuyu won the first Mondo Grosso with nothing but her Yukihira... and now she's attempting to pass on her techniques and skill set to Ichika.
    • She'll also make judicious use of her attendance book for administering corporal punishment.

Maya Yamada

Voiced by: Noriko Shitaya (Japanese) and Cynthia Martinez (English)

Sub-teacher of Class 1-1 and herself a former national candidate whose skill never waned even after years on the sidelines.
  • Badass Adorable: Bright, sweet, cuddly and one of the deadliest warriors of her generation.
  • Beware the Nice Ones / Crouching Moron, Hidden Badass: An airheaded, ditzy teacher, right? Well, yes... but she's also a former national candidate with impressive piloting skills (notwithstanding her self-inflicted crash landing that gave Ichika a handful and faceful of her chest), as shown when she manhandles Cecilia and Rin at the same time with an inferior suit.
  • Boobs of Steel: Quite possibly the bustiest among the cast.
  • Curtains Match the Window: Green hair and eyes.
  • The Cutie: Her cheerful and sweet demeanor is more fitting of a grade-schooler half her age. Even her students find her to be cute!
  • Friendly Sniper: Her IS is mainly a sniper type and is colored green ala Lockon Stratos' mechs.
  • Fun With Palindromes: Her name in Japanese form (Ya-Ma-Da Ma-Ya) is completely symmetrical; spelt backwards, her name is still "Ya-Ma-Da Ma-Ya." Lampshaded by Ichika's monologues.
  • Gainaxing: The most blatant offender in the series.
  • Gatling Good: Chapter 8 of the light novels has her piloting the Quad Phalanx - a Turret-like Mecha Expansion Pack for the Rafale Revive with four Gatling Guns. Doubles as a Shout-Out of sorts to the OVA version of Gundam Heavyarms.
  • Genius Ditz: Don't let her bubbly and airheaded behavior fool you. She is a teacher of high-tech warriors for a very good reason.
  • Hot for Student:
  • Kawaiiko: Her behavior and appearance would indicate a bright and cheerful middle-school teenager were it not for her vocation as a teacher.
  • Meganekko: On top of being bespectacled, she possesses the adorable clumsiness characteristic of her stereotype.
  • Nice Girl: Has a disposition warm as a sunny afternoon and a winning smile that can stop wars (not to mention traffic)
  • Older than They Look: So bright, sweet and adorable she looks younger than her 15 year old students. Heck, in the first episode when she gets embarrassed in front of her class, the entire class Squees.
    "Aww, she's so cute!!"
  • Retired Badass: Was a former Cadet Representative during her student days.
  • Sensei-chan: Is more of a cheerful and adorable big sister to her students than an authority-figure proper.
  • Zettai Ryouiki: Actually has a Grade C with her blouse and knee-high shoes. (See above pic)

     Others 

Tabane Shinonono

Voiced by: Yukari Tamura (Japanese) and Allison Keith (English)

Houki's older sister and inventor of the IS suits.
  • Action Girl: She claims that the only one who could match her physically is the resident Badass Chifuyu.
  • Badass Adorable: Casually beats down all 3 members of Phantom Task, including "M" in her Silent Zephyrus, ON FOOT. When she needs to be deadly, only Chifuyu is her match, and even then only barely.
  • Beware the Silly Ones: When several members of Phantom Task attempt to attack her in episode 10 of season 2, she largely keeps her Genki Girl persona. However, at one point, her face does change from a cheerful one to a much more serious look as she proceeds to dismantle Madoka's IS while the latter is still wearing it.
  • Big Eater: She eats everything Chloe cooks for her, even if it's burnt or reduced to goo. In the restaurant, she was chowing down on spare ribs, wine, and soup in episode 10, and still wanted cake after that. In the novel, she also wanted to order hamburgers, curry, & Chinese cold noodles.
  • Bunny-Ears Lawyer: She sports mechanical bunny ears on her head that are quite "expressive". To add to the pun, her first major appearance in the series involves arriving in a... Giant Mechanical Carrot. Her bunny motif also serves as a Shout-Out since Yukari Tamura voiced a bunny (albeit a stuffed one) in another harem anime.
  • Christmas Cake: And more than likely in her mid-twenties considering she invented the entire IS technology more than 10 years ago.
  • The Chessmaster: Implied. She gives a mixed reaction to Chifuyu's hypothesis that it'd take a considerable intellect to hack twelve nations' computers simultaneously to fire over 2000 ICBMs at a helpless East Asian country only to save it with the introduction of a hyper-advanced exoskeleton-weapons system, confirms having rigged Silver Gospel so as to facilitate Houki's debut as a proper IS fighter, but denies setting up Ichika to become the first male IS pilot.
  • Cloudcuckoolander: Despite (or probably because of) being the infamous inventor of the IS suits, she is very weird.
  • Cool Big Sis: To Houki, though Houki doesn't particularly agree.
  • Crouching Moron, Hidden Badass: Goofy eccentric scientist? Check. Extremely powerful fighter who can single-handedly defeat an IS with her bare hands? Check.
  • Curtains Match the Window: Pink hair and eyes.
  • Dynamic Entry: Apparently her favorite method of crashing a party, but usually with a lot of noise (which subverts this trope's surprise element). One of her attempts was pacified by Chifuyu, with just one hand.
  • Face-Heel Turn: She decides to build an I.S. for Phantom Task after meeting Madoka Orimura.
  • Game Changer: This is a woman who invented a technology that changed the very nature of warfare.
  • Genki Girl: Always bright, always sunny and happy, always immature.
  • Hot Scientist: Has generous proportions that rival that of her little sister Houki's, accentuated by her choice of a revealing Cleavage Window blouse.
  • Hyperspace Arsenal: Summoning a missile launcher out of nowhere counts. Justified, since the ISs are built with this trope in mind.
  • I'm Taking Her Home with Me!: She says this to Madoka after she sees the latter's uncanny resemblance to Chifuyu. Interestingly, while she refused to provide IS suits for Phantom Task, she was more than willing to make one for Madoka, who is part of said group.
  • Incoming Ham: Her Dynamic Entries may qualify.
  • Insufferable Genius: Loves to remind people that she is a genius.
  • Jerkass: She loves her sister, Chifuyu, and Ichika. She couldn't care less about anyone else. When some of the girls complain that she's giving Houki (a mid-level pilot) the most advanced IS on the planet, her response is "Life's not fair. Get over it."
    Cecilia: I'm honored to meet so renowned a person! If you don't mind, would you take a look at my IS?
    Tabane: (in an ice-cold tone) Huh? Who the hell are you? I don't know any blondes. I was having such a fun reunion with Chi-chan and Ik-kun, and you just had to go and ruin it, huh? Get out of my face.
    Cecilia: Uh... um...
    Tabane: Shut up and go away.
    • Incredibly enough, the above exchange is noted to be an improvement in her social skills. Ordinarily, unless your last name is "Orimura" or "Shinonono", Tabane simply does not acknowledge your existence. At least she's actually responding to Cecilia above.
    • Adaptational Heroism: She is only this nasty in the orginal novels. The Anime on the other hand, opts to omit such unpleasantries, making her a completely sweet and goofy character instead.
    • The Volume 7 epilogue reveals that she is the one who keeps sending the unmanned Golem I.S. drones to attack the Academy! And it is solely so she can obtain real-world battle data about Houki. Never mind that she puts dozens of students' lives in real danger. The anime also reveals this in its final episode, minus the gathering data on Houki bit. That actually might make her more of a jerk since it seems like she did it solely because It Amused Me.
  • Kawaiiko: Much older than most, but nevertheless extremely cute.
  • Large Ham: Much like Midori Sugiura, another beloved role of her actress Yukari Tamura, Tabane's brain is permanently stuck in the loud, theatrical and melodramatic world of a Power Rangers episode.
  • Let's Get Dangerous: She could tell her soup was spiked with a tranquilizer seemingly by just glancing at it (in the novel, she drank all the poisoned soup but it didn't affect her). She then made all 3 members of Phantom Task her bitch in less than 3 minutes. One of them had a handgun and one of them was in an IS. Tabane was armed with... a butter knife and fork. All this while still being the complete goofball she is, never losing that winning smile. She also tells them the only person capable of matching her speed and skills is Chifuyu.
  • Mad Scientist: Oh she's smart, yes. Connected to the world of reality and maturity? Not so much.
  • Nerves of Steel: When three of the Phantom Task members attack her, she never loses her composure or her Genki Girl persona, and absolutely floors all three of them with little more than a butter knife, a fork, and a couple of swift kicks.
  • The Nicknamer: She refers to Chifuyu as "Chi-chan," and Ichika as "Ik-kun." She also calls Madoka Orimura "Madocchi," while Chloe Chronicle is "Ku-chan." The only person she calls properly by name is Houki.
  • No Indoor Voice: She's either on shouting mode or laughing mode, no exceptions.
  • Older than They Look: She invented the entire IS technology system over 10 years ago, and somehow still looks like an extremely cute girl who has just entered her twenties...
  • One of the Kids: She's quite childish compared to Houki, much to her and Chifuyu's chagrin. You could easily mistake her for Houki's younger sister.
  • Parental Abandonment: Due to her invention of the ISs in the first place.
  • Perpetual Smiler: In contrast to Houki.
  • Playful Hacker: Chifuyu hypothesizes that she may caused Silver Gospel's rampage just to help Houki's debut as a personal IS user.
  • Pop Cultured Badass: At the end of Volume 2 of the novels, her phone's custom ringtone for Chifuyu turns out to be the theme song to The Godfather. Another custom ringtone on her phone ( which is for calls from Houki) is a music track from the Japanese film The Yakuza Wives.
  • Rapid-Fire Typing: While adjusting her sister's new suit. With a holographic keyboard, no less.
  • Red Oni, Blue Oni: Red to both Chifuyu's and Houki's blue.
  • Shout-Out: In the anime, she makes a dramatic pointing pose reserved for a manly rousing speech, just to introduce her sister's own IS. The corresponding dialogue in the English dub sort of highlights this:
    Tabane: Now everyone, LOOK UP TO THE HEAVENS!
  • Sibling Yin-Yang: Whereas Houki is more serious, Tabane is very energetic.
  • Stealth Hi/Bye: On occasion.

Dan Gotanda

Voiced by: Makoto Yasumura (Japanese) and Chris Ayres (English)

Ichika's friend from back in middle school up until the time he transfers to IS Academy.
  • Bromantic Foil: To Ichika.
  • Big Brother Instinct: During the OVA, he ended up freaking out, desperately asking people at the festival where his sister is since Ran ditched him to hang out with Ichika.
  • Heterosexual Life-Partners: With Ichika, and their friendship never seems to have waned long after the latter transfers to the IS Academy.

Ran Gotanda

Voiced by: Noriko Obata (Japanese) and Luci Christian (English)

Dan's younger sister and a third-year junior high schoolgirl.
  • A-Cup Angst: Though in a subversion, she's actually got a decent bust. It still is played straight in the OVA, since her brother freaked out at the festival, asking people if they've seen a flat-chested, red-haired girl around.
  • Demoted to Extra: She actually appears quite frequently in the novels, making almost one appearance per volume, but the anime limited her screentime to only a few minutes in a single episode and the season 1 OVA.
  • Fiery Redhead: Quick to anger at meaningless banter.
  • Ship Tease: Her limited screentime in the anime hinted that she may have feelings for Ichika. Her extended appearances in the novels make it very obvious.
    • Also doubles as her Berserk Button, especially when her brother makes any mention of it.
  • Unkempt Beauty: Her usual getup at home.

Clarissa Harfouch

Voiced by: Kei Mizusawa (Japanese)

Laura's second-in-command (and current acting commander) in the Schwarzer Hase IS unit. Laura tends to call her for advice when it comes to trying to attract Ichika's attention.

Natasha Fairs

Light Novel-only Official Representative to the IS Academy from America. She is the pilot of the Silver Gospel, an IS co-built with Israel.
  • Adapted Out: In the anime, although her IS is the one the characters fight at the end of season 1, she's nowhere to be seen in season 2.
  • I Call It Vera: Calls her IS "Kid."
  • I Owe You My Life: Kisses Ichika on the cheek — in the presence of the rest of his Unwanted Harem, no less — in gratitude for stopping her Silver Gospel's rampage.
  • Mama Bear: She treats her IS like her own child.
  • This Is Unforgivable: She tells Chifuyu that she will find the person who tampered with her IS & get revenge.
  • What the Hell, Hero?: Natasha gets all four of her limbs broken when M attacks the military base she is stationed in to steal the Silver Gospel in Volume 6. When her teammate Iris Calling shows up in her IS in the nick of time and snatches her out of M's grasp, she promptly throws Natasha aside to fight more effectively. Natasha's response is to make a very irritated, "Can't you see I'm injured?!" Iris then promises she'll hit M back for the damage caused. Natasha seems more annoyed than anything that Iris is Comically Missing the Point.

Chloe Chronicle

Voiced by: Ayane Sakura

A mysterious white-haired girl who first shows up with Tabane in the Volume 7 epilogue.
  • Artificial Human: Chifuyu thinks she may be the "biological" component of an I.S.
  • Cloning Blues: Chifuyu asks why she doesn't want to meet her little sister Laura. Chloe counters by saying Laura isn't a sister but is "an incomplete me."
  • The Cracker: She was the one responsible for the World Purge hacking incident. Chifuyu goes to confront her after the crisis, which spooks Chloe enough for her to open her eyes and reveal she can project illusions in reality.
  • Damsel in Distress: In the novel version of the restaurant scene, Autumn took Chloe hostage to use her as a bargaining chip against Tabane. It didn't take.
  • Eyes Always Shut: Probably why she's so bad at cooking. It's also to cover up her mismatched eyes.
  • Last Episode New Character: Wasn't introduced in the anime until the very tail end of the final episode.
  • Lethal Chef: She burns bread when trying to prepare it, and tends to melt down other things she cooks. Despite this, Tabane still eats everything she serves her.
  • Master of Illusion: Revealing her golden eye allows her to project illusions.
  • Rapunzel Hair: Her hair reaches down to her waist.
  • Shared Unusual Trait: Like Laura, she has a golden eye. Unlike Laura, it's on the right side.
  • Undying Loyalty: Tabane did something that saved her in the past, and for this she has pledged her complete loyalty to her.

     Phantom Task 

A secret organization introduced in Season 2. They have been known for stealing prototype IS units from other countries, and are now zeroing in on Ichika and his IS.

The organisation as a whole

  • Ancient Conspiracy: Not as ancient as most conspiracies, but the German army's best intelligence regarding them indicates Phantom Task was created sometime around the end of World War II, and that they have been active for at least 50 years.
  • Grand Theft Prototype: Their supposed modus operandi, although the purpose for the same is not clear (apart from using the same stolen suits for their own.)
  • Meaningful Name: The kanji for their name roughly translates to "Fallen Nation Textile Industries". They may have started as either a German or Japanese corporation providing civilian aid in the wake of the postwar Allied occupation.
  • Nebulous Evil Organisation: Their specialty is in hijacking I.S. suits, but the "why" is a mystery.
  • N.G.O. Superpower: They are able to penetrate the security of multiple military bases around the world with very little effort and know about I.S. suits & weapons that don't even officially exist.
  • Oddly Small Organization: The anime & novels have only shown us three members of their group. In Volume 6 of the novels, the German army's intelligence indicates there is at least a Board of Directors & a Specialist group that comprises Phantom Task.
  • Realpolitik: The real reason why they have been able to keep stealing I.S. cores without any true backlash and stay hidden from public knowledge. As there is only a limited number of I.S. cores in existence, any country that announces they have lost one will immediately be at a disadvantage relative to other I.S.-equipped countries, which means that the thefts are never officially reported. In addition, the fact that a lone agent is able to compromise military security and single-handedly steal an I.S. is probably a big embarrassment for every targeted country's military, which provides further incentive to downplay the losses. The fact that the thefts are always conducted with zero fatalities likely means that the group is regarded as a lower-level threat than, say, terrorist groups like Al-Qaeda.
  • Secret War: They've been fighting the Sarashiki family for decades behind the shadows of international politics.
  • Would Hurt a Child: They were the ones (according to Autumn) who kidnapped Ichika during the second Mondo Grosso tournament.


'M' - Madoka Orimura

Voiced by: Ai Kayano

A member of the secret organization Phantom Task and pilot of the experimental IS, Silent Zephyrs. She actually looks like a younger Chifuyu who blames Ichika for stealing her life, but later reveals that she only wants to kill Chifuyu.
  • Ax-Crazy: She's just a bit too Trigger Happy.
  • Animal Motif: Silent Zephyrs has a silhouette of a butterfly, particularly during flight. Kurokishi takes this even further, looking very much like a black swallowtail butterfly. It even has a pair of antennae on its head that look just like a real butterfly's.
  • Attack Drone: Being a prototype based on Cecilia's Blue Tears, her IS has about 6 of these.
  • Badass: Anyone who can solo an IS-stealing run should qualify. If her hinted lineage is proven true, then this is to be expected. In the final episode, she swats Cecilia aside like a bug and takes on Charlotte, Laura, Rin, & Kanzashi all at once.
  • BFG: Her IS's primary weapon, Star Breaker.
  • Black Knight: Madoka actually fits this trope pretty well, being an antagonist wearing black who has a grudge against The Hero, is The Dragon to the Big Bad, and her identity is completely shrouded in mystery. The name of her second I.S. also translates to this.
  • Black Sheep: Definitely the dark to Ichika's light.
  • Blood Knight: She loves fighting, as shown in the final episode when she starts laughing maniacally while blasting away at Ichika.
  • Cain and Abel: To both Ichika & Chifuyu.
  • The Dragon: Squall relies on her a lot more than Autumn. Probably because even though Madoka has her own issues, her head is screwed on a lot tighter than Autumn's.
  • Emotionless Girl: This is a facade she puts on, but the truth is that she is boiling with rage underneath her cool exterior. She just knows how to manage her emotions well. Mentioning the Orimuras is the best way to really press her Berserk Button.
  • Evil Doppelganger: Dead ringer for Chifuyu when she was younger. Goes even further since her new I.S. is Kurokishi (Black Knight) in contrast to Chifuyu's Shirokishi (White Knight) I.S. from the Mondo Grosso tournament.
  • Explosive Leash: The novels reveal that whenever she raids a military base to steal an I.S., she has strict orders from Squall to never kill even a single person. If she does, the Nanomachines in her head will fry her brain.
  • Expy: She's a lot like an evil Inori, right down to the heavily-implied (in both series) being a clone of the main character's older sister. Probably an Actor Allusion as well, considering Ai Kayano also did that character.
  • Grand Theft Prototype: Steals the Silent Zephyrs from England, which she then uses personally afterwards.
  • Impossible Thief: She and Phantom Task specialize in stealing IS units from around the world. These are classified corporate and governmental items with dedicated security teams and IS guarding them - and they still manage to steal them.
    • She takes the art to nigh Badass levels when she breaks into a base to steal a highly classified IS alone. The anime showed her raiding a British military base to steal the Silent Zephyrs. She does it again in the novels when she raids an American base in the Pacific Northwest to steal the Silver Gospel, but is unsuccessful this time.
  • Know When to Fold 'Em: Her raid on the American base is cut short when Iris Calling appears in the Fang Quake I.S. Even though Madoka is sure her Silent Zephyrs could probably beat it in a one-on-one match, she also knows time wasted fighting it is time for more reinforcements to arrive, so she wisely retreats. She also does not object when Squall orders a retreat in the final episode of the anime.
  • Mid-Season Upgrade: Her new I.S., Kurokishi, debuts in the second-to-last episode, presumably built by Tabane.
  • Nerves of Steel: She's completely unfazed in the novels during one of Autumn's temper tantrums when she pins her to a wall and holds a knife to her eye after the failed attempt to steal the Byakushiki at the Cinderella play. Later, after her unauthorized assassination attempt on Ichika after his birthday party, Squall is the one unhappy with her and slams her against the ceiling with her I.S. Like before, Madoka barely reacts.
  • Out of the Inferno: Just when it seems like the girls have landed a decisive blow on her in the finale... it turns out it barely affected her.
  • Pint-Sized Powerhouse: She's roughly about the same height as Laura.
  • Removing the Rival: Sees Ichika as the one who stole her place in the world. And she almost did it the first time that they meet if it wasn't for Laura. Later flipped around when the object of her hatred turns out to not be Ichika, but Chifuyu. She even cuts her own face simply because it looks like Chifuyu's.
  • Spell My Name with an S: While the Light Novel Translations and this TV Tropes page list her IS as "Silent Zephyrs", the Anime (and apparently the CHOCO volume reprint) used "Silent Zephyrus".
  • The Worf Effect: Her Silent Zephyrs suit, which for most of the season is extremely overpowered and outmatches everyone at the I.S. academy, is effortlessly torn to shreds by Tabane Shinonono with her bare hands.
  • Tragic Keepsake: She keeps a locket that is quite valuable to her, but we have yet to see exactly what's in it. In the final episode, we get a glance of it open from an oblique angle, and for whatever bizarre reason, it's a picture of Ichika in it.


Reiko "Autumn" Makigami

Voiced by: Yuka Nishigaki

A member of Phantom Task who pilots the monstrous IS Arachne. She was tasked to steal the Byakushiki unit from Ichika during the school festival.
  • Adaptation Name Change: Her cover identity's first name was "Ayako" in the novels, but it was "Reiko" in the anime.
  • Ax-Crazy: After she "saves" Ichika from the Cinderella play, she develops this look on her face.
  • Click Hello: To Tabane in season 2 episode 10. She gets kicked across the room in response.
  • Honey Trap: Attempts this with Ichika by posing as 'Reiko Makigami'. Luckily, a classmate bails him out.
  • Grand Theft Prototype: Attempts this with the Byakushiki unit. Luckily a certain Student Council President was tasked to protect him from the get-go.
  • Lowered Monster Difficulty: She gets taken down with almost pathetic ease by Houki & Cecilia in the finale (and for most of the fight, Houki & Cecilia weren't even concerned with her, they were trying to get back to the train). After the strong performance she put on in episode 4, one would be forgiven for expecting more from her.
  • Psycho for Hire: Once she drops her pretense and brings out her IS, her psycho side is on full display.
  • Psycho Lesbian: In the novels, she becomes timid and giddy around Squall, and sees herself as her lover. All it takes for Squall to calm her down is to call her "lover," though it's unclear whether Squall really returns her feelings or is merely telling her what she wants to hear to control her.
  • Spared by the Adaptation: In the novel version of the episode 10 scene where Phantom Task tries to blackmail Tabane, Autumn was holding a knife to a hostage's throat. Tabane frees the hostage, breaks Autumn's arm, and stabs her in the lung with her own knife. We're not told if she gets up from that or not. While Autumn appears in the final 2 episodes of season 2, these are anime-original material. It's quite possible she might be dead in the novels continuity unless Volume 9 is released and she turns up again.
    • Seems the anime may have followed suit. It's not clear if she survives Cecilia's shot in the final episode, making her survival an open question much like it was in the novel.
  • Spider People: Invokes this with her IS Arachne, which was built in the shape of a spider and has the pilot connected to where the thorax would be located. Combined with her psychotic personality and the fact that she would have succeeded if not for Tatenashi's interference, she was certainly making Spiders Are Scary true for Ichika.


Squall Meusel

Voiced by: Fumi Hirano

A member of Phantom Task, and pilot of the IS Golden Dawn. She is currently in direct command of M and Autumn.
  • Absolute Cleavage: Her wardrobe never misses a chance to show off her proportions.
  • An Offer You Can't Refuse: Tried to rope Tabane into working for Phantom Task in episode 10. Tabane turned out to be quite capable of refusing... but fortunately for Squall, she didn't.
  • Beware My Stinger Tail: Golden Dawn has a long segmented pincer that clearly evokes this trope.
  • Big Bad: The main antagonist for season 2.
  • Dramatic Irony: In Volume 7, Ichika is supposed to have dinner with Houki in a high-class restaurant using the vouchers he got for the interview/photoshoot. But he can't go in without a tuxedo. Seeing his dilemma, a beautiful woman appears and introduces herself as Ms. Meusel, and buys him a tuxedo as well as a bouquet of roses for Houki before sending him on his way. Before he leaves, she reveals her full name to him, and wishes "Orimura Ichika-kun" luck. Ichika wonders briefly how she knows his name but then dismisses it. (this scene didn't get animated). In season 2 episode 11, she graciously offers to take Ichika & Houki's picture. In both circumstances, nobody knows who she really is, only seeing her as a friendly stranger.
  • Everything's Better with Spinning: The arms of Golden Dawn can spin extremely fast to form a kind of shield.
  • One Name Only: Her last name was only revealed in the novels. It's a spoiler for the scene it comes up in.
  • Pragmatic Villainy: She always places Madoka under non-lethal limitations when attacking military bases because if even a single soldier dies in these raids, it would trigger a much harsher response from the world's military forces against Phantom Task.
  • Sphere of Destruction: Golden Dawn is capable of generating one of these.
  • Tampering with Food and Drink: She spiked Tabane's soup with a sedative at their dinner, but Tabane caught on. It wasn't clear if she touched it in the anime, but in the novel version of that scene, she drank all the soup but wasn't affected by it.
  • Wham Line: The reveal of her last name is this in Volume 7.
  • With Friends Like These...: Autumn & M do not like each other, which means she has to more or less play referee when they get violent.


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