History Characters / CipherAcademy

* ConnectedAllAlong: [[spoiler:In Chapter 27, she is revealed to be Kyora Toshusai's stepsister, taken in after her parents' death. SHe was close to Kyora because the latter wished to develop non-lethal weapons, away from Kick-Attack Planning's more traditional lethal focus.]]

* [[spoiler:MyParentsAreDead: Her birth parents, researchers for Kick-Attack Planning, were killed during a lethal weapon experiment--an accident which also injured Shutan and one which she carried to this day.]]

* [[spoiler:DullEyesOfUnhappiness: [[https://static.tvtropes.org/pmwiki/pub/images/aa09b7e88d73dba9662bb473f2c5dfde.jpg Sports these]] as a child after her father's scandal was exposed... by none other than ''herself''. She was more shaken by the horrible public reaction to her deed, having done so out of a strong sense of justice, than the fact she's sentencing her father to life imprisonment. She's gotten better at emoting as years past, but she's still [[TheStoic rather quiet and withdrawn.]]]]

* [[spoiler:RichesToRags: She was the daughter of the previous Minister of Defense, and came from a family influential enough to be paired with Kyora and Nohime when they were children. Currently, she saw herself as nothing more than a servant of the Toshusai family, owing to her self-esteem issues.]]

* [[spoiler:SelfMadeOrphan: Non-lethal example. She personally uncovered her father's--then the Ministry of Defense--plot to overthrow the Japanese government, destroying his life and her family's public relationship with Kick-Attack Planning and the Iesuno family. She did this out of a personal sense of justice, but was emotionall scarred by the blowback she received, creating her current aloof personality.]]

* [[spoiler:WillfullyWeak: Kyora said she's this, locking away her full strength because she viewed herself as Kyora's servant. Kyora implied Tayu's far stronger than herself, and is currently working with Iroha to unlock her abilities back for use against Kogoe's machinations.]]

* CatchPhrase: "It's elementary!"--doubles as PunnyName, since 'Iroha' basically means this.

* LovableAlphaBitch: She seems to be an enemy to Iroha early on, but her intentions are actually good--she seeks to stop Kogoe, who she believes intends to double the number of wars in the world--and she develops into an ally to Iroha after he proves himself.

* BandageMummy: She is covered with bandages on her head and upper body, and wears an eyepatch. In spite of her apparent injuries, however, she usually seems cheerful. The bandages on her head apparently are just for show (and to hide her hair accessory).
* ConnectedAllAlong: [[spoiler:In Chapter 27, she is revealed to be Kyora Toshusai's stepsister.]]

* InvincibleHero: Implied to be such, though she drew twice with Iroha--once when they first duelled and she forfeited, [[spoiler:the other when Iroha blatantly cheated (with a good dose of (Anonimity)'s bevy of tricks) but she let him win again. She also lost to (Anonimity) because she didn't see the latter's cheating coming, causing some friction later on when she mocked (Anonimity)'s glasses weapon.]] ''Nobody'' has beaten her head-on yet in this manga.

* YourTerroristsAreOurFreedomFighters: Her main conflict with Kyora. [[spoiler:Shitai saw herself and her group as "liberators" who aimed to take down Kick-Attack Planning because they viewed the company as immoral and lawless, while Kyora views them as a hateful terrorist organization who nearly destroyed her home and endangered her friends. Shitai, who was Yukako's oldest friend, despised Kyora for having tortured and brainwashed her (or so she thought), while Kyora, Yukako's current master and good friend, hated Shitai who's trying to drive a wedge between them.]]

* [[spoiler:DarkAndTroubledPast: During Class 1-A's battle with Class 1-F, several debates and exchanges between Kyora, Shutan, and Shitai indicated she was previously a freedom fighter working against Kick-Attack Planning, but was captured and ''tortured'' by Tayu (in the same manner, but much worse, than what she did to Iroha), then brainwashed into going under Kyora's service. The truth is likely to be more genial than this, as Kyora is shown to be a genuinely good person who frowns at torture, preferring to befriend people out of respect.]]
* [[spoiler:ExpositoryHairstyleChange: Post her ReforgedIntoAMinion state below. [[https://static.tvtropes.org/pmwiki/pub/images/654c090d36e3f04b43f5ab7cd5b22d56.jpg Her hair]] used to be at least as long as Kyora's, but she cut it to a short butch cut.]]

* [[spoiler:ReforgedIntoAMinion: Kubinashi describes Yukako becoming Kyora's sidekick as this.]]

* [[spoiler:BeautifulAllAlong: Class 1-A's "orthodox beauty", and the only girl to stun Iroha with her looks alone in one glance. Makes it a great irony when Tayu mocked her CensorBox glasses weapon, implicitly calling her ugly... then [[https://static.tvtropes.org/pmwiki/pub/images/d865181298809ceb2f5d9f2f1bf06828.jpg (Anonimity) took her mask off.]]]]

* [[spoiler:ClusterFBomb: Lets out a G-rated one towards Iroha when he goes against her message and comes in to save her from Class 1-F anyway. She's mostly calling him "stupid".]]

* [[spoiler:ShipTease: With Iroha during her capture by Class 1-F. They "confessed" to each other, though from their tone it's somewhat ambiguous whether they said it platonically or romantically.]]

* [[spoiler:ConnectedAllAlong: In Chapter 27, she is revealed to be Kyora Toshusai's stepsister.]]

* [[spoiler:PunnyName: She merged her first name with the word "question" during her last round of cipher battle against Byu ("Que-stion" into "Que-Shutan").]]

* [[spoiler:NotSoAboveItAll: Nohime blatantly cheated during "Trilemma Capture List" against the whole Class 1-D team by giving them a cipher with so many possible answers it's impossible to solve within the 30-second time allotted, having also stalled for ''29.9 seconds'' from her own allotted time. She claimed it'd take them ''45 minutes'' to solve properly later, much to Seppun's annoyance.]]

* MismatchedEyes: She has heterochromia.

* [[spoiler:EnforcedMethodActing: While a generally aloof and affable classmate, she admits to getting ''too'' into her acting as Shokuho during the "Murder at Cipher Academy" game (notably, playing as a villainous character).]]

* TheStoic: Almost always has a steadfast and slightly bored [[https://static.tvtropes.org/pmwiki/pub/images/a5fd6af32dfb7c4b056095701a63b506.jpg expression]], even in the midst of a heated code battle. However, she can emote normally outside of ciphers.
* [[spoiler:WhenSheSmiles: Gives [[https://static.tvtropes.org/pmwiki/pub/images/0525df0fe8dc9d2d09afe99918209b19.jpg a beautiful one]] to Iroha when they drew the first time.]]

* [[spoiler:SoreLoser: Quokka was ''pissed'' when their team lost to Iroha for what they considered a 50-50 decision about who's better--between an offensive style which rewarded the most captives, or a defensive style which prioritized survival and minimizing captee. The fact it's an official decision by their teachers and Tonbo's attempt to explain and defuse the situation didn't help in the slightest, as they're still salty in the afterparty.]]

* TalkingAnimal: ''Appears'' to be so, but they claimed it's ''obviously'' just a costume to a shocked Iroha (and a suspcicious crowd behind him).

* [[spoiler:SixthRanger: In the grade-wide leader selection, she's the only one who's not accompanied by any of her classmates, making her this towards Class 1-B who filled the other 5 spots.]]

* {{Expy}}: Looks a lot like Edmond Dantès from VideoGame/FateGrandOrder.
* [[spoiler:GracefulLoser: Allowed Class 1-A to have the victory despite tying Kyora during the final cipher, having seen her ploy to sow discord between Yukako and Kyora failed, finally accepting Yukako's no longer a part of her group.]]

* [[spoiler:GracefulLoser: After losing to Shutan in the "Embracing and Matching" game, she takes her loss in stride, clapping and smiling for her opponent.]]

* [[spoiler:ActuallyPrettyFunny: The awkward interaction between Iroha and (Anonimity) made her slump against the treehouse wall, since she had no witty retort against them.]]

* RapunzelHair: Has the longest hair in the manga. It constantly drags on the floor during her jovial walks.

* {{Irony}}: Surprisingly, in a school specializing in breaking codes and solving ciphers, hers are very basic and easy to do (no more than 2-star when the ''average'' are 4-star ones), and she herself is below-average in code-breaking skill. Perhaps this is due to reliance on technology (and her glasses weapons), plus her preferrence to manipulating others instead of going to the front lines and breaking codes herself. She outright admitted her talent in this area was inferior to Iroha, his class's bottom-feeder at the time. The ciphers she presents the other students are also ''analog'', including the ones the school faculty requests her to design and make.

* SternTeacher: As mentioned she is very serious in teaching, but also praises students quickly after they fullfil their assignements.

* CatchPhrase: "It's elementary!". Doubles as PunnyName, since 'Iroha' basically means this.

* InformedFlaw: Yukako threatened to have him sent to Trench Academy, Cipher's all-male equivalent, which Tayu thought would've killed him outright within the first 3 days of training. However, Iroha's repeatedly shown to be quite athletic and physically fit, much more so than most of the girls, and capable of several acrobatic maneuvers. His best subject is noted to be P.E.

* ExpositoryHairstyleChange: Post her ReforgedIntoAMinion state below. [[https://static.tvtropes.org/pmwiki/pub/images/654c090d36e3f04b43f5ab7cd5b22d56.jpg Her hair]] used to be at least as long as Kyora's, but she cut it to a short butch cut.

* SheCleansUpNicely: Just once, and it's not exactly 'cleaning up'. Iroha just happened to glimpse what she really looked like under her BlindingBangs, and she's [[https://static.tvtropes.org/pmwiki/pub/images/e86ca5bf77c1c8b30018e61e41144a8c.jpg actually quite cute.]]

* EmbarrassingNickname: Nohime calls her 'Kyorarin'.

* HonorBeforeReason: ''Incredibly'' devoted to any promise she makes, such as debasing herself as Iroha's 'servant' and saying 'butt' ten times a day. It's clear she doesn't like it and tries very hard to intimidate Iroha and Nohime for them, but she does it anyway.

* MediumAwareness: Although other characters occasionally break the fourth wall, she does it far more frequently. In Chapter 16, she interacts with the frame that usually introduces a puzzle--crushing it and spilling the "difficulty level indicator" stars into her hand, to symbolize her circumventing puzzles by cheating. In the beginning of Chapter 21, she is surprised that Iroha is suddenly way ahead of her in the poker game, and she wonders if she's somehow "skipped a chapter" since "last week's issue". In Chapter 22, she holds the narration box with her name in her fingers, and leans casually on a speech bubble.

* ConnectedAllAlong: In Chapter 27, she is revealed to be [[spoiler:Kyora Toshusai's]] stepsister.

* LaserGuidedAmnesia: She ''pretends'' to be an amnesiac, as she reveals in Chapter 27, although this is basically limited to randomly asking people "who are you again?".

* ThirdPersonPerson: Usually refers to herself in the third person, but this seems to be an act for an unknown purpose, since she speaks normally once she reveals her true identity.

* EmbarrassingNickname: Kyora calls her 'Non-non'.

* MoneyDearBoy: Her CharacterTic. Nohime keeps constantly trying to ''buy'' her classmates, assigning them currencies according to how much value she thinks they have.

** [[spoiler:She re-used this persona when faced against Seppun and her classmates to attempt to enrage them, to limited success.]]

* EasilyForgiven: Iroha forgave her easily despite the brutal torture he went throught.

* CorporateSamurai: She acts like a yankee samurai serving Nohime, and carries a [[KatanasAreJustBetter katana]] around.

* MeaningfulName: Her name includes the kanji 食, which means "eating".

* AnimalEaredHeadband: Much like the other students in her class, she wears an animal-themed accessory on her head; in her case, a headband with moose antlers. [[spoiler:One of her antlers snapped off in defeat after she lost against (Anonimity).

* AlasPoorVillain: Her first (and last shown) match is against ''Tayu'', who promptly sent her to the infirmary in seconds.

* GracefulLoser: After losing to Shutan in the "Embracing and Matching" game, she takes her loss in stride, clapping and smiling for her opponent.

* StealthExpert: As fitting for the "undercover operations" class. She makes her entrance during the duel by revealing she'd been hiding underneath the table, which Tayu had just been sitting at without noticing Byu's presence. It's also implied that Byu had been hiding under the furniture during various previous scenes in the manga, such as the duel between Iroha and Tayu.

* BodyDouble: Of a special sort: She acts as Shitai Kubinashi's ''body double's'' body double, hiding in Hannari's shadow.
* TheFaceless: Even more so than her younger sister. When acting as a body double, the only thing differentiating them is her black hair... though that's also likely just a wig, makeup, artificial colouring, etc.

* RunningGag: Her habit of prowling underneath tabletops. [[spoiler:She even requested [[https://static.tvtropes.org/pmwiki/pub/images/38df1f2318562df5c9755f97a6419a99.jpg to ''test the table's durability'']] to Rokaku when she saw the latter making one by trying to hang upside-down from it.]]

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* SlasherSmile: She has a [[https://static.tvtropes.org/pmwiki/pub/images/3871dd87fcd5fe59672750f389dbbf0e.jpg truly]] [[https://static.tvtropes.org/pmwiki/pub/images/a138dd84ceb9eaae21b9b07f81957589.jpg horrific]] [[https://static.tvtropes.org/pmwiki/pub/images/b314a3db0e06f8b9af8a9c195b076889.jpg one]]--a crescent-shaped smile stretching across her face and showing her teeth in a half-open grimace. Her first on-page slasher smile manages to spook several onlookers, and she promptly apologizes for doing something that "vulgar".

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[[caption-width-right:739:Tonbo standing on Quokka]]

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* TheGamblingAddict: Her cipher-breaking style. Unlike most other characters, she barely spends any time thinking about the hows and whys of the cipher itself, and goes with the answer she instinctively feels the most fitting as quickly as possible. Given Cipher Academy is training soldiers to ''save lives'' through ciphers, gambling with her answers like this actually endangers either the mission, other people's lives, or both. [[spoiler:[[OneSidedRivalry Kyora hates her for this,]] though Tonbo doesn't really care.]]

* {{Irony}}: Surprisingly, in a school specializing in breaking codes and solving ciphers, hers are very basic and easy to do (no more than 2-star when the ''average'' are 4-star ones), and she herself is below-average in code-breaking skill. Perhaps this is due to reliance on technology (and her glasses weapons), plus her preferrence to manipulating others instead of going to the front lines and breaking codes herself. She outright admitted her talent in this area was inferior to Iroha, his class's bottom-feeder at the time.

* ThoseTwoGirls: Often seen hanging around Oboro, creating a typical RedOniBlueOni dynamic.

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[[caption-width-right:326:Kakune's crossword introduction, while she dresses as Harukiri]]

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[[caption-width-right:332:Shitsuke's crossword introduction, while she dresses as Tayu]]

* ConnectedAllAlong: In Chapter 27, she is revealed to be [[spoiler:Kyora Toshusai's]] sister.

* IronicallyDisabledArtist: The "Leaky Poker" arc shows that she is an excellent artist, [[spoiler:judging from the cipher cards created by her (the 9's), which are decorated with technically brilliant drawings--all the more impressive since she is visually impaired]].

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[[caption-width-right:329:Otamajakushi's crossword introduction]]

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[[caption-width-right:329:Ashibi's crossword introduction, while she dresses as Shutan]]

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* SuspiciouslySimilarSubstitute: Just her cipher-breaking style. It's very similar to Iroha--both of them prefer to read "the person" who makes the cipher, instead of treating it as an inorganic puzzle, to crack it.

The "dying-message decoding class".

* FuturisticPyramid: Her goal when she attains the 50 billion morg Kogoe hid. She viewed all of humanity as hopeless, so she wanted to house all 7 billion of the world's population's ''coprses'' safely inside one of these, like a mass tomb, as the world around them got destroyed.

A student in class 1-E.

* BodyDouble: Of a special sort: She acts as Shitai Kubinashi's ''body double's'' body double. Given their RhymingNames, it's likely she's related to Hannari in some way.

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[[caption-width-right:785:Kogoe's crossword introduction, with CG (top)]]

* KnifeNut: Prefers an array of bladed implements, though so far they haven't done anything bloody with them. Instead, they're using them as work tools to craft complex objects and gain an advantage over other classes.

[[folder:In General]]

[[/folder]]

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* ExpositoryHairstyleChange: Post her ReforgedIntoAMinion state below. Her hair used to be at least as long as Kyora's, but she cut it to a short butch cut.

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* SheCleansUpNicely: Just once, and it's not exactly 'cleaning up'. Iroha just happened to glimpse what she really looked like under her BlindingBangs, and she's actually quite cute.

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* LadyLooksLikeADude: You'd be justified for mistaking her for a lanky boy at first.

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* [[spoiler:BeautifulAllAlong: Class 1-A's "orthodox beauty", and the only girl to stun Iroha with her looks alone in one glance. Makes it a great irony when Tayu mocked her CensorBox glasses weapon, implicitly calling her ugly... then (Anonimity) took her mask off.]]

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* SlasherSmile: She has a truly horrific one--a crescent-shaped smile stretching across her face and showing her teeth in a half-open grimace. Her first on-page slasher smile manages to spook several onlookers, and she promptly apologizes for doing something that "vulgar".

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* AsianAirhead: If it's not a cipher, she thinks ''very'' slowly (in exaggerated thought bubbles). Her art also usually shifts into a SuperDeformed style.

* Catchphrase: "I hate bullying the weak."

* TheStoic: Almost always has a steadfast and slightly bored expression, even in the midst of a heated code battle. However, she can usually emote normally outside of ciphers.

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[[folder:In General]]

[[/folder]]

* AnimalEaredHeadband: Much like the other students in her class, she wears an animal-themed accessory on her head; in her case, a headband with moose antlers.

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[[folder:In General]]
* ColdBloodedTorture: Which makes them also TheDreaded, at least to (Anonimity). The "special mission" moniker implies they're being trained as special operative soldiers who're ordered to do inhumane things outside the books.

[[/folder]]

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* RapunzelHair: Has the longest hair in the manga. It's a wonder she doesn't drag it constantly on the floor during her jovial walks.

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* AIIsCrapshoot: Has a holographic AI partner named "CG" in the shape of an old male butler.

* ConsumateLiar: She lies as easily as breathing without batting an eye, usually by pretending to be someone's friend to let their guard down.

* ManipulativeBitch: She constantly jumps between camps, betraying alliances and making new ones as she pleases. Uniquely, she ''never lies''--just manipulates what information is given and choosing what words she speaks with to each individual so they'll move according to her wishes, playing with their feelings all the while. Iroha's just her latest victim--Kyora, (Anonimity), and Seppun are involved with her at some time in their lives.

* [[spoiler:DarkAndTroubledPast: During Class 1-A's battle with Class 1-F, several debates and exchanges between Kyora and Kubinashi indicated she was previously a freedom fighter working against Kick-Attack Planning, but was captured and ''tortured'' by Tayu (in the same manner, but much worse, than what she did to Iroha), then brainwashed into going under Kyora's service. The truth is likely to be more genial than this, as Kyora is shown to be a genuinely good person who frowns at torture, preferring to befriend people out of respect.]]

* ImposedHandicapTraining: She wears a [[GogglesDoSomethingUnusual glasses weapon]], called "Blindfold", which makes it harder for her to solve puzzles, as a handicap for training.

* [[spoiler:BeautifulAllAlong: Class 1-A's 'classical beauty', and the only girl to make Iroha blush in one glance. Makes it a great irony when Tayu mocked her CensorBox glasses weapon, implicitly calling her ugly... then (Anonimity) took her mask off.]]

* TheFaceless: In her initial appearances, she wears a two-eared mask which completely hides her face, except for her eyes and for her long hair. Hers is unique with a cryptic symbol printed where her forehead will be.

* InSeriesNickname: Ensa starts calling him "Iro-Iro" once she befriends him.

* AsianAirhead: If it's not a cipher, she thinks ''very'' slowly (in exaggerated thought bubbles).

* {{Irony}}: Surprisingly, in a school specializing in breaking codes and solving ciphers, hers are very basic and easy to do, and she herself is below-average in code-breaking skill. Perhaps this is due to reliance on technology (and her glasses weapons), plus her preferrence to manipulating others instead of going to the front lines and breaking codes herself. She outright admitted her talent in this area was inferior to Iroha, his class's bottom-feeder at the time.

* JackOfAllTrades: Their trademark, as the "indiscriminate decoding class". They don't specialize in any particular code or abilities -- simply a gathering of individuals who're strong in different areas. Some of them may be stronger or weaker than the other classes' students, depending on the cipher they're facing.

* SuperSpeed: Her biggest strength is that she can move ludicrously fast -- thus allowing her, for example, to rapidly assemble several large jigsaw puzzles mixed together, in the blink of an eye. This is also why initially has a reputation as the worst student in class: she's never been seen working on an assignment... because by the time any other student looks up from their desk, she's already solved it.

* AnimalMotifs: Similar to Sunka, Kakune's a bird -- specifically, the goose, as per [[MeaningfulName her name.]]

* LovableAlphaBitch: She seems to be an enemy to Iroha early on, but her intentions are actually good -- she seeks to stop Kogoe, who she believes intends to double the number of wars in the world -- and she develops into an ally to Iroha after he proves himself.

* SignatureMove: Kyora often uses Japanese literatures, especially poems, in her ciphers.
* SuperSentaiStance: She is very fond of posing like this. She twice strikes a fanciful group pose with her two sidekicks, Yukako and Tayu, including -- for some reason -- when returning from a honey-gathering expedition. At Iroha's insistence, she also strikes it with Iroha and Kogoe in Chapter 24, much to Kogoe's discomfort.

* SlasherSmile: She has a truly horrific one -- a crescent-shaped smile stretching across her face and showing her teeth in a half-open grimace. Her first on-page slasher smile manages to spook several onlookers, and she promptly apologizes for doing something that "vulgar".

* InvincibleHero: Implied to be such, though she drew twice with Iroha -- once when they first duelled and she forfeited, [[spoiler:the other when Iroha blatantly cheated (with a good dose of (Anonimity)'s bevy of tricks) but she let him win again. She also lost to (Anonimity) because she didn't see the latter's cheating coming, causing some friction later on when she mocked (Anonimity)'s glasses weapon.]] ''Nobody'' has beaten her head-on yet in this manga.
* CharacterTic: She always carries a wire puzzle with her (shaped like a key and padlock), and is frequently seen tossing it idly in the air.
* ChildhoodFriends: With Kyora. This is reflected by Kyora calling her a pet name, Tayutan.

* SuspiciouslySimilarSubstitute: Just her cipher-breaking style. It's very similar to Iroha -- both of them prefer to read "the person" who makes the cipher, instead of treating it as an inorganic puzzle, to crack it.

* MasterOfDisguise: As fitting for the "undercover operations" class. She makes her entrance during the duel by disguising herself as Iroha -- managing to look almost exactly as him (save for a small detail).

* CharacterTic: Tends to prowl around upside-down. Under tabletops, from tree branches -- you name it, she's hanging from it.

* Irony: Surprisingly, in a school specializing in breaking codes and solving ciphers, hers are very basic and easy to do, and she herself is below-average in code-breaking skill. Perhaps this is due to reliance on technology (and her glasses weapons), plus her preferrence to manipulating others instead of going to the front lines and breaking codes herself.

* [[spoiler:BeautifulAllAlong: Class 1-A's 'classical beauty', and the only girl to make Iroha blush in one glance. Makes it a great irony when Tayu mocked her CensorBox glasses weapon, implicitly calling her ugly... then {Anonimity) took her mask off.]]

* FuturisticPyramid: Her goal when she attains the 50 billion morg Kogoe hid. She viewed all of humanity as hopeless, so she wanted to house all 7 billion of the world's population safely inside one of these as the world around them got destroyed.

* TheFaceless: In her initial appearances, she wears a two-eared mask which completely hides her face, except for her eyes and for her long hair.

* StockShonenHero: Her default personality. Seriously, she looks more at home in other Shounen Jump mangas than this one.

* [[spoiler:PowerCopying: After he's elected as Class 1-A's leading private, he began to earnestly learn the ciphers and cracking methods his classmates excelled at, instead of relying on his own (rather futile) desperate self-study. He's now able to at least partially mimic (Anonimity)'s, Tayu's, Kyora's, and Oboro's specialities against various opponents in the class-wide competition.]]

----

----

* WeUsedToBeFriends: It's been hinted that she really saw Kogoe as a friend and she's bitter that their friendship was nothing more than a tool for Kogoe obtaining the passwords needed to upgrade the glasses weapons. Even in the present it seems she would like to fix things but much to her disappointment Kogoe won't do it.

----

----

[[folder:Iroha Irohazaka]]
!!Iroha Irohazaka (いろは坂 いろは)
!!!Seat number: 1
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_iroha_7.jpg]]
%% [[caption-width-right:250:some caption text]]

The main character. A token male student at class 1-A of the Cipher Academy, who gets embroiled in a conflict between Kogoe and Kyora, and soon finds himself striving for the position of the class's [[ClassRepresentative leading private]]. He has a strong sense of morality and justice.

* CatchPhrase: "It's elementary!".

* [[spoiler:PowerCopying: After he's elected as Class 1-A's leading private, he began to earnestly learn the ciphers and cracking methods his classmates excelled at, instead of relying on his own (rather futile) desperate self-study. He's now able to at least partially mimic (Anonimity)'s, Tayu's, and Kyora's, and Oboro's specialities against various opponents in the class-wide competition.]]

* SHelteredAristocrat: She doesn't know what a game of ''tag'' is.

* StockShounenHero: Her default personality. Seriously, she looks more at home in other Shounen Jump mangas than this one.

* FacialMarkings: She has an eye-shaped tattoo on her forehead.

A close ally of Iesuno Nohime.

The class in Cipher Academy which is known as the "indiscriminate decoding class".

* CoolShades: Wears a pair star-shaped shades which emphasize her gyaru style. They are actually a [[GogglesDoSomethingUnusual glasses weapon]], "Colored Glasses", with the special ability to rapidly sort objects by color, which helps with certain codes.

* ReforgedIntoAMinion: Kubinashi describes Yukako becoming Kyora's sidekick as this.

* SuperSpeed: Her biggest strength is that she can move ludicrously fast--thus allowing her, for example, to rapidly assemble several large jigsaw puzzles mixed together, in the blink of an eye. This is also why initially has a reputation as the worst student in class: she's never been seen working on an assignment... because by the time any other student looks up from their desk, she's already solved it.

* LovableAlphaBitch: She seems to be an enemy to Iroha early on, but her intentions are actually good--she seeks to stop Kogoe, who she believes intends to double the number of wars in the world--and she develops into an ally to Iroha after he proves himself.

* SuperSentaiStance: She is very fond of posing like this. She twice strikes a fanciful group pose with her two sidekicks, Yukako and Tayu, including--for some reason--when returning from a honey-gathering expedition. At Iroha's insistence, she also strikes it with Iroha and Kogoe in Chapter 24, much to Kogoe's discomfort.

* CutAndPasteNote: In keeping with her fixation on anonymity, her "introduction crossword" is not filled with her handwriting, but with cut-out characters.

One of Kyora's sidekicks.

* TheStoic: Almost always has a steadfast and slightly bored expression, even in the midst of a heated code battle.

Known as the "information scrambling class".

Known as the "telepathy class".

Known as the "dying-message decoding class".

Known as the "undercover operations class".

* BodyDouble: Of a special sort: She acts as Shitai Kubinashi's ''body double's'' body double.

* SternTeacher: As mentioned she is very serious in teaching but also praises students quickly after they fullfil their assignements.

Class 1-A's chief instructor.

The class in Cipher Academy attended by the protagonist, known as the "indiscriminate decoding class".

[[folder:Shibori Nikueda]]
!!Shibori Nikueda
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_shibori_3.jpg]]
%% [[caption-width-right:250:some caption text]]

Class 1-A's chief instructor.
* EyepatchOfPower: She wears an eyepatch, giving her a stern, no-nonsense appearance, although she's kinder than she seems.

![=Other classes=]

[[folder:Kogoe Horagatoge]]
!!Kogoe Horagatoge (洞ヶ峠 凍)
!!!Seat number: 0
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_kogoe_2.jpg]]
%% [[caption-width-right:250:some caption text]]

A girl from the mysterious class "1-M", and the creator of the glasses weapons. She is a former technical advisor of Kick-Attack Planning, and enlists Iroha to help her get her hands on the 50 billion Morg hidden in the school. She has an animosity with Kyora Toshusai, who considers her a "warmonger".

* ArtificialLimbs: She has a robotic left leg.
* CatchPhrase: "Can't say that too loudly though."
* GadgeteerGenius: A genius inventor, who has created the glasses weapons. She also built her own smartphone, up to and including its ''communications satellite''.
* GotTheWholeWorldInMyHand: She wears a novelty fingerless glove, shaped like a globe--thus, symbolically, gripping the Earth whenever she closes her right hand.
* GreekChorus: She frequently provides fourth-wall breaking remarks at the bottom of the page, either commenting on the puzzles or telling obscure trivia.
* MeaningfulName: Her name, Kogoe, means "frozen". She makes puns on it sometimes, and it is reflected in her crystalline-looking hair.
* TeenGenius: In spite of being a teenager she is a genius inventor, has once been a technical expert in a global corporation, and holds the title of Professor.
* TrademarkFavoriteFood: Corndogs, which she eats at every occasion, even while sitting in a mysterious dark room with OminousMultipleScreens. In chapter 17, while every other character is labelled with their favorite variety of Baumkuchen, she is listed simply as "likes corndogs".
* TreacherousAdvisor: Maybe. She gets Iroha on her side by telling him she intends to acquire the 50 billion Morg to stop half of the wars in the world. However, at least if Kyora is to be believed, her true intent is to ''double'' the amount of wars instead--since the value of Morg is tied to the amount of global war damage.

[[folder:Tonbo Rikukeito]]
!!Tonbo Rikukeito
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_tonbo.jpg]]
%% [[caption-width-right:350:some caption text]]

The leading private of Class 1-B, the "information scrambling class".

* AnimalEaredHeadband: She has rather odd fashion sense, wearing a cat-eared frilly headband at all times.

[[folder:Invalides Yonakiuguisu]]
!!Invalides Yonakiuguisu
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_invalides.jpg]]
%% [[caption-width-right:250:some caption text]]

The leading private of Class 1-C, the "telepathy class".

* TokenMiniMoe: Out of all the first-year students, she is the shortest (reaching approximately to Kyora's chest height) and most youthful-looking. She mentions (Chapter 25) that half of her class has skipped grades, so it's possible she is indeed particularly young.

[[folder:Seppun Zakuroguchi]]
!!Seppun Zakuroguchi
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_seppun.jpg]]

The leading private of Class 1-D, the "dying-message decoding class".

[[folder:Shitai Kubinashi]]
!!Shitai Kubinashi
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_shitai.jpg]]

The leading private of Class 1-E, the "undercover operations class". She is her team's General in the duel between Class 1-A and Class 1-E.

* {{Bifauxnen}}: She looks rather androgynous. During her first appearance, Iroha is initially unsure about her sex, and Shitai outright states that "it doesn't matter whether I'm a boy or a girl". However, later chapters explicitly refer to her as a "she".
* MeaningfulName: Her name literally means "headless corpse" in Japanese.

[[folder:Shakunage Hakanage]]
!!Shakunage Hakanage
[[quoteright:206:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_shakunage.jpg]]
%% [[caption-width-right:206:some caption text]]

The leading private of Class 1-F, the "special mission class".

* TheFaceless: In her initial appearances, she wears a two-eared mask which completely hides her face, except for her eyes and for her long hair.

%% [[caption-width-right:187:some caption text]]

* BandageMummy: She is covered with bandages on her head and upper body, and wears an eyepatch. In spite of her apparent injuries, however, she usually seems cheerful.
* ThirdPersonPerson: Speaks of herself this way in her introduction: "Shutan's friend invited Shutan to enroll."[[/folder]]

![=Other characters=]

[[folder:Shitai Kubinashi]]
!!Shitai Kubinashi
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_shitai.jpg]]

The leading private of Class 1-E.

* AmbiguousGender: Whether they are male or female is unknown. Even Iroha is unable to tell, and Shitai outright states that "it doesn't matter whether I'm a boy or a girl".
* MeaningfulName: Their name literally means "headless corpse" in Japanese.

[[folder:Invalides Yonakiuguisu]]
!!Invalides Yonakiuguisu
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_invalides.jpg]]

The leading private of Class 1-C.

* TokenMiniMoe: Out of all the first-year students, she is the shortest (reaching approximately to Kyora's chest height) and most youthful-looking.

The main character. A token male student at class 1-A of the Cipher Academy, who gets embroiled in a conflict between Kogoe and Kyora, and soon finds himself striving for the position of Class Leading Private. He has a strong sense of morality and justice.

* DarkAndTroubledPast: He tells Kogoe that he had joined the Academy because he had "nowhere else to go". During the interrogation by Tayu, he also mentions that all his close friends are dead, that he has witnessed someone's death nine times, and that he's experienced child abuse.
* DudeLooksLikeALady: He is petite and feminine-looking; in fact, some of the girls in his class look more masculine than him, and it's mentioned that several of them have mistaken him for a girl.

%% [[caption-width-right:250:some caption text]]

* TheFettered: He staunchly refuses to cheat (although he's not above exploiting rule loopholes, or smooth-talking his way out of an apparent loss). Although his glasses weapon would make him a formidable code solver, he's reluctant to use it, as he considers it cheating (and a crutch that might hamper his development).

[[quoteright:328:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_sunka.jpg]]
%% [[caption-width-right:328:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_soboro.jpg]]
%% [[caption-width-right:350:some caption text]]

* MeaningfulName: Her surname, 朧, is written with the kanji for "haziness, dreaminess, gloom", fitting for her angsty and dark personality.

[[quoteright:328:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_ensa.jpg]]
%% [[caption-width-right:328:some caption text]]

A quiet student who usually keeps to herself. She becomes Iroha's close friend after he accepts her into his team during the Casse-Tete Quartet game.

[[quoteright:215:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_kakune.jpg]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_shitsuke.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_kyora.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_anonymity.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:173:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_akina.jpg]]
%%[[caption-width-right:173:some caption text]]

[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_iesuno.jpg]]
%% [[caption-width-right:300:some caption text]]

* BandageMummy: She is covered with bandages on her head and upper body, and wears an eyepatch. In spite of her apparent injuries, she always seems cheerful.

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_iesuno.jpg]]
%% [[caption-width-right:350:some caption text]]

* EyesAlwaysShut: Almost always seen with her eyes shut and a gentle smile on her face.

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_ransurotto.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_tayu.jpg]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_rokaku.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_shokuho.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_shibori.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_kogoe.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:218:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_harukiri.jpg]]

[[quoteright:202:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_otamajakushi.jpg]]
%% [[caption-width-right:202:some caption text]]

[[quoteright:164:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_ashibi.jpg]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_tayu.jpg]]
%% [[caption-width-right:350:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_iroha.jpg]]
%%[[caption-width-right:350:some caption text]]

[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/cipheracademy_sunka.jpg]]
%% [[caption-width-right:350:some caption text]]