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* YuriGenre: The romance between Tokaku and Haru is central to the story.

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* YuriGenre: The romance between Tokaku and Haru is central to the story.
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** Haruki shows remarkable skill in pocky throwing.

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** Haruki shows remarkable skill in pocky throwing.throwing
*InLoveWithTheMark: Deconstructed. The basic premise of the story is Tokaku rejecting her mission and protecting the intended target from eleven other assassins, and there is plenty of chemistry between her and Haru. However, the story also points out the sort of bad judgment someone would have to have for this trope to even get off the ground, as well as the sort of insane skills and luck they would need to survive its implementation
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Adding hidden note.

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%% Administrivia/ZeroContextExamples are not allowed on wiki pages. All such entries have been commented out. Add context to the entries before uncommenting them.
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* YuriGenre: And most of them show attraction toward other girls.

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* YuriGenre: And most of them show attraction toward other girls.
The romance between Tokaku and Haru is central to the story.

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Definition only


* OffModel: The animators tended to forget Nio's stockings. This wouldn't be a big deal if not for the fact that [[spoiler:she wears them to hide the massive tattoos running down her legs]].
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''Akuma no Riddle'', also known as ''Riddle Story of Devil'', is a manga series written by Yun Kouga (creator of ''Manga/{{Loveless}}'' and character designer for ''Anime/MobileSuitGundam00'') and illustrated by Sunao Minakata, which was serialized in ''Newtype'' from 2012 to 2016. It received an animated adaptation produced by {{Creator/Diomedea}} on April 3, 2014 as part of the Spring2014Anime season.

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''Akuma no Riddle'', also known as ''Riddle Story of Devil'', is a manga series written by Yun Kouga (creator of ''Manga/{{Loveless}}'' and character designer for ''Anime/MobileSuitGundam00'') and illustrated by Sunao Minakata, which was serialized in ''Newtype'' from 2012 to 2016. It received an animated adaptation produced by {{Creator/Diomedea}} on April 3, 2014 as part of the Spring2014Anime spring 2014 anime season.

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Correcting oversight.


* TheForeignSubtitle: The North American manga and anime releases retain the Japanese title and its English translation.



* TheForeignSubtitle: The North American manga and anime releases retain the Japanese title and its English translation.
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* TheForeignSubtitle: The North American manga and anime releases retain the Japanese title and its English translation.
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I'll move that to her character folder.


* HoistByHisOwnPetard: Haru incapacitates [[spoiler:Otoya]] using the same toxic flower the latter used to capture her.
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''Akuma no Riddle'', also known as ''Riddle Story of Devil'', is a manga series written by Yun Kouga (creator of ''Manga/{{Loveless}}'' and character designer for ''Anime/MobileSuitGundam00'') and illustrated by Sunao Minakata. It received an animated adaptation produced by {{Creator/Diomedea}} on April 3, 2014 as part of the Spring2014Anime season.

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''Akuma no Riddle'', also known as ''Riddle Story of Devil'', is a manga series written by Yun Kouga (creator of ''Manga/{{Loveless}}'' and character designer for ''Anime/MobileSuitGundam00'') and illustrated by Sunao Minakata.Minakata, which was serialized in ''Newtype'' from 2012 to 2016. It received an animated adaptation produced by {{Creator/Diomedea}} on April 3, 2014 as part of the Spring2014Anime season.
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* TeaIsClassy: Two of the [[TheOjou wealthiest characters]], Isuke Inukai and Sumireko Hanabusa, are also the most avid tea drinker.

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Moving cut What An Idiot entries that lacked the proper formatting here.


*** The victor gets whatever they want as a prize.

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*** The victor gets whatever they want wat as a prize.


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* InformedAbility: For a supposedly competent and remarkable assassin, Tokaku makes some very, ''very'' stupid moves. One of these is to answer her phone ''whilst in the middle of a battle'' with another, very competent assassin, who was previously shown to be quite ruthless and cunning in her battling style.


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* TooDumbToLive:
** Haru often takes her naivete to ludicrous levels. She's well aware that nearly everyone in the class is out to kill her, yet sees absolutely nothing wrong with trying to befriend said people whilst ''alone'' with them. In episode 3, she also doesn't [[spoiler:alert Tokaku upon getting the 48 hour notice -- as in, the ''only'' person who could conceivably protect her]]. This nearly gets her killed.
** Taken further in episode 4, where [[spoiler:Haru sees one of her phone straps - the ones she gave to her ''assassin classmates'' - attached to a book in the hidden library]]. Her first response is [[spoiler:to pull it out]], despite already knowing that [[spoiler:whoever was behind the active notice was proficient with explosive traps.]]
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Romantic Two Girl Friendship (or rather, Pseudo Romantic Friendship as it's been renamed to) is not for crushes or potential (or actual) romantic feelings. Please find more appropriate tropes for such examples


* RomanticTwoGirlFriendship: The relationship between Hitsugi and Chitaru. Episode 6, and their dual ImageSong, calls into question if it really was this or full-on love. [[spoiler:The manga confirms it on Hitsugi's side, but Chitaru's is ambiguous, given that Hitsugi did kill her mentor's daughter]].
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''Akuma no Riddle'', also known as ''Riddle Story of Devil'', is a manga series written by Yun Kouga (creator of ''Manga/{{Loveless}}'') and illustrated by Sunao Minakata. It received an animated adaptation produced by {{Creator/Diomedea}} on April 3, 2014 as part of the Spring2014Anime season.

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''Akuma no Riddle'', also known as ''Riddle Story of Devil'', is a manga series written by Yun Kouga (creator of ''Manga/{{Loveless}}'') ''Manga/{{Loveless}}'' and character designer for ''Anime/MobileSuitGundam00'') and illustrated by Sunao Minakata. It received an animated adaptation produced by {{Creator/Diomedea}} on April 3, 2014 as part of the Spring2014Anime season.

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[[redirect:Manga/RiddleStoryOfDevil]]

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[[redirect:Manga/RiddleStoryOfDevil]][[quoteright:320:https://static.tvtropes.org/pmwiki/pub/images/akuma_no_riddle.png]]
[[caption-width-right:320:A class to die for.[[note]]Front: Mahiru/Shinya Banba, Nio Hashiri, Tokaku Azuma, Haru Ichinose, Isuke Inukai. Second row: Kouko Kaminaga, Suzu Shuto, Haruki Sagae, Chitaru Namatame, Hitsugi Kirigaya. Back: Otoya Takechi, Sumireko Hanabusa, Shiena Kenmochi.[[/note]]]]

''Akuma no Riddle'', also known as ''Riddle Story of Devil'', is a manga series written by Yun Kouga (creator of ''Manga/{{Loveless}}'') and illustrated by Sunao Minakata. It received an animated adaptation produced by {{Creator/Diomedea}} on April 3, 2014 as part of the Spring2014Anime season.

Myojo Academy is a distinguished integrated campus equipped with a curriculum that ranges from elementary to college and strong connections to a large number of influential people. Despite its reputation, however, few in the public know about Myojo's Class Black, a secret, thirteen-student high school class that accepts enrollment at irregular intervals, formed for purposes aside from education. Namely, a game where twelve killers disguised as students compete to be the first to assassinate a target within the class.

Tokaku Azuma, one of Academy 17's elite assassins, is chosen by her instructor, Kaiba, to participate in Class Black upon the request of Myojo Academy's Board Chairman. When she arrives, she meets the target, Haru Ichinose, who has the appearance and disposition of a regular high school girl, but it quickly becomes apparent that Haru is just as far from normal as anyone else in the class when Tokaku learns that she's lived her whole life as a target for assassination. In the process, Tokaku decides to go against the original plan and become Haru's sole protector against the remaining eleven killers of Class Black.

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!!''Akuma no Riddle'' contains examples of:

* TwoDVisualsThreeDEffects: Used for the action sequences, and it's very easy to tell where. Banba's hammer in Episode 9 is particularly obvious -- its head is a polyhedron, perfect for CGI, and the animators take advantage of this almost every time it moves.
* AcademyOfAdventure: Myojo Academy. Very dangerous adventure, in fact.
* AcCENTUponTheWrongSylLABle: Toe-koku
* AdaptationalCurves: Kouko looks rather busty at times despite supposedly being an A cup.
* AirVentEscape: Tokaku uses this to escape from being locked in the basement in episode 3.
* AllAccordingToPlan: [[spoiler:Tokaku choosing to defend Haru was foreseen by the Chairwoman due to the possibility of Haru having the Queen Bee power.]]
* AllPartOfTheShow: "Did Tybalt just bridal carry Mercutio into the audience and run off with Romeo? Wow! Black Class's interpretation of ''Theatre/RomeoAndJuliet'' is amazing!"
** "Wow! It's almost as if they [[spoiler: died for real]]!"
* AloneAmongTheCouples: Nio is forever alone.
* AndThenWhat: Haru brings this up to Tokaku in Episode 8. Tokaku has not quite thought about her future when everything is settled.
* ArmorPiercingQuestion: Kaiba is fond of sending Tokaku these, as part of his testing her.
* ArtificialLimbs: [[spoiler:All of Sumireko's limbs are prosthetic]].
* AsYouKnow: How Nio explains the rules of Class Black's DeadlyGame.
* AsleepInClass: Isuke-sama isn't poor enough to have to pay attention in class.
* ATeamFiring:
** When [[spoiler:Otoya]] is charging at her, Tokaku somehow manages to repeatedly shoot the exact same area where [[spoiler:Otoya's]] blades were crossed, causing her to accidentally deflect the bullets.
** [[spoiler:Kouko]] misses every single shot when she fires her gun at Tokaku. In the manga she also manages to completely miss Haru at point blank range with grenades. That's a special kind of incompetent right there.
** [[spoiler:Isuke]] misses when she fires at Tokaku, although the first one does graze her cheek.
** [[spoiler:Sumireko's machine gun arm]] never once hits Tokaku, even at times when it should have been easy to hit her.
** [[spoiler:Nio]] doesn't hit Tokaku once with her gun. [[spoiler:She does however destroy her katana with one of her shots]].
* AxCrazy: A few of the assassins to varying degrees, though [[spoiler:Otoya]] stands out the most.
* BarefootSuicide: At the end of Nio's ending credits theme, her shoes are shown on top of a building, with sirens screaming in the background. However, [[spoiler: it's heavily implied that Nio instead faked her death using her skills with illusion, and that the shoes were left there to support her ruse,]] thus specifically invoking this trope.
* BeachEpisode: Episode 7 takes place in the academy's gigantic swimming pool facility. It's also where [[spoiler:Suzu's DeadlyGame]] is held.
** The Blu-ray/DVD BonusEpisode takes place on an actual beach. Or more specifically, on a deserted island.
* BetaCouple: Chitaru and Hitsugi to Tokaku and Haru. More apparent in the manga where they have more scenes together.
* BewareTheNiceOnes: This applies to several of the assassins, who range from AffablyEvil to straight-up [[BitchInSheepsClothing Bitches In Sheeps Clothing]].
* TheBladeAlwaysLandsPointyEndIn: Tokaku's very skilled with those throwing knives of hers.
* BlandNameProduct: In the anime, pocky disguises itself as "rocky". Shiena also owns a Hexus (Nexus) tablet.
* BlondeBrunetteRedhead: More like Blonde, Bluenette, Redhead; Nio, Tokaku, and Haru.
* BloodSplatteredInnocents: Little chibi [[spoiler:Haru covered in her mother's blood]].
* BookcasePassage: One of the academy's seven wonders is a secret library section hidden behind one of these.
* BookEnds: Before entering Class Black, Kaiba asks Tokaku what she wants more than anything else, to which Tokaku answers, "Nothing." After Class Black has ended, [[spoiler:Meichi]] asks Tokaku the same question [[spoiler:so that her reward can be granted]]. Tokaku answers by [[spoiler:dropping to her knees in tears and saying that what she wants can't be granted anymore]].
* BombDisposal: Tokaku disabled the obvious bomb [[spoiler:Kouko]] left in the fridge, as well as the not so obvious one in the [[spoiler:grape soda]].
* BroodingBoyGentleGirl: The "boy" is Tokaku, while the "girl" is Haru.
* BuryYourGays: An odd example since it's a manga about lesbian assassins trying to kill one another, but the two characters with most ShipTease, outside of the main couple, are [[spoiler:Chitaru and Hitsugi]], and they are the first characters [[KilledOffForReal to actually die on screen.]] Bonus points for [[spoiler:being a huge Theatre/RomeoAndJuliet ShoutOut]] as well. [[spoiler:They survive in the anime's ending. They also survive in the manga]]. %%Move to GayGuyDiesFirst when that is launched.
* CallBack: Episode 9 is this to episode 2. [[spoiler:Just like before, it focuses on Isuke's assassination attempt and brings Tokaku's "curse" into focus]]. Even the short shot of [[spoiler:Isuke's face in yellow light from episode 2 is brought back]], except this time, [[spoiler:it's on Tokaku]]. The relevant development here is that [[spoiler:Tokaku gets over her curse]]. The episode is even called "What Dwells in Your Heart? (Make-up Exam)".
* CantTieHisTie: In this case, her tie; [[spoiler:In the final chapter, Tokaku and haru are adults, both wearing suits. Noticing Haru's loose tie, Tokaku tightens it up for her.]]
* CarBomb: When she was younger [[spoiler:Kouko]] set one of these to kill a target...unfortunately it [[spoiler:went off early and killed her teacher instead]].
* CaptainOblivious: Mizorogi is utterly blind to the fact that the vast majority of his students are assassins.
** He doesn't even realise that [[spoiler:Chitaru and Hitsugi both died on stage]].
** Turns out [[spoiler:he was right after all, since they survive in both the anime and the manga.]]
** He does start to think something is up, but believes it's to do with his teaching rather than his students trying to kill each other. He's easily re-assured by the Chairwoman in the anime. In the manga, Nio straight up tells him to mind his own business and keep doing his job.
* CarnivalOfKillers: Pretty much sums up the main story. All the assassins are brought in to attempt to kill Haru, [[spoiler:as a way of testing her "queen bee" ability.]]
* ChekhovsClassroom: In the class's first visit to the academy's botanical garden, Mizorogi teaches them about bullfinches after he hears one, mentioning that its chirp sounds like a whistle. Later, Tokaku hears the bullfinch through her phone while trying to talk to Haru [[spoiler:who is being tortured by Otoya]] and figures out where she is.
* ChekhovsGun: That cemetery in the basement that Nio mentions in the first episode? It's a [[spoiler:big memorial for everyone in Haru's clan who died protecting the clan members]].
* TheClan:
** The Ichinose family is a very large, powerful clan of which Haru is a member of. She is constantly targeted for assassination because of this.
** The Azuma family is a clan of assassins, to which Tokaku is the heiress.
** The Kuzunoha family is the opposite to the Azuma family, who adopt people from all over instead of going just by blood lineage. [[spoiler:Nio]] is a member of this family.
* CompressedAdaptation: The Anime is only 13 episodes, and so in order to get the whole story a good chunk of the assassins interactions with one another got rushed or was cut entirely in order to focus more on the action.
* CradlingYourKill:
** [[spoiler: After Hitsugi impales herself on Chitaru's knife.]]
** [[spoiler: After Tokaku stabs Haru.]]
*** [[spoiler: Both are subverted when EverybodyLives.]]
* CryIntoChest: When [[spoiler:Haru]] registers that [[spoiler:Tokaku is alive]], she bursts into tears and hugs her around the chest, completely forgetting about her promise to never cry.
* CuteAndPsycho: Class Black is full of beautiful assassins, after all. Otoya is the most obvious.
* DarkAndTroubledPast: A good number of the assassins. See the Characters page for details.
* DeadlyGame:
** Class Black is an assassination competition. Several hired killers compete with one another to see who can kill the target first while following specific rules:
*** Assassination must be announced first via special notice, and then carried out within forty-eight hours. Failure means expulsion.
*** No one outside the class can be involved in these attempts, including their homeroom teacher Mizorogi. Breaking this rule also means expulsion.
*** The victor gets whatever they want as a prize.
** In episode [[spoiler:7]], Suzu sets up one of her own with RiddleMeThis as her plan to take down Haru. The other assassins (except Isuke) even see this as a nice change of pace.
* DeclarationOfProtection: Tokaku does this in front of the rest of the assassins after tearing up her assassination notice.
** "Dare nimo sawarasenai!"
* DemolitionsExpert: [[spoiler:Kouko]]...relatively speaking.
* DisneyDeath:
** [[spoiler:Chitaru and Hitsugi are revealed to be, at the end of the anime, alive, despite the seemingly fatal stabbing and self-poisoning.]]
** [[spoiler: They are quite alive in the manga too, as seen in a single panel in the final chapter.]]
** [[spoiler:Despite Tokaku stabbing both of them in the chest, Nio and Haru are both alive by the end of the final episode.]]
* DoItYourselfThemeTune: The ending themes of each episode are performed by the main characters. For example, the first ending theme "Paradox" is sung by Tokaku.
* TheDoorSlamsYou:
** In episode 1, Haruki reports in for roll call by slamming the door into Haru's face.
** Haru slams a door in Shinya's face in episode 9.
* DualBoss: [[spoiler:Isuke]] and [[spoiler:Shinya]] in the anime.
* DullEyesOfUnhappiness: Haru's eyes when she thinks that [[spoiler:Tokaku is dead]].
* EasilyForgiven: Haru is practically a saint with how forgiving she is. She evens answers Kaiba's first riddle with it: "The world is filled with forgiveness."
* ElaborateUniversityHigh: Myojo Academy. While just how big it is remains a mystery, it is a rich and powerful private school that provides all school levels, from elementary to university, and it has numerous connections to famous people and politicians.
* EvenEvilHasStandards: Sure, Class Black wants a hand on Haru, but they have no tolerance for [[spoiler:Otoya]] upon learning of her status as a serial killer.
* EverybodyLives: In the anime, [[spoiler:all of the killed characters survive, even the ones that apparently die onscreen from seemingly fatal wounds]]. Explanation is [[spoiler:not given for any except for Haru's death]].
** [[spoiler:Everyobody also lives in the manga, as seen in the final chapter. Still no explanation; in fact, all but Haruki and Isuki get a mere panel to show their status.]]
* EvilGloating: One of the main reasons why Haru and Tokaku [[spoiler:are still alive]].
** If [[spoiler:Otoya]] hadn't stayed on the phone with Tokaku to gloat, the latter never would have heard the [[spoiler:bullfinch in the background]], which helped her put together where she was.
** If [[spoiler:Shinya had just bashed the supply closet door in instead of knocking]] then Haru wouldn't have known she was on the other side.
** If [[spoiler:Isuke hadn't have taken her time to cut up Haru]] then she could have killed her before Tokaku could have gotten there. Somewhat justified as [[spoiler:Isuke had pushed Tokaku out of a window, so she can be somewhat forgiven for assuming she'd killed her.]]
** If [[spoiler: Sumireko wasn't so obsessed with proving she was the best]] then she could have easily killed Haru what with her [[spoiler:prosthetic robot limbs and all.]]
*** Nio decided to [[spoiler:spend her supposed last moments]] taunting Tokaku about [[spoiler:seemingly killing Haru]]. What a piece of trash-suu.
* EvolvingCredits: The ending credits change for each episode, featuring an ImageSong for the character prominent in the episode and a unique animation sequence. Hitsugi and Chitaru get a dual ImageSong and ED instead of separate ones, and [[spoiler:Shiena]] does not get either an ImageSong or unique ED.
* ExoticEyeDesigns: The series has two normal eye designs: small pupils with fully-colored irises, and large pupils with only the lower half of the iris colored. Sometimes characters with the latter design temporarily gain the former when they get serious or surprised, but Shinya, Otoya, and Shiena (manga only) gain a variation of the first kind that has two or three segmented rings around the pupil.
* ExplosiveLeash: [[spoiler:Suzu's]] assassination attempt.
* {{Expy}}:
** Between Otoya's long black hair, spider motif, [[spoiler:PsychoLesbian]] tendencies, and being [[spoiler:a serial killer]], she's the spitting image of [[VisualNovel/AtlachNacha Hirasaka Hatsune]].
** Red hair, tomboy personality, a love of pocky, and a devotion to her family. Doesn't Haruki remind you of [[Anime/PuellaMagiMadokaMagica a certain magical girl]]?
* EyeCatch: Featuring art of the same character featured in the ending, and some extra information about parts of the setting or other characters.
* FallingChandelierOfDoom: Episode 10 has Tokaku shoot a chandelier down to make it fall on an assassin. [[spoiler:Said assassin takes no damage and gets right back up to throw it back at Tokaku]].
* FanDisservice: Haru gets stripped down to her underwear and BoundAndGagged in episode 3, prior to [[spoiler:being tortured by Otoya]].
* FlowerMotifs: Each student has a flower associated with them, and said flowers are placed on their desk when they are expelled.
* {{Foreshadowing}}: The manga and anime give out many hints with regards to later assassins, such as Nio always wearing full-body outfits, Suzu keeping her body fit and healthy, and Mahiru covering her face during photo shoots.
** One of the organizations an assassin belongs to, Datura, is named after a flower.
** Haru has massive surgical scars covering her body [[spoiler:from when she got surgery for a titanium rib.]]
* FreezeFrameBonus: When Haru talks about herself to Tokaku near the end of episode 2, a shot of bees shows up for a second, referring to [[spoiler:her queen bee ability]].
* FunnyBackgroundEvent: While the play is going on, two girls in the audience are ''very'' emotionally vested in the performance.
* FuroScene: Happens almost once an episode.
* GoForTheEye: In a rather uncomfortable scene, [[spoiler:Otoya]] nearly stabs [[spoiler:Tokaku in the eye]]. She would have succeeded, if not for [[spoiler:Haru's timely rescue]].
* GracefulLoser: [[spoiler:Suzu]] accepts defeat rather easily, despite having more than a day left, simply because she said she'd give up if they [[spoiler:disarmed the bomb around Haru's neck]].
* GunsAreWorthless: The only damage a gun does for the majority of the series is give someone a small scratch on the cheek. Subverted when [[spoiler:Kouko kills a couple of nuns in episode 12 with well aimed shots. She seems to have improved her aim a little.]]
* HairstyleInertia: Tokaku's hairstyle hasn't really changed in the last ten years or so. [[spoiler:In the final chapter on the manga, she is show to have grown her hair out and keeps it in a thin ponytail.]]
* HereWeGoAgain: In the last chapter, [[spoiler:Nio is shown to be giving a new Class Black their orientation, showing that while Haru's trials are over, the same can't be said for some other poor girl.]]
* HeroTrackingFailure: [[spoiler:Sumireko]] shoots her machine gun at Tokaku as Tokaku comes out of cover...and somehow completely misses her as she runs to grab a gun off the wall despite the minuscule margin of error.
* HighTechHexagons: Seen everywhere in the school, in students' devices, and the anime's opening and endings. The hexagons themselves resemble a [[{{Foreshadowing}} beehive pattern]].
* HoistByHisOwnPetard: Haru incapacitates [[spoiler:Otoya]] using the same toxic flower the latter used to capture her.
* HoldingHands: Chitaru and Hitsugi almost always do this.
* IWantMyBelovedToBeHappy: The length Hitsugi is willing to go in order to help Chitaru bring down Angel's Trumpet is considerable, since [[spoiler:Hitsugi is Angel's Trumpet]].
* IdiosyncraticEpisodeNaming: Each episode's title is a riddle that Kaiba sends Tokaku within the episode, and is somehow vaguely related to the plot of the episode.
* IdiotHair: Nio has a very large, distinct ahoge. Mr. Mizorogi has a smaller one.
* ImprobableWeaponUser: The Datura organization, where Angel's Trumpet comes from, specializes in assassination using the poisonous Datura flower.
** Haruki shows remarkable skill in pocky throwing.
* ImprobablyFemaleCast: Except for Kaiba and Mizorogi, all the important characters are female.
* InstantSedation: [[spoiler:Isuke]] drugs [[spoiler:Haru who is out like a light seconds later.]] She then wakes up shortly after. Justified as [[spoiler:Haru has been the victim of many assassination attempts and has built up a slight immunity to drugs because of this.]]
* JerkWithAHeartOfGold: Kaiba comes across as a real jerk at the start, calling Tokaku's life a worthless existence, [[spoiler:however it turns out that he honestly wants to help her develop as a person and constantly challenges her to push her along that path.]]
* KillSteal: Attempted a few times.
** [[spoiler: Isuke]] to [[spoiler:Shinya]].
** [[spoiler: Nio]] to [[spoiler:Tokaku]].
** Subverted as [[spoiler:none of them succeed]].
* KissOfLife: [[spoiler:Haru]] to [[spoiler:Tokaku]] in episode 7. It left quite the impression on [[spoiler:Tokaku]], who is shown thinking about it with a blush on her face at the end of the episode.
** UnderwaterKiss: [[spoiler:Tokaku]] was drowning at the time, so [[spoiler:Haru]] kissed her to give her oxygen.
* LensFlare: A lot of it, as per the norm of anime nowadays, but one notable use of this is in episode 1, while Haru is reading through the class list.
* LighterAndSofter: [[BonusEpisode Episode 13]], included in the Blu-ray/DVD release, is ''far'' lighter than the series proper, and heavy on comedy and {{Fanservice}}. [[spoiler: [[JustifiedTrope Justified]], since it takes place after the ending and Haru is no longer a target.]]
* LivingWithTheVillain: The setting is a boarding school.
* LoveConfessor: [[spoiler:Isuke's mama remarks on how suprisingly kind she is to Haruki on the phone. She says, with a slightly flustered face, that it can't be helped since she loves her.]]
* LoveTriangle: The manga presents one in the form of Hitsugi/Chitaru/Shiena. [[spoiler:[[MurderTheHypotenuse It's very short-lived]]]].
* LuckilyMyShieldWillProtectMe: Tokaku protects herself from machine gun fire by [[spoiler:hiding behind the puppet Banba, which magically protects her from every single bullet despite it being terrible cover.]]
* MasterOfIllusion: [[spoiler: Nio.]]
* MachineMonotone: [[spoiler:Sumireko's robots]] comment on the tea and cake like this.
* MadeOfIron: During the series, Tokaku has been [[spoiler:hit by an explosion, pushed out of a window, kicked across a room by a cyborg, and been crushed by a chandelier thrown at her by said cyborg]]. And yet, despite it all, she's able to walk and even run perfectly well almost immediately after.
* MarionetteMotion: [[spoiler:The robot replicas of the assassins at Sumireko's tea party.]]
* {{Masquerade}}: Class Black is a rumor to most of the student body and a regular class to their teacher.
* {{Meido}}: [[spoiler:In the final chapter, it is revealed that Banba is now Sumireko's maid.]]
* MercyKill: [[spoiler:Haruki]] wants to kill Haru to free her from her burden of being under constant threat. This might just be to try and justify killing Haru to herself, however.
* MirrorMatch: The last episode has two [[spoiler:Tokakus]] fighting each other; one of them is [[spoiler:Nio masquerading as Tokaku to test the limits of Haru's queen bee ability]].
* MissingStepsPlan: [[spoiler:Chitaru's plan.]]
** Phase 1: Enter Class Black
** Phase 2: ?
** Phase 3: Kill Angel's Trumpet
* MoodLighting:
** The fight between Tokaku and [[spoiler:Otoya]] is shot with intense purple light. It diffuses as soon as Haru intervenes.
** The fight between Tokaku and [[spoiler:Haruki]]: at first, the lighting is dark blue because the fight's in the dark, but when Tokaku gains the upper hand, it turns bright red.
* MurderInc: Class Black is full of assassins, and Tokaku's previous school Private Academy 17 also specialized in training assassins.
* MurderTheHypotenuse: In the manga, [[spoiler:Hitsugi poisons Shiena]] after she finds out that [[spoiler:Shiena]] is also in love with [[spoiler:Chitaru]]. Whether or not she aimed to actually kill her is unclear, but [[spoiler:Shiena]] is removed from the game nonetheless.
* MysteriousEmployer: The Academy Board Chairwoman, the founder and sponsor of Class Black, who directs the class through Nio. The chairwoman's identity and purpose are revealed in episode 11.
* MythicalMotifs: The Kuzunoha clan is named after the [[http://en.wikipedia.org/wiki/Kuzunoha same character]] in Japanese folklore.
* NeckSnap: Subverted with [[spoiler:Isuke, as Tokaku just knocks her out]].
* NewTransferStudent: Everyone in Class Black, except for Nio.
* TheNoseKnows: All assassins have a particular, unpleasant scent about them, according to Tokaku. It's the fact that Haru smells different from them that first hints that she's the target.
** Some, if not all, of the assassins have the same sense of smell that Tokaku has, since Nio deduces that Tokaku's not the target this way. In the manga, Nio's scent makes Haruki more distrustful of her than the others.
* NotGrowingUpSucks: [[spoiler:Suzu had to watch everyone she knew grow old and die while she stayed the same age. She also had to watch as her boyfriend got married to someone else and started a family]]. Her motivation to kill Haru is so that she can [[spoiler:grow old and die like a normal person]].
* NotSoStoic: Tokaku [[spoiler:after she thinks she killed Haru]]. Although there had been moments when she dropped her stoicism beforehand, [[spoiler:this time she full on weeps. Twice.]]
** In the final chapter, [[spoiler:Tokaku actually smiles, finally happy with Haru by her side. she also smiles at the end of episode 13.]]
* ObliviousYoungerSibling: Haruki's many younger siblings are unaware that their older sister kills people to provide for them.
* OffModel: The animators tended to forget Nio's stockings. This wouldn't be a big deal if not for the fact that [[spoiler:she wears them to hide the massive tattoos running down her legs]].
* OlderThanTheyLook: [[spoiler:Suzu]].
* OutOfClothesExperience: [[spoiler:Tokaku and the spirit of her dead mother]], after [[spoiler:Isuke pushes Tokaku off a building]]. This is where she [[spoiler:regains the ability to kill.]]
* ParentalNeglect: A very severe case with [[spoiler:Isuke, who was so badly neglected by her parents that she almost died. Luckily for her, Eisuke was there to save her. Unfortunately, he was too late to save her brother]].
* PinkGirlBlueBoy: Haru and Tokaku, sort of. Haru's eyes are pink, and she's definitely the more girly one. Tokaku's colour scheme is very blue and she's a bit of a tomboy.
* PrisonersWork: In the final chapter [[spoiler:Otoya can be seen picking up weeds in prison, suprisingly cheerful.]]
* ProfessionalKiller: Have you read the synopsis?
* ProtectiveCharm: In both cases, they are more psychological than mystical.
** Haru claims to have one of these on her to protect her from dying, stemmed from [[spoiler:how her family gave their lives to protect her. She says that her family cast a spell on her so that she won't die.]] Tokaku disagrees, however, calling it a curse
** Tokaku's [[spoiler:Aunt]] in a way cast one on Tokaku, [[spoiler:claiming that her mother is watching her from a shrine, so when she thinks about killing she remembers the shrine and is unable to kill.]] Tokaku considers it a curse.
* PsychoticSmirk: Plenty to go around. Otoya and Nio are particularly fond of this trope.
* PsychoLesbian: The vast majority of the characters, [[spoiler:but especially Takechi... My God Takechi...]]
* RackFocus: The anime uses this extensively, sometimes shifting the focus over three different objects in a row.
* RedOniBlueOni: Haru and Tokaku.
** Chitaru and Hitsugi also, if you can count Hitsugi's hair as blue.
* ResignationsNotAccepted: Clover Home, [[spoiler:Kouko]]'s organization, accepts death as the only form of resignation. This is the reason [[spoiler:Kouko]] needed to use her wish to try to quit.
* RiddleMeThis:
** Kaiba regularly sends Tokaku riddles through her phone. He seems to use them to gather some kind of information about Tokaku's development, and claims that Tokaku might be punished if she doesn't answer them. In the dub, Kaiba quotes this word for word.
** Suzu's assassination attempt is built upon several riddles.
* RemovingTheRival: Poor Shiena.
* RingRingCrunch: A variant in episode 3. When Otoya is woken up by an alarm clock, she brings her fist up to silence it... only to thoroughly crush Shiena's glasses instead. [[spoiler:This was an intentional move and a crucial part of her assassination plan]].
* RomanticTwoGirlFriendship: The relationship between Hitsugi and Chitaru. Episode 6, and their dual ImageSong, calls into question if it really was this or full-on love. [[spoiler:The manga confirms it on Hitsugi's side, but Chitaru's is ambiguous, given that Hitsugi did kill her mentor's daughter]].
* RomanticSpoonfeeding: During the Academies Anniversary festival, Haru seemingly teases Tokaku with this until Tokaku actually takes a bite, to Haru's surprise.
* RuleOfSeven: Tokaku's first password attempt to defuse the bomb strapped on Haru is 7777 and the other two have 7 on them; all of these happen in episode 7. To make things interesting, said episode [[spoiler:stars Suzu, student no. 7 on the role, whose birthday is 7/14, and is the 7th one expelled.]]
* RunningSequence: The fourth ending mainly features the focus character walking briskly to the beat of the song.
* RunsWithScissors: Otoya [[spoiler: charges at Tokaku with a giant pair of scissors]].
* SadisticChoice: One of [[spoiler:Suzu]]'s riddles: "One in the water, in exchange for something valuable." The "something valuable" is a choice between [[spoiler:the card containing the last clue that must be destroyed in order to escape the trap]] or [[spoiler:Tokaku drowning underwater and losing her life, and thus dooming Haru by extension]].
* SceneryCensor: Lots of it, what with all the bath scenes, but the most creative one is in episode 6, which has a leaf cover Chitaru's behind. A sliding drop of water allows the leaf to bend just as Chitaru settles in the bath.
* SchoolPlay: For Myojo's Anniversary Festival, Class Black puts on ''Theatre/RomeoAndJuliet'', with Chitaru as Romeo, Hitsugi as Juliet, and Shiena directing. [[spoiler:The anime version of the play has a twist in that the characters playing Romeo and Juliet actually die for real in front of the audience, while masking it as part of the act; the manga has a similar twist where Chitaru kills Hitsugi.]]
** [[spoiler: In the final chapter, it's shown in a panel that both Chitaru and Hitsugi are alive.]]
* SecretKeeper: [[spoiler:Haru]] portrays herself as innocent and oblivious, despite being privy to the truth behind the purpose of [[spoiler:the Black Class]].
* TheSevenMysteries: Myojo Academy has seven wonders, but only three of them are mentioned, and only one of those three are actually investigated.
* ShearMenace: Otoya's weapon of choice when [[spoiler:cutting up cute girls to death to feel sexual pleasure]]. They come in two sizes; regular and fucking massive.
* ShoutOut: Episode 7 has a couple of shout outs to ''Franchise/{{Batman}}'': The first combination to a code that Tokaku tries is 7777 (in Japanese, ''[[Series/Batman1966 nana nana nana nana]]''), and one of the cards used for the clue is a Joker.
* SickeninglySweethearts: [[spoiler:Chitaru and Hitsugi throughout the OVA.]]
* SinisterSurveillance: The entire academy and Class Black is constantly monitored by the chairwoman Meichi (and sometimes Nio, through a tablet-like device) through several hidden cameras.
* SlippingAMickey: Isuke serves drugged tea to Haru at one point. [[spoiler:It doesn't work, thanks to all the surgeries Haru has been through]].
* SmashingWatermelons: Nio suggests doing this in episode 7, and Sumireko asks if they can use whatever weapons they want (being assassins), bringing out a sub-machine gun. Tokaku ends up slicing open the watermelon [[spoiler:to find the first card they need for Suzu's game]].
* StealthPun: The term "black" here has multiple meanings in Japanese and regular slang, ranging from "elite" (see "black belt") to "illegal activity" (see "black company").
%%* AStormIsComing: Episode 8.
* SuperStrength:
** Haru once kicked [[spoiler:Otoya]] so hard that she was thrown into the air and sent back a few feet.
** Tokaku did the same to [[spoiler:Haruki]].
** [[spoiler:Sumireko's ArtificialLimbs grant her this.]]
* TimeBomb: [[spoiler: Suzu]] straps one of these around Haru's neck.
* TogetherInDeath: [[spoiler:Chitaru attempts this with Hitsugi after stabbing her, but the final episode reveals they both survived and Chitaru is still recovering from trying to poison herself. They also survive in the manga.]]
* TrademarkFavoriteFood:
** Haruki is hardly ever seen without a stick of "Rocky" in her mouth.
** Tokaku seems to survive solely on curry. Many Tokaku/Curry jokes have been made by the fandom.
** There are a surprising number of ships for Nio. Nio/Tokaku, Nio/Haru, Nio/Yuri, Nio/Isuke, Nio/Tokaku/Haru. But the fan favorite seems to be Nio/Melonbread.
* TransferStudentUniforms: Each member of Class Black wears a different uniform, although none of them seem to be the actual Myojou Academy uniform. Nio might be wearing the correct uniform, but it's hard to tell as all of the normal students are all monochrome.
* TwelveEpisodeAnime: With some of the interactions between the characters removed, they were able to squeeze the story into 12 episodes well enough. There's also an OVA.
* TwentyMinutesInTheFuture: The story seems to be several years into the future. Myojo Academy has advanced technology such as touchscreen bulletin boards and tablets that can be linked to surveillance cameras. The fact that Haru's year of birth is labeled as 20XX supports this.
* UnexplainedRecovery: Three characters ([[spoiler:Hitsugi]], [[spoiler:Haru]], and [[spoiler:Nio]]) are "fatally" stabbed in the heart and chest regions, but fully recover with no signs of lasting damage; [[spoiler:Chitaru]] recovers perfectly fine (although slowly) after [[spoiler:drinking a whole vial of poison]]; and [[spoiler:Sumireko]] somehow fully recovers from [[spoiler:falling down a 90-floor building, but then again, her body is made of steel]]. Out of all of them, only [[spoiler:Haru]]'s case provides any semblance of explanation: [[spoiler:titanium in her ribs]].
** [[spoiler:Haru's survival is given no such explanation in the manga's finale.]] Probably for the best as it was a ridiculous explanation in the first place. That said the chairwoman does state that her medical team is top notch and not to be underestimated.
* WackyMarriageProposal: Essentially what [[spoiler:Tokaku asks for as her prize for winning Class Black. When asked what she wants by the Director, she boldly declares "I want Haru! Give me Haru!" This is pointed out by Yuri, who says "It's like you're proposing or something."]]
* WeHardlyKnewYe: [[spoiler:Shiena]] is taken out before she even gets a chance to do her attempt. Hell, in the anime she's out before we even learn anything about her.
* WhamEpisode: Episode 6. It breaks the assassin-of-the-day pattern of the previous episodes by [[spoiler:eliminating ''three'' assassins at once]], and presents the first instance of CharacterDeath in the series by [[spoiler:killing off the two assassins that were put in focus]], while making parallels to [[spoiler:''Theatre/RomeoAndJuliet'']] to emphasize the circumstances. By the end of it all, even Tokaku and Haru were shaken.
* WhatIsThisThingYouCallLove: An anime advertised as a survival game with lesbian assassins [[spoiler:is more like a story about Tokaku discovering what emotions are- she and Haru are irrefutably gay for each other though, so that much was true.]]
* WhenSheSmiles: Though only half of the requirements are met [[spoiler:Tokaku's smile to Haru on the final page could be considered this.]]
* WorldOfActionGirls: Every named girl is a trained assassin, and target Haru herself is no slouch either.
* YearX: Haru's birthday is shown be to January 1st, 20XX.
* YuriGenre: And most of them show attraction toward other girls.

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