[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/kurenai1.jpg]]
[[caption-width-right:300:Murasaki & Shinkurou]]

'''''Kure-nai''''': Shinkurou Kurenai is a 16 year old boy who earns his living by settling disputes between people. This usually involves some degree of violence, which he deals with just fine, as he is very strong and proficient at martial arts.

One day he gets a very special assignment: being the bodyguard of Murasaki Kuhoin, a 7 year old girl from a very rich, plutocratic family. At first he has quite a bit of trouble with her snobbish nature, which is obviously the result of the very sheltered upbringing within the "Inner Sanctuary" of her family estate. As they spend their time together, they start to appreciate each other more and more, leading to a deep friendship which affects their lives immensely.

The series started out as a LightNovel series but has grown to include both a manga and an anime adaption. The anime ends after the first arc, but both the original light novels and manga are ongoing. The series takes place in the same universe as ''LightNovel/DenpaTekiNaKanojo''.
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!!''Kure-nai'' provides examples of:

* ArtShift: The opening animation compared to the rest of the anime.
* BerserkButton: Set off by actual physical harm to someone Shinkurou should be protecting.
* {{Bifauxnen}}: Yayoi, Lin, and to some extent Benika.
* BifauxnenAndLadette: Lin and Yayoi.
* BigFancyHouse: Well, a really big estate...
* BigScrewedUpFamily: The Kuhoin family's traditions are... weird, to say the least.
* BittersweetEnding: Shinkurou actually manages to [[spoiler:get hold of Murasaki after she gets kidnapped back by her family. She decides to stay though to fight their traditions, so Shinkurou still has to leave her behind]]. It's a little less dramatic in the manga, and doesn't end the series.
* BlessedWithSuck: Shinkurou's [[spoiler:built-in sword may be cool, but it's pretty scary too]].
* BodyguardCrush: Sort of. Murasaki and Shinkurou start caring for each other a lot, but it's obviously not romantic. Also, due to Murasaki's misunderstandings about the nature of romantic relationships (and relationships in general) she sometimes speaks and acts as if she wants to be Shinkuro's girlfriend (or thinks she already is).
* BrotherSisterIncest: [[spoiler: Murasaki's predestined role is explicitly to bear her brother's children.]]
* CarFu: In the ''snow'', no less.
* ChekhovMIA: Played straight with [[spoiler: the Houzukis' previous student. It seems he was responsible for the fire that allowed Yuuno to accept Shinkurou as part of the family.]]
* ChildrenRaiseYou: one of the reasons that Benika chose Shinkuro for the task of being Murasaki's bodyguard.
* CrouchingMoronHiddenBadass: Shinkurou. In the manga Tamaki also proves to be a proficient martial artist, [[spoiler:helping take down terrorists and even holding off Yuuno when she tries to stop Shinkuro from going to rescue Murasaki by force.]]
* CuteAndPsycho: Do not let Kirihiko near anything sharp (why do you think her street name is ''[[NamesToRunAwayFromReallyFast Guillotine]]?'')
* CutenessProximity: [[http://www.mangafox.com/manga/kure_nai/c029/20.html Ginko]]
* DangerousForbiddenTechnique: See the BlessedWithSuck and SwissArmyAppendage sections. [[spoiler:Not nearly as dangerous in the novels, given how frequent Shinkurou relies on it.]]
* DrivenToSuicide: [[spoiler: Murasaki's mother]], in the anime.
* FailureKnight: [[spoiler: Yayoi]]
* FishOutOfWater: due to the extremely isolated manner in which Kuhoin women are raised, pretty much everything Murasaki encounters outside the Kuhoin estate is unfamiliar to her.
* HardDrinkingPartyGirl: Tamaki.
* HeelFaceDoorSlam: [[spoiler: Kirihiko]]
* HollywoodToneDeaf: When practicing their parts in a musical Yamie proves to be this, and Yuuno even more so, but it goes away for both of them once they stop practicing from the script and start improvising instead.
* {{Joshikousei}}: Shinkurou's female fellow students at his high school.
* KnifeNut: Kirishima Kirihiko
* KnowledgeBroker: Ginko
* LivingLieDetector: Murasaki
* LonelyRichKid: Murasaki, to the Nth degree.
* {{Lolicon}}
** Shinkurou isn't a lolicon, but some of the characters jokingly refer to him as one because of Murasaki. And then Murasaki gets hold of the word without realizing what it really means... It doesn't help that Yuuno's little sister, Chizuru, is always jumping on him too.
** [[spoiler: Ruuji, Murasaki's [[BrotherSisterIncest older brother]] [[{{Squick}} really has the hots for her]]...]]
* LoveHotels: Shinkurou lives opposite one.
* MeaningfulName
** Murasaki, from the classic Japanese novel ''Literature/TheTaleOfGenji'', was kidnapped as a little girl by the protagonist Hikaru Genji and raised to be [[WifeHusbandry the perfect wife]].
** The kanji for Murasaki's name means "purple" or "violet", and Renjou's wife Kazuko makes a statement about sometimes accidentally stepping on violets, which can be taken as a metaphor for her treatment of Murasaki.
** The second symbol in the kanji for "Kuhoin" is "feng", a mythical Chinese bird which is the king of all other birds, and the third symbol means "imperial palace" or "emperor", both of which are possibly references to the plutocratic nature of the Kuhoin family.
* {{Meganekko}}: Ginko
* MusicalEpisode: The characters start practicing for a musical to be held at a local park, but they soon throw away the script and start improvising. One of the best examples out there, it oddly doesn't feel out of place at all.
* MurderInc: The Akuu Company.
* {{Ninja}}: Yayoi
* TheOjou: Murasaki. Yuuno Houzuki qualifies to an extent.
* OrdinaryHighSchoolStudent: Shinkurou, aside from [[spoiler:the blade lodged in his right arm]].
* ParentalAbandonment: Parents in the series are either: dead, uncaring, or non-existent. There is one nice parental figure shown, but he's a grandparent.
* PerkyGoth: Yamie, although her perkiness varies.
* PlayingAgainstType: Miyuki Sawashiro plays Shinkurou. Aside from the fact that her roles are usually female, she usually plays either "shy and cute" characters or just TheOjou. Shinkurou is neither. But Miyuki actually does play an Ojou-esque character in one episode.
* PragmaticAdaptation: The anime in relation to the original material. And [[OriginalVideoAnimation OVAs]], which combine both.
* ScarfOfAsskicking: Kirihiko wears one over her mouth, {{Ninja}}-style.
* SelectiveObliviousness: Shinkurou seems to be unaware of Ginko's feelings towards him. He'd probably ''like'' to be oblivious to Yuuno's feelings for him, but she's too forward for him to ignore it. He still manages it though. Shinkurou puts "effort" into being oblivious, so much so that he doesn't even notice even Yuuno's blatantly obvious love for him.
* ShooTheDog: [[spoiler: Yuuno basically excommunicates Shinkurou from her family to prevent Red Cap from killing him when even his DangerousForbiddenTechnique fails.]]
* ShrinesAndTemples: Murasaki visits a shrine with Shinkurou and his neighbors to celebrate that she's seven years old.
* SinkOrSwimMentor: Benika likes Shinkurou to learn things the hard way.
* SlasherSmile: Lin.
* [[spoiler:SparedByTheAdaptation: In the novels, Lin dies after Kirihiko kills her by cutting her head off. However in the manga, Kirihiko slashes Lin's throat but she manages to survive thanks to Murasaki's medical team.]]
* SwissArmyAppendage: [[spoiler:Shinkurou, while living with and being trained by the Houzuki family, had a blade put into his right forearm that he can release at will. (In the anime, it is activated when he gets too agitated in combat.)]]
* {{Tearjerker}}: [[spoiler:Murasaki being recaptured by the Kuhoins]]. Also, Shinkurou's dream at the end of the series.
* TwelveEpisodeAnime
* UnluckyChildhoodFriend: Ginko and Yuuno. While Shinkurou doesn't return Yuuno's feelings any more than he does Ginko's, he does hang out a lot more with Yuuno than with her. Also, when they were little kids he [[ChildhoodMarriagePromise promised]] that when they grew up that they'd run Ginko's family ramen shop together, but instead ended up learning the martial arts of Yuuno's family and decided to become a dispute mediator instead.
* UnwantedHarem: A relatively mild case. Shinkurou has Ginko, Yuuno, and Murasaki gunning for him. Shinkurou cares about each of the main three, but in a platonic sense. Tamaki doesn't seem to be interested in Shinkurou romantically, but that certainly doesn't stop her from teasing him every now and then (especially [[HardDrinkingPartyGirl when she's drunk]]). Yuuno's younger sister, Chizuru, also has a crush on him. Kirihiko is thrown into the mix with her [[LuminescentBlush blushes]] whenever Shinkurou praises her in the manga.
* WifeHusbandry: Inverted: [[spoiler: Murasaki has been raised since birth to be the mother of her brother's children, and is then kidnapped to ''prevent'' this]]. Also notice the MeaningfulName in relation to the trope's namesake.
* WiseBeyondTheirYears: Murasaki varies between believable childish na´vetÚ and unusual wisdom during most of the series, and then has her wisdom turned up to eleven at the end of the last episode.
* XanatosGambit: Benika's plan to "poison the prize". See the page for details.
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