Mangas

After watching a TV special starring an evil princess character, Kikka believes she can rule over her entire class by subjugating her homeroom teacher, Tsuji. However, she unexpectedly approaches Kikka herself...(Description from Manga Time Kirara MAX's April 2021 issue)
Opportunity Planetarium
Un manga silencieux.
聞こえない声 -  Kikoenai Oto -  Silent Voice
Imai, who belongs the baseball club, has feelings for his clumsy kouhai, Hikita. Hikita, whose face falls into a continuous scowl when he's nervous... That kind of Hikita is cute, nothing else to it. "When you're this cute, I'm the one who has to be careful..." Even while touching in this helpful senpai's heart of hearts, he wants to touch Hikita's naked body...?!
キク
1992
Edou kiku n’est pas un élève comme les autres. Il est considéré comme le pire délinquant de sa catégorie, un vrai bon à rien. Mais au fond de lui il se cherche, il sait que ce n’est pas quelqu’un de mauvais et suite à des rencontres, il trouvera son chemin, même s’il doit se battre avec la force de ses poings.
Kill Big Brother -  Убей скотину -  キルアニ
Kazuki just inherited a large sum of money, the only problem is there may be a hitman out for his life.

Kill Switch

5.00
킬 스위치
Jeongwon, qui est traumatisé par les véhicules à quatre roues à cause d'un accident de voiture, a été transporté par hasard sur le vélo de Kim Jisoo au cours du nouveau semestre. Elle tombe amoureuse de Jisoo dès le premier regard et acquiert un sentiment de liberté inconnu. Hwayeon, une des amis proches de Jeongwon, est consciente des sentiments et des inquiétudes de Jeongwon. Plus elle essaie de les séparer l'une de l'autre, plus Jeongwon veut se rapprocher de Jisoo...
킬 더 드래곤
Yumeoi -  ユメ負イ

Killing Bites

4.75
キリングバイツ
2013
Les gens ont créé des hybrides humains-animaux et de puissants pari d'affaire résultent de leurs duels. Un jour, les connaissances occasionnelles de l'Étudiant universitaire Nomoto Yuuya lui demandent de faire le chauffeur pour prendre des filles, il découvre bientôt qu'ils veulent utiliser la force. La fille qu'ils enlèvent est un hybride animal-humain nommé Hitomi, qui les abat tous sauf Yuuya. Hitomi est un ratel (une sorte de blaireau omnivore), qui a été appelé le plus intrépide de tous les animaux. Maintenant Hitomi est assignée à rester avec Yuuya, pour sa protection !
キリングミー/キリングユー - 
2017
Ever since a meteorite fell, the world has become strange. Two young immortals, Mithia and Youthanasia, are traveling through this crazy world in hopes of finding a way to die.

KILLMAX

4.44
2019
Un projet Kennycomics x Silentmaru.

KILLMAX 2.0

4.25
2020
Max fait partie d'une lignée de sorcières et est contrainte de fuir à cause des chasseurs de sorcières. Mais lorsqu'elle trouve, inconsciemment, un moyen d'utiliser la magie, sa vie va changer d'une façon qu'elle n'aurait pu imaginer.
気まぐれな僕の猫 -  Kimagurena boku no neko -  My Capricious Cat
A really short story about the hardship of having a total egoist as a lover.
きまぐれオレンジ☆ロード, KOR, Orange Road
KOR is the story of the Kasuga family, but mostly the oldest son, Kyosuke (who narrates), as they move to a new town after being found out to be a family of ESPers. Kyosuke meets a pretty young girl as he counts the "100 steps" (there may only be 99) that lead to his new school and is immediately smitten. However, by the end of the second episode, the pretty young girl, named Ayukawa Madoka (as in Japanese custom, I use the family name first) has agreed to help her best friend Hiyama Hikaru win Kyosuke. Thus, a love triangle is born that lasts for 18 volumes. 
KOR is the story of the Kasuga family, but mostly the oldest son, Kyosuke (who narrates), as they move to a new town after being found out to be a family of ESPers. Kyosuke meets a pretty young girl as he counts the "100 steps" (there may only be 99) that lead to his new school and is immediately smitten. However, the pretty young girl, named Ayukawa Madoka has agreed to help her best friend Hiyama Hikaru win Kyosuke. Thus, a love triangle is born
気ままに探偵業 -  Ki mama ni Tanteigyou -  Kimamani Tanteigyou -  The Willful Private Detective Agency -  Willful Detective Agency
From Aarinfantasy: The young Yamato Yousuke searches for a way to follow in the steps of his father, a detective who passed away in mission trying to save a little kid who got kidnapped. Finally, an opportunity to become a detective himself has arisen, but in the middle of carrying out his first assignment, a test to see if he would be a good detective, Yousuke suddenly gets hired, apparently for no reason. There must be a secret behind all this...
Kimama ni Tokyo Survive: Moshimo Nihon ga Mamono-darake de, Level-Up to Hack-and-Slash Youso ga Atte, Surivial Seikatsu Made Tanoshimetara -  Kimama ni Toukyou Sabaibu: Moshimo Nihon ga Mamono-darake de, Reberuappu to Hakusura Youso ga Atte, Sabaibaru S
White-collar worker Gotou Shizuka is attacked by a slasher who suddenly appears in the heart of the shopping district. Just as she is lost to her wounds, she hears a voice ring in her head."You have been defeated. Commencing termination countdown."Due to the counsel of the "Night Guide (Guidance)," she narrowly escapes death and awakens with an ability that ordinary people do not possesses. In the same instance, this world became connected with another and monsters begin to spring forth… Gotou makes a decision to fight against these monsters. With her positive nature and bold and carefree attitude, she throws herself into the heat of the battle while leveling up and making weapons.[hr]
鬼面童子
2005
Dans un monde où les humains vivent dans la peur des démons; Yura, un enfant humain doté de cornes de démon et vivant à l'écart de ses congénères, se fait passer pour l'un d'entre eux auprès des villageois. Il mène une existence paisible, jusqu'au jour où un démon attaque sa famille et tue ses parents... Il rencontre alors un guerrier errant possédant lui aussi des cornes: Onikirimaru, connu pour tuer d'autres démons. L'amitié naissante entre un homme marqué par la vie et un jeune garçon plein d'espoir..
キメツ学園!
Manga dérivé du court anime humoristique Kimetsu Gakuen!, spin-off parodique de Kimetsu no Yaiba / Demon Slayer.
キミだけに愛されたい -  I Want Only You to Love Me -  Kimi Dake Aisaretai -  Kimi Dake ni Aisaretai
From Shogakukan: Futaba is a lonely girl who is sleeping with all types of men these days. But when a man who truly loves her appears before her for the first time...? This is a love story for girls who are lonely and sensitive.
A Devil Just for You -  Kimi Dake no Debiru
Sango, a 16 year old, cute, hyper, and somewhat reckless girl, gets rescued one day by a green-eyed boy with black wings who calls himself Kai and claims to be Sango's "guardian devil"...? Includes a side story called 100% Natural Fairytale about a school girl and boy who discover winged-fairies.
君が主で執事が俺で -  They are My Noble Masters
Due to family troubles, Ren Uesugi and his sister, Mihato, leave their home. They end up moving to the city but find themselves with a lack of money. Somehow they are able to find work in the form of the Kuonji family's mansion, being employed as servants to the three sisters of the Kuonji family: Shinra, Miyu, and Yume. Being a servant also associates Ren with the mansion's additional servants and the Kuonji sisters' friends. [By MangaUpdates]
Back When You Called Us Devils -  The bird has flown, that ship has sailed -  你将我们称作恶魔之时 -  你將我們稱作惡魔之時 -  君が僕らを悪魔と呼んだ頃 -  Kimi ga Bokura o Akuma to Yonda Koro
2017
君がいなきゃダメって言って -  说你不能没有我 -  Say You Can't Be Without Me
2014
"Ce n'est pas bon si tu n'es pas là". Au début du printemps, une histoire d'amour douloureuse et frustrante entre amis d'enfance commence.
君が君であるために -  Kimi ga Kimi Dearu Tameni
Summary taken from the back of Cover: What will happen when a human has extra power? What will happen when that power is used to fulfill all of his will? Masami, who often looks like an innocent little boy, apparently has the power that he uses as a killer weapon. He even dares to hurt his own mother in order to reach his goal. What will shogo do as his best friend?
A Story of an Unlikely Love, История о маловероятной любви, 你不喜欢的恋爱的事, 君がキライな恋の話
La membre favorite du comité, Chihiro, l'enfant à problème qui saute toujours les cours, Kisaragi-kun se retrouvent forcés de coopérer, et leur relation change... !! Chihiro était très troublée par la mauvaise langue et le manque de coopération de Kisaragi, mais...!? La membre favorite du comité et le beau délinquant, un coeur palpitant commence l'amour de l'école !
Yamano Tomoya, lycéen, est souvent comparé à Sherlock Holmes pour son trait de caractère, déduisant rapidement les énigmes. Il est aussi amoureux de longue date de Tanigawa Saki, une camarade de classe. Le "suicide" d'une élève de l'école va les faire se rapprocher, d'une manière assez inattendue ! Vont-ils réussir à résoudre l'enquête ?
キミが好きとかありえない, Kimi ga Suki to ka Arienai, Kimi ga Suki to Kaarienai
Kana, who has zero experience with love and can't even talk to a boy, loves to read about it in her favorite manga, which according to her friends is completely unrealistic. Annoyed by their cynicism, Kana declares that she will finally get herself a boyfriend and prove them wrong. Suddenly, a handsome transfer student arrives. Is this love at first sight? Does she have a chance with this popular boy? Why does he seem to know so much about her?