Koutei Gentei

Mio and Ao are twins and they resemble each other in almost everything, beside the fact that Mio is a girl and Ao is a boy. They get along quite well and they always support each other, so when Ao tells Mio that he wants to become a member of LUNA, a group of young models, she is very excited. But unfortunately Ao can't attend the casting so Mio cuts her hair and decides to impersonate her brother for the casting. Though at the casting they immediately realizes that "Ao" is actually a girl, they decide to let her...

Koko ni Iru yo

Hikage is a reclusive 8th grader who no one seems to notice her. She finds comfort by planting a sunflower at school and in her blog, with only 2 people who comment on it, MegaPIG and Black Rabbit. They listen and give Hikage advice on everything. But, everything changes one day when two cute boys notice her. These boys are the most popular kids in the entire school, Teru and Hinata. When one of them tells her something that she's always wanted to hear, she might change to be like her classmates...
Will she by loved by everyone in the class?

Koisuru Heart ga no to iu

Sawa is a representative of the student council and the valedictorian of her grade. A teacher had asked Sawa to persuade Tatsuki who has been ditching school and have not been attending his classes. But when she goes to the Educational Guidance Room to speak with him she sees him fooling around with a girl. She decides to go to his house to talk to him, but he takes her out with him and tells her, “If you want me to attend school, all you have to do is kiss me once” but… At that time she thinks, I will really kiss you !?

Also includes:
Sonna Koi no Hanashi
Doruchu
Seiya no Kiss

Koi, Hirari

The food loving and pure-hearted Sumire Misaki's family is moving to the same town where her mother and father met and fell in love. Sumire's mother tells her that it's a town where she'll fall in love, and it she meets her first love in a very unexpected way: the good-looking Kazuki Miyamoto, as he tries to escape from his home. Through an unfortunate set of events, the wheels of fate have begun to turn for Sumire, as Kazuki is more than he appears to be. In fact, he's a traditional dancer! Will Sumire's first love be a happy one? Or does a bumpy road await her?

Koi no Himitsu Kichi

Aisu is a daughter of the Outori financial combine family. She loves Hiro at first sight, who is a friend of her childhood friend Ren, and she enrolls at the same high school that Hiro attends. However, her father forces her to get married, so she explodes in anger...!

Koi Gokoro Gekokujou

From Shoujo Manga Maniac: Minori's childhood friend, Shin, has always been a crybaby and even though he's considered the charming prince of the school, Shin is still a crybaby in disguise! Minori consider him no more than a little brother, but is Shin's crybaby character his real character?

Koakuma Lion

Uno and Leo are neighboring childhood friends. One day, a friend tells Leo that he should become a model. Now, they are high school students, and Leo has become an extremely popular model... yet he acts like a spoiled child around Uno!

Kiss me Host Gumi

I'm Anzai Mako, 15 years old. This spring I'm going to start a wonderful life at high school... or at least I was supposed to! There's a Host club of young and good-looking rich men that do such odd jobs!! Suddenly I was snatched away by their leader?!

Kimi to Scandal

Shiho is a big fan of Eiji, a very cool and charismatic singer. One day, he shows up at her door, with an announcement that he'll be living with them from now on... As her brother (Eiji, being the son of Shiho's father's girlfriend before his marriage)... Her dreams are rather shattered by the reality that Eiji really isn't as cool as he seems to be. When he has his glasses on, he's very huggy and cuddly and she doesn't like it at all. Eventually she starts to fall for this side as well, although it just kills his image.

Kemono ni Botsuraku Ojousama

16-year-old Jounouchi Youko is a young girl who has just transferred to a new high school due to her family's recent financial losses. During her first week there, she is assigned to the weekly infirmary duty with a the most dangerous guy in school, Tsukina-kun! How will she deal with Tsukina-kun and her infirmary duties at the same time?

Kaze no Yubiwa to Hikari no Udewa

Our heroine is a girl who was born with magical power, and can give that power to magic users, since magic users don’t have power on their own. But her teacher sealed her power with a ring and a bracelet. She’s traveling to a sacred temple in order to take off the ring and the bracelet, and on the way, she meets two magic users who saves her from those who attempt to steal her money, her ring, and her bracelet. So even though she doesn’t really trust magic users, she still started traveling with them.. What fate awaits the trio?

Kawaii Ore-sama

Seri, a girl who loves cute boys, finds herself being zeroed in by Shin, a boy who calls himself "ore-sama".

Kareshi Toshishitakei

Her childhood friend, Sou, returns from America for the first time in 5 years. Ai is really happy to see that he has become very angelic looking in the time that they've been apart. However, one day he says, "I will definitely make Ai mine", and forcibly kisses her! To get treated like that by someone three years younger than her and who she's always treated as a younger brother takes Ai by surprise. It would definitely make Ai's heart skip a beat, wouldn't it?!

kami-sama

Natsume has been engaged to Kasuga since they were six. After not seeing each other for ten years, she is so excited to see him only to find out how cold of a person he turned out to be. What’s more? Their fathers conspired to have them live together in one house and made them go to the same High School.

Jun'ai Junkie

Mana is a manager of the boys' basketball club of Saijo High School. She repeats blunders, but always tries as hard as she can! She is a first-year student, and in one-sided love with Haruka, an ace player. Haruka is so cool that he is likely to be isolated in the club. Mana wants to help him, but...!?

Jewelry Eyes

Sakaki Luna's dad is a Psychiatrist. So, she inherits the hypnosis ability. She uses the ability to repel Molesters/Sexual Harassers. But she must keep this a secret because when she was in Elementary School, people found out about her secret and they isolated her. Even the teachers! Also if Kitagawa Eiki found out about her eyes, would he hate her?

Iya X Shite

Ruho Miyatsuki wants to fall in love but she is total unable! One day she discovers the existence of a "therapy club" that helps girls to cure any kind of problem! She tries out and meets 3 bishies guys and the president of the club while trying to make her feel confortable with a massage create a reaction and from that time on every time someone touch her breasts she goes crazy for sex and tries to "have more"...Will she be able to be cured and finds her prince or maybe it's really near her now?

Ipaasha

A playboy prince of a small country needs to win over a frivolous princess of a successful kingdom for the sake of his country. What he didn’t expect was his feelings for the princess’ timid maid. What will happen when the princess finds out about them? Will the prince forsake his country all for his forbidden love?

Iinchou no Himegoto

After getting drunk at the baseball game after-party, the class representative, Ayano, woke up after a long sleep, only to find herself in bed next to Kagura, her classmate, and she was only wearing underwear! Not only that, but Kagura is the mafia Kagura group’s 10th generation head! After meeting this evil guy, what sort of fireworks will happen between these two?

Ibara no Okite

Earl Craven's territory is laden with rules to abide - when the earl himself walks in the hallway, all servants present should turn their back on him, avoiding his gaze, which is why even his servants call him "the devil"... except for one. Priscilla is a maid in Earl Robert Craven's abode and is the only one who captured the young earl's tender heart. But what happens when a rich woman comes and calls the earl her future husband for the sake of business? Will their love prevail, or will their social status hinder them? This is a story about the struggles and trials of the star-crossed lovers.