It's a different world where puberty is the result of a butterfly-like metamorphosis rather than simple growing up. Sometimes it goes wrong…

A girl finds her friend has been possessed by the ancient spirit of an American Indian warrior, who has been involved in the deaths of numerous presidents.

High schoolers Yuki and Shigeru aren't dating, but still enjoy a highly active sexual relationship. Naïve and still very child-like in the way they think, it comes as a great shock to them when Shigeru discovers she's pregnant. The two are confronted with the decision of aborting the baby and wounding Shigeru, or to keep it and face great opposition from their parents and high school, and *gasp* miss their beloved Conflict concerts!

2nd grade junior high school kid Shirai Sachi (14-years old) gets tutored by the beautiful and easy-going woman Chabatake Nana (21-years old). Although she slacks off when tutoring, actually not helping his studies at all, for Sachi it's all fine and dandy. Being alone together with a hot, older woman in his own bedroom, frolicking around, unintentionally revealing neathage, or just lying down on his bed, with her bare long legs or the cleavage of her ample breasts in perfect view. Who could complain? It's an adolescent boy's fantasy fulfilled!

Tachikawa Tetsuya in an incoming freshman at a new high school and he’s a great archer. He wants to join the archery club to meet the one they call “Kami no Ko”, better known as Fudou Gonzaburou. Tachikawa is good, but he’s heard that Fudou is even better. The archery team at this school is in fact very good. Tachikawa also meets a pretty girl who is already a member of the club (he accidentally walked in on her while she was changing). She’s not very good from the look of things, but she is his senpai and he defers to her. She takes an immediate liking to him and kisses him after practice. Let’s try just to get past the fact that this girl is actually a boy, named Fudou Gonzaburou…

Ogawa Tomoo, a high school boy, can not figure out why his classmate, Oomori Yuka, likes him so much. Unlike him, she's friendly, upbeat, excels at sports and is one of the most popular students in the school. Tomoo doesn’t understand why someone so attractive would be interested in someone like himself. He decides to push Yuka away for her own good but her persistence eventually pays off and he can not help but be attracted to her.

As a child, Yashiro Nonoyama developed an intense fear of men due to boys constantly bullying her. Now in high school, she dreams of being reunited with her first love: a girl who protected her one day from her bullies. Yashiro is in disbelief when a transfer student named Mikoto Saionji arrives who looks a lot like her first love, but she later discovers that Mikoto is actually a guy, and that he was her first love. Yashiro learns that Mikoto is rapidly turning into a girl, and the only way to counteract this change is for them to passionately make out with each other every day.

In a world where mankind and vampires live side-by-side, Yayoi can't ignore his feelings for his classmate, Chitose. Chitose is a pure-blooded vampire. Those feelings soon turn to action as the vampire makes it perfectly clear he sees right through Yayoi. Chitose insists that all they're doing is feeding, but the slow, gentle touch of his tongue, the care with which his fangs pierce Yayoi's skin and the warmth of his embrace suggest otherwise…

The story centers on a 13 year old boy who is pushed around by a mysterious 17 year old girl. First she forces him to let her move in with him, then she takes his bed and that's only the beginning. What's in store for this innocent 13 year old boy whose life is being throw upside down by this girl!? Ah, the dream of 13! Kouta is our normal everyday boy, living with his fun-loving workaholic father. Lusting after the school idol in his class, playing games with his friend… there's nothing especially noticeable about him. But one day his father has to transfer to Sapporo and then appears a girl who volunteers to be Kouta's live in caretaker. And what a girl! Everything about her is mysterious: her mysterious incredibly showy body, her mysterious interest in our boy, and her mysterious need to sleep in the same room… Doki, doki…

1: Natsu Koi Beach cafe worker Ide Mitsu was dumping a female pick-up when they heard a loud slapping noise. They looked over a beach rock and saw it was his seemingly perfect classmate, Shirohara Takashi, who had his face slapped by a woman. 2: Fuyu Koi Ide Mitsu struggles to define his three-month relationship with Shinohara Takashi, who seems to be holding himself distant. After a night out, Ide soon discovers why… 3: Roommate A young student wakes up in the middle of the night and finds himself on top of his senior from school… 4: Parasite Versus Honey All the students and teachers are getting antsy over a suspicious character that is hanging around school. 5: Mujina Hiromichi spends many a nights outside his future brother-in-law's place, all in the name of gathering signs of possible infidelity. But he who stalks, is stalked in return… 6: Bull Futatabi 2001 A boy brings his childhood friend to his grandmother's place for a quick getaway. 7: Amamiya-kun – 3 Years After It has been 3 years since his best friend graduated and left the room.

One day, Kouki Nakagawa was determined to declare his love to Ayumi Fujisaki, his childhood friend. Suddenly, a mysterious girl appears before them and mentions that she is Kouki's girlfriend, leaving both perplexed. After trying to talk to Ayumi again, Kouki confesses his love to her; But Jindou, the mysterious girl, appears to warn Kouki that if he does not accept to be her boyfriend and does not forget Ayumi … The world will be destroyed!

Yoshimura, who is intensely passionate about making sweets, bumps into the rumored threatening Shima-senpai one day while he's walking down the corridor. Expecting a strict reprimand from him, Shima instead turns out to be someone who has been adoring Yoshimura's handmade sweets. Eventually, Shima starts stopping by Yoshimura's house for more sweets on a daily basis. At first, Yoshimura is afraid of him, but when he finds out about Shima's gentle side, he starts to find himself being more and more attracted to him. Then, one day, when Yoshimura is teaching Shima how to make sweets, Shima kisses him…?

Regular high school boy Kaji Rikuo’s life is suddenly interrupted by a cute girl with cat ears named Vanilla. According to Vanilla, she was created from different mixtures of animals sort of like a chimera by her master, Ibu Kiriko, whom apparently has it out for Rikuo. Confused as to why somebody would want revenge on him, Rikuo become friends with the clueless and cute Vanilla. However, Vanilla can turn into a vicious animal able to hurt Rikuo with a simple command from Kiriko…

When the Chemistry teacher secretly practices witchcraft at normal school, many things can go wrong! Fuyumi Renji realises this as Kirise Ririka somehow walks through all his magic barriers and interrupts his spellcasting! How could a normal high school girl ever be able to do this?

Masaki Masamichi has his heart set on joining the legendary manga club of Takidani High School. After all of his effort to get into Takidani High School and prepare for his club entrance, he finds out that a horrible change has happened to the club of which he dreamed. How will he cope with the disappointment of learning that his long-awaited club life consists of drawing ero-manga?

Takamine finally got his dream job as a high school teacher with his crush, Natsume. Now the two of them will be together, not as teacher and student, but as teacher and teacher. Does Takamine have an ulterior motive…?

A young man finds and returns a lost wallet and cell phone to a beautiful young lady, thus begins the destined relationship between two strangers. Sound typical? Well then, how about making the young lady the young man's future homeroom teacher, and give them both a twisted sense of right and wrong. And just for kicks, lets have the young man help himself to a self proclaimed reward from the lost wallet before returning it but of course, this scenario wouldn't be complete unless the young lady was very unforgiving when it came to teaching one of her students a lesson on morals. Note: Volume 1-9 KMTS releases read from Left to Right. Note: Volume 10 A-Team releases from the Japanese version, so please read from Right to Left.

Chapters 1-3 + Extra: Anata no Tonarini Suwarasete (Let Me Sit Next To You) When the chair he fell in love with at first sight was purchased by someone else, Azumi becomes terribly drunk one night and is nursed back to health by an unknown man… and wouldn't you know it, it's the person who owns the chair, Takamiya Shinjin. The adorable, puppy-like Azumi is charmed by the sexually attractive Shinjin, and Azumi's battle of love commences! (The character Kei Yamashiro is the main character on another story - Renai Sousa. Kei Yamashiro is the friend of Takamiya Shinjinm). Chapter 4: Love Sign (oneshot) Sawaguchi Kiego noticed that one of his classmates, the quiet & introverted Hayasaka Tooru, keeps looking at him and that gaze intrigues him, makes him want to tease him a little…

1-6. Collecting #1-#6 A girl collects everything her crush touches; a man keeps a photo album of women giving him blowjobs; schoolboys plays a sexual card game; a lunchbox factory girl collects vomit; a man gathers his missing girlfriend's body parts; a suicidal girl joins a group of women who've made abortion into a grotesque art. 7. Harakiri A world where cutting your stomach is the newest fashionable trend among schoolgirls. 8. Holy Night Santa is terrorizing the Japanese by flooding everyone with unwanted gifts. The only way to stop him from sending more is to convince him that you're happy with what you've got, or so people think. 9. Voracious Itches Putting worms under the skin can be an addictive pleasure.

In his second year in high school, Yamato has a big problem. His best friend from childhood, Honoka, has a certain stress-induced illness that made her chest huge. Now he struggles to protect her from those who look at her with predator eyes…!?

I like romantic comedies. However, romance doesn't develop like that in reality. There was once a time where I thought that. Encountering a girl who fell from the sky, my school life changes with a clang.

A kouhai confesses to a senpai who doesn't want to date her. However, said senpai is more than aware of what she's dealing with…

Since Shinya was a child, he had known he was gay. Realizing how his sexuality was viewed, he'd vowed to hide it his entire life. Then, a week after he had started dating his girlfriend, a man named Yuu told him he liked him. "You've noticed your own sexual preference, right?" Both relieved and shocked by Yuu's question, Shinya now stands at a crossroads, but will his choice bring him freedom or closure?