Kodomo no Jikan

Yamada is the cutest girl in the entire school, and she wants to have her way with 100 different boys before the final bell rings. There’s just one problem: she’s never even been kissed! Lucky for her, class geek Kosuda is ready to serve as her own personal Sex Ed dummy! Can these wannabe lovebirds master the art of seduction before the sun sets on high school forever?

It’s Ryuji’s first day as a junior in high school and it seems as if things are looking up. He gets to sit in between his only friend, Yusaku, and, more importantly, the girl he’s secretly crushing on, Minori Kushieda. But just when he thinks the stars are aligned in his favor, he unwittingly crosses the most feared girl in school, Taiga Aisaku, making her onto his arch enemy. To top it off, Taiga has moved in right next door to Ryuji and happens to be Minori’s best friend! Can this school year possibly get any worse?!

At the end of her first year of high school, Futaba Yoshioka suddenly has a chance encounter with her first love, Kou Tanaka. Three years ago, he transferred schools before she was able to say how she felt about him. After meeting each other again, Futaba realizes that he has gone through many changes. He acts more cool and even had his last name changed to Mabuchi. Gradually the two rekindle their love while piecing together what had happened in the time that they were apart.

A series depicting various scenarios of young love. These stories range from a boy, crippled by his absolute lack of confidence in himself, cannot even accept the fact that the girl of his dreams actually asked him out on a date, to the near-psychotic girl that pours her own blood into her homemade chocolate in order to win his heart.

As a child, Masamune Makabe once suffered greatly at the hands of a wealthy and beautiful girl named Aki Adagaki, who nicknamed him "Piggy" due to his chubby appearance. Seeking revenge against his tormentor, Masamune works hard to improve himself and returns as an incredibly handsome, albeit narcissistic, high school student. When he encounters Aki once again, he is prepared to exact vengeance. With the aid of the rich girl's maid, Yoshino Koiwai, Masamune slowly begins to build his relationship with Aki, intending to break her heart when the time is right. However, as his friendship with Aki begins to grow, Masamune starts to question the objectives of his devious plans, and if bringing them to fruition is what his heart truly desires.

A secret life is the one thing they have in common. At school, Hori is a prim and perfect social butterfly, but the truth is she's a brash homebody. Meanwhile, under a gloomy facade, Miyamura hides a gentle heart, along with piercings and tattoos. In a chance meeting, they both reveal a side they've never shown. Could this blossom into something new?

Five members of the school culture club—Taichi Yaegashi, Iori Nagase, Himeko Inaba, Yui Kiriyama, and Yoshifumi Aoki—encounter a bizarre phenomenon one day when Aoki and Yui switch personalities without warning. The same begins to happen to the other club members, throwing their daily lives into chaos. At first the five students find some amusement among the confusion, but this connection also exposes the painful scars hidden within their hearts... When their calm lives are shattered, the relationships between the five students also begin to change!

Junichi Nagase was a real delinquent in middle school, one nasty enough that he earned the nickame "Geno Killer," and it's by this less than flattering epithet that Yuuhi Katagiri first comes to know him when he rescues her from two thugs one evening. Needless to say, both are stunned when not only does Yuuhi find herself transferred into the same high school class as "the Killer," but that shock grows into outright stupefaction when Yuuhi shows up at Junichi's house with the mind-blowing announcement that she's supposed to move in with him! It seems that they're engaged, and since this is the first that Junichi and his younger sister Minato have first heard of the arranged marriage set up by their parents, it's an idea that's going to take a little getting used to. Get ready for ties that bind and gag as bad boy and good girl collide cohabitationally while the entire school gets to watch!

Yuzu, a high school gyaru who hasn't experienced her first love yet, transfers to an all-girls school after her mother remarries. She's beyond upset that she can't land a boyfriend at her new school. Then, on her first day, she meets the beautiful black-haired student council president Mei in the worst way possible. What's more, she later finds out that Mei is her new step-sister, and they'll be living under the same roof! And so the love affair between two polar opposite high school girls who find themselves drawn to one another begins!

Tsutsui Hikari (a.k.a "Tsuttsun") is a high school student who is content with his virtual life of anime and video games. One day, he gets stuck cleaning the pool with Iroha, a real live girl who is stylish, sassy and known to be easy with boys ... and she aggressively approaches him! Tsuttsun, who has few friends and lives in his own world, finds himself smitten by the confident and wild Iroha ... and his whole world is turned upside down!! It's the awkward and pure love story of a boy who experiences relationship for the first time.

"A girl in a lower grade just made me cry!" One day, Senpai visits the library after school and becomes the target of a super sadistic junior! The name of the girl who teases, torments, and tantalizes Senpai is "Nagatoro!" She's annoying yet adorable. It's painful, but you still want to be by her side. This is a story about an extremely sadistic and temperamental girl and you'll feel something awaken inside of you.

The story centers on third-year high school student Jiro Yakuin, who gets saddled with his gyaru classmate Akari Watanabe for the class's "marriage training" project about practicing to be a married couple. Jiro is the complete opposite of Akari, but the two know that if they do well they will be able to switch partners to end up with their respective crushes, and so they force themselves to act like the perfect married couple.

Kisaragi Amatsuyu is invited out alone by the cool beauty upperclassman Cosmos and his childhood friend Himawari. Expecting to hear their confessions, he triumphantly goes to meet each of them in turn. But Cosmos and Himawari both instead confess to Amatsuyu that they like his friend. Amatsuyu fights this lonely battle, but there is another girl who is looking at him. She is a gloomy girl with glasses and braids. Amatsuyu finds that he hates her, because she's always turning her sharp tongue only on him and finding enjoyment in his troubles. But it turns out that she's the only one who actually does like him.

Kyotaro Ichikawa, a boy barely clinging to the bottom rung of his school's social ladder, secretly believes he’s the tortured lead in some psychological thriller. He spends his days dreaming up ways to disrupt his classmates' peaceful lives and pining after Anna Yamada, the class idol. But Kyotaro's not nearly the troubled teen he pretends to be…and it turns out Anna's a bit odd herself!

Asahi Kashiwagi lives the typical life of an average high school student — until the day a TV fortune teller’s predictions come true one after another, culminating in a series of risqué encounters! Destiny seemingly draws five beautiful girls into Asahi’s path, and soon he finds himself fielding not one, not two, but five love confessions. Asahi will need to follow his heart to find the perfect love for him, or else his love fortunes may end in one epic flail and flop.