Sixteen Syndrome

After middle school, with its bullying and nicknames, Uka Ishimori is excited for a fresh start at Hachimitsu High School. Kai Miura, a cool and uninhibited boy, sits next to her in class. Uka remembers she met Kai in middle school and with a single word, he had convinced her to attend Hachimitsu. Though he’s popular, Kai supports Uka in her efforts to fit in with her new classmates.

Yoi Takiguchi is a first-year high school student, admired for her handsome looks and honest heart, which earned her the nickname “Prince.” One day, she bumps into Kohaku Ichimura, an upperclassman and another “Prince.” As the two grow closer, is what blossoms between them friendship or love? A youthful love story about a boy and a girl who are both called “Princes” begins.

When the intimidating Rintaro meets the open-minded Kaoruko, the unlikely duo grows closer. The issue? Their neighboring high schools hate each other.

Nanami Takahashi is a high school student entering her first year. Immediately on her first day however, she becomes the victim of a practical joke by the school's most popular guy, Motoharu Yano, who coincidentally also ends up in her class.

Nicknamed "Sadako" for her spooky appearance, high schooler Sawako begins to break out of her shell when she befriends popular boy Kazehaya.

Kotarou Azumi and Akane Mizuno became third year students at junior high school and are classmates for the first time. These two, along with fellow classmates, Chinatsu Nishio and Takumi Hira, relate to their peers through mutual understandings and feelings. As their final year at junior high school progresses, the group overcome their challenges to mature and become aware of changes in themselves.

Yuu has always dreamt of receiving a love letter but feels numb when a boy gives her one. Confused, she starts high school and meets Touko. Will Yuu's heart finally skip a beat?

To trust is to set yourself up for failure. That’s the lesson Mei Tachibana learned when her heart was broken. She found a solution: never make any more friends. It’s not as easy as it sounds, but it works for Mei. At least it did until handsome and charming Yamato Kurosawa showed up to complicate everything. Mei’s not looking for a white knight. So why did he have to kiss her and ruin everything? Between heartbeats and behind trembling lips the specter of betrayals past, future, and present haunt them both in Say "I Love You"!

When Kouichi arrives at his new school, he immediately senses something frightening in the atmosphere of his new class, something that no student wants to talk about and that seems to be related to a mysterious and silent girl.

This is the story of a boy, who became the lone Adam among four billion Eves. In a world where a pandemic has rendered all men impotent, high school student Itsuki is the exception who escaped it. In order to protect this secret, he transfers to a very special high school, which turns out to be composed of 90% girls! There, he encounters an upbeat and friendly senior, a sexually frustrated female teacher, a tomboyish school 'prince,' and an heiress from a wealthy family. For Itsuki, who has his pick of any woman in the world, the question remains: which one will he choose?

Seventeen-year-old Mugi Awaya and Hanabi Yasuraoka appear to be the ideal couple. They are both pretty popular, and they seem to suit each other well. However, outsiders don't know of the secret they share. Both Mugi and Hanabi have hopeless crushes on someone else, and they are only dating each other to soothe their loneliness. Mugi is in love with Akane Minagawa, a young teacher who used to be his home tutor. Hanabi is also in love with a teacher, a young man who has been a family friend since she was little. In each other, they find a place where they can grieve for the ones they cannot have, and they share physical intimacy driven by loneliness. Will things stay like this for them forever?

A species of parasitic aliens descends on Earth and quickly infiltrates humanity by entering the brains of vulnerable targets; insatiable beings that gain total control of their host and are capable of transforming themselves to feed on unsuspecting prey. High school student Shinichi Izumi falls victim to one of these parasites, but the creature fails to take over his brain and ends up in his right hand.

One day, Naho Takamiya receives a letter written to herself from ten years in the future. As Naho reads on, the letter recites the exact events of the day, including the transfer of a new student into her class named Kakeru Naruse. The Naho from ten years later repeatedly states that she has many regrets, and she wants to fix these by making sure the Naho from the past can make the right decisions—especially regarding Kakeru. What's more shocking is that she discovers that ten years later, Kakeru will no longer be with them. Future Naho asks her to watch over him closely.

Furin High School's delinquents get bad grades, but they excel at protecting their town. Then a victory-obsessed newcomer threatens the balance of power.

Shuichi Nitori transfers to a new elementary school, and there, meets Yoshino Takatsuki. The two children discover they share a similar secret.

Yuu Haruna, a loner and an avid Twitter user, has just transferred to a new school in Tokyo. He ends up befriending a unique high school girl named Fuuka Akitsuki, despite some initial conflict, and the two wind up forming a band together with their classmates. Their relationship becomes strained however when Koyuki Hinashi, Yuu's childhood friend who has become a popular idol, contacts Yuu on Twitter and attempts to rekindle long lost feelings.

A rumor states that if you take a photo of someone you like with your cellphone and keep it hidden, they'll fall for you. Will Makoto win his love by taking a picture of Kotonoha without anyone knowing?

Ai, a young girl with shut-in tendencies, who tries not to interact with others. She keeps one of her eyes hidden behind her hair. One day, she happens to stop by a deserted arcade, where she meets "Aka." Spinning the gacha at their urging, she acquires a "Wonder Egg," and from that moment, her fate begins to change...

To be united with her crush, a hopeless romantic summons the ghost in the girls' bathroom at her school. But she's shocked when the ghost is a boy!

At the end of the second semester of third year of high school, four students are prepared for graduation and feel the ending to their high school life. But that changes a little with the arrival of a transfer student.