12-sai.: Chicchana Mune no Tokimeki

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

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.

This story is about a girl, Candy, who is a orphan. She is a nice and optimistic girl and she has a warm heart. When she was a child, she lived in an orphanage called Pony's Home. She had a good friend called Ann. And she met the "handsome boy on the hill" who is a important person in her life, on the hill behind the orphanage. She was adopted by the Loka's family. What's awaiting her are the bad-hearted Leo and his sister, Eliza. One day, in the rose garden, she met a boy, who is identical to the "handsome boy on the hill" who she had met in her childhood. The boy is called Antony. Thereafter, a fantastic story that she has never expected begins.

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

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

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?

Determined to climb up the social ladder, Mary Saotome invests everything she has into what her elite high school values most: high stakes gambling.

It is the year 20XX. Earth was assaulted by monsters that would come to be known as "the Enemy of Humanity." In order to deal with this threat, special schools composed of teenagers with extraordinary abilities were formed. These people, who came to be known as "the Talented," had abilities that could defy the rules of reality. Among these people with supernatural powers was an outlier, an individual who was sent to one of these schools despite having no innate special abilities whatsoever. This is the story of our protagonist, who attempts to defeat the Enemies of Humanity through the use of intelligence and manipulation alone.

Yuki Takeya, Kurumi Ebisuzawa, Yuri Wakasa, and Miki Naoki decide to stay over at school. Along with the school adviser Megumi Sakura, they suddenly find themselves to be the final survivors of a zombie attack, and continue to live and survive at the school.