Iruma Hitoma

In a world on the brink of devastation, a scientist and a group of children to save the world decide to travel back in time, and therefore, some are sent to the past (developed in the manga), others are sent to the future (developed in the anime), while the rest remain in the present (developed in the novel).

Itsuki Ichigohara is a married high-school teacher in her late 20's, who finds herself involved with a high school girl, her student, who is 10 years younger. The student's name is Rin Togawa. She is taller than Itsuki, with a beautiful face, mild-mannered but a little childish. She is a good girl, but she has had problems in her family life, and as Itsuki tried to counsel her, they somehow ended up kissing each other in bed. This is definitely an adulterous betrayal, not to mention a crime. How could she have got herself into so much trouble that could only lead to her own destruction? — How could I have let this happen?

In the middle of the school day, on the second floor of the gym. This is where the two came to skip class, and it's where their friendship began. A story of two high school girls, playing ping-pong and chatting as they spend the heydays of their youth.

Adachi's looking for a quiet place to sit around while she's skipping class and goes to the second floor of the gym, expecting it to be empty. There she meets Shimamura, and their friendship begins.

I have a superpower. I am a heretic thrust out from the world of common sense, possessing a power in both my eyes and the ability to "repaint the world". ...Although, all I can do is change the color of my eyes, which is pretty useless. I hate going home because of my parents, so I decided to "train" my superpower at an old abandoned building, praying that the hidden power within my eyes would awaken. And yet, what I found was a man missing several fingers on the verge of death, a classmate showing off way too much skin, the strongest assassin alive, a man who can jump in mid-air, and a bunch of other crazy people. Is this the world I've always wanted to be a part of...?

We came from the far future, where most of the adults have disappeared as if they vanished into thin air and all of the children are managed by a few adults. To discover the cause behind human extinction and to evade it from that root cause… That's what we had jumped to the past for, supposedly. A boy sitting in the seats of a movie theater fidgets with his cellphone. "Before aptitude or anything, trying to change the future with just five kids? You would think there's a limit to lack of planning," he typed on his cellphone. The boys wonder if they had really come to the past. Why? Because, ever since they arrived, they haven't stepped one foot outside this theater. Note: This manga is included as a bonus with the limited OVA Blu-ray disc.

“I,” an aspiring novelist who can’t land a hit, a normal college student. Kai Shouko, a female college student writer who produced a string of hits. During the welcoming party of our university, a naked idiot suddenly barges into my life.

Makoto Niwa moves to the city and meets his first cousin Erio Touwa at the house of his aunt Meme Touwa. Erio is no longer enrolled in school and is constantly wrapped in a futon. Erio claims that she is an extraterrestrial lifeform.

The setting is a rural city in which kidnapping and series of murders are happening simultaneously. Eight years ago, a boy and a girl were kidnapped and suffered through the hands of their perpetrator. The victims, the compulsive liar "Mii-kun" (the narrator), and "Maa-chan" (Misono Mayu) reunite and start living together, despite the fact that the recently reported missing children were within Mayu's apartment… adapted from the novel series of the same name