Ryoutarou Kurose dreams of becoming a teacher, looks up to his homeroom teacher Shiratori-sensei and is subject to gruesome bullying. One day, fearing their actions have been exposed the bullies tell Kurose on the rooftop, "Before we get found out, why don't you kill yourself?" Terrified of what was happening Kurose loses his footing in the commotion and falls... "Hey, teacher. Can I do this over again?" (Source: Publisher, translated)

One day, his younger brother commits suicide. Seeking the truth behind it, the protagonist Asato logs into his brother’s PC. There, on a certain message board, he finds records detailing the brutal bullying his brother endured. Asato vows to track down those responsible and take revenge. Then, he receives a phone call from someone claiming to be the administrator of the forum—an invitation to a “Revenge Sharing Group,” where participants help carry out one another’s revenge in exchange for having their own revenge fulfilled. A fate-bound suspense story in which seven people carry out seven acts of revenge begins!! (Source: Pocket Magazine, translated)

Makoto does not have it easy. He gets bullied in School and has problems with his father due to skipping School. His outlook on life brightens when Kirisaki, a girl in his class, compliments his drawing skills. A while later he sees her getting harassed by the ringleader of his bullies. He decides to intervene, but is cut short by the revelation that she is the ringleaders girlfriend who incited the bullying in the first place. Depressed by his situation Makoto decides to kill himself. He lands in purgatory, neither Heaven nor Hell with the mission to save the lives of six people, whose life will be negatively affected by his suicide... His father, his bullies and Kirisaki. *Note: Includes 1 extra chapter.*

Aoi and Haru and secretly dating. However, Aoi notices that Haru has been worried about something, and the next day, he sees her fall from the roof of the school. He then discovers that she put a chart of relationships into his locker, and marked five of them as "clowns" who are trying to kill her.

His beloved younger sister committed suicide. The cause was horrific bullying by seven members of the student council. The protagonist, Setsuna, swears revenge against the student council and puts his murder plan into action. However, no matter how many times he kills the student council members, he keeps getting sent back to a timeline where they are still alive. It seemed as though his revenge would remain unfulfilled due to the time loops, but Setsuna realizes a single possibility: would the time loops occur if a third party instigated the murders and carried out the revenge? Use every trick in the book to frame someone for incitement to murder! The time-loop revenge drama begins!