A young man falls in love with a woman he meets at a party, but when she leaves him, he must face some uncomfortable truths.

After completing his time in a juvenile detention center, Daiki Imanishi returns to his hometown in Ibaraki. Upon hearing that his former cellmate, Ken Kohinata, is in danger, Daiki, along with two companions he met in the detention center—Kaito Sakaguchi and Ryuichi Maki—causes trouble at every turn as they head to Tokyo in a stolen car to save Ken.

Mitsuru saw Takahashi lying on the station ground, crying with a phone in his hand. He was going to walk past him to avoid any nuisance like most people but a certain memory from a year ago suddenly resurfaced..

Haruki Bando decides to quit his family's sport of judo after a shoulder injury and start a new project with his childhood friend Kazuma. Together they form a cheerleading group called 'Breakers'.

A mysterious creature destroys part of the moon and then warns that, if it is not destroyed before March of the following year, Earth will be next. It also demands to become the homeroom teacher of Class E, a third-year class at Kunugigaoka High School.

Saike, Kazuki, and Takeo were abused by their respective parents and did not go to school. They stayed together at a youth detention center. To survive, these three young men commit robbery and burglary against criminal groups.

A mysterious creature destroys part of the moon and then warns that if it is not destroyed before March of the following year, Earth will be next. It also demands to become the homeroom teacher of Class E, a third-year class at Kunugigaoka High School. As the deadline for the assassination and the date of the end of the world approach, the students discover their true abilities and Koro-sensei's shocking identity.

High school student Shun Takahata is bored. Bored with the day-to-day monotony of school and life, he prays for change, for something exciting. Suddenly, he and his classmates are forced to play deadly children's games and facing terrifying creatures from a talking Daruma doll to a sharp-clawed lucky cat.