Kyosuke Ichijo

Karin Oriyama, 16 years old. She is in high school and... she's about to get married!

Mikincorinista is an actress wannabe but an extra for now. She has a huge passion for acting, but her future is uncertain. She seems an ordinary person but has something unique.

With his two friends, a video-game-obsessed young man finds himself in a strange version of Tokyo where they must compete in dangerous games to win.

Hana comes from a family that has been thieves for generations. Hana refuses to become a thief and she wants to live a normal life. She currently works as a librarian and she is dating Kazuma, who works as a public officer. She hears that Kazuma's family are all public officers. One day, Hana visits Kazuma's family. She discovers that Kazuma's family, including Kazuma, are actually all police officers. Hana gets involved in a case and falls into trouble.

The story tells what happened at the Oya Institute after the fight in the containers of the High and Low movie. Fujio and Tsukasa were students from Oya High School, but Fujio had to move to a school in the countryside where his grandfather lives to take care of him. While in the institute new students will try to take control.