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