The “Rido Han Dou” area is famous for gathering a large number of delinquent youth groups, and shopping is commonplace. The legendary leader Ijuin Sho (Takahashi Fumiya) formed the strongest gang “Triangle Hockey”.

On the other hand, the otaku Tatsuto Yamada has a crush on Fujitani Aya (Nagisa Sekimizu) from the local girl idol group. However, Tatsuto Yamada, who has been bullied all year round, has not been in school for nearly a year.Moreover, his parents didn't care about him at all and they all went to work overseas. Yamada Tatsuto lived a lonely life.

On this day, Tatsumi went to attend Aya's birthday event, and happened to meet Sho Ijuin riding a motorcycle very fast. Sho was seriously injured in order to avoid someone in the middle of the road.Deputy Minister Daimonsuke (Sugao Araki) sent Xiang to the hospital. However, Xiang did not blame Tatsuto. Instead, he wanted to discuss something with Tatsuto...

Xiang took off the master's glasses and discovered that the two of them looked exactly the same. Xiang believed that if word spread about his hospitalization, his enemies would come to seize %risk's territory and order them to pretend to live their own lives.Ask to exchange identities with the master. If the identity is exposed, the master will die.