1x1 - High School Return of a Gangster

Deuk Pal is about to become the boss of the Chilsung Gang. While mulling over giving up his dream of going to university, he tries to save Yi Heon from jumping off a bridge. Unfortunately, Deuk Pal loses his life but takes over Yi Heon's body. He learns of Yi Heon's misfortunes and resolves to avenge his suffering as a victim of bullying.