This manga deals with the history of a teenage, Tobi Shima Sen, who has lost his father and lives with his mother. He is a scrapper but his mother has no authority on him. In order to educate him, she decides to send him to a man who is a boxing coach during the holiday vacation. (Source: MU) <b>Included one-shots:</b> Volume 1: Nakkumoe Volume 2: Kick! Kouta!!, Fukuwajutsu