Jirou Shioya

This delinquent teenager lives in a harsh environment with his family in a dilapidated boxing gym. He is known for riding a motorbike and has a spirited, somewhat reckless personality. An encounter with a local boy leads to a confrontation where the boy surprisingly guides the teenager to improve his fighting skills. This experience sparks a desire for change, leading him to seek acceptance by joining his father's gym as a trainee.