Joe Yuuki is one of Shibuya's top DJs and comes from a well-to-do family. Joe Akamine is a delivery boy from a poorer family who also trains to potentially be a pro boxer. When Akamine challenges people for money at the local park, Yuuki fights him and is defeated. Yuuki decides to take up boxing so that he can fight Akamine again and beat him, not knowing that Akamine is being trained by a world-champion boxer who is also the father of his new female friend.

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Same setting: Ashita no Joe