Ippo is a high school student who works full time at his mother's fishing though. Because of this, he gets bullied on by the kids at his school. That's when his life turns around, when a professional boxer happens to be jogging along the way, and introduces Ippo to the world of boxing.

Ippo and coach arriving in the city where the featherweight champion, Takeshi Sendo must defend his title against Shigeta Akira, 4th category. At the beginning of the match, we see very manhandled by the champion challenger. Indeed, as Ippo, Sendo is struggling to impose its style of boxing against a southpaw boxer, that is to say a southpaw boxer. Sendo tries to put his best shots Shigeta, but it dodges every time and even manages to outsmart his famous fatal blow, the Smash.