Moriyama, who was released from prison, learns that the level of boxing world is declining. He laments this situation and decides to raise a world champion himself. He finds a boy, Mikami Ran, who has hidden talent for boxing. Moriyama trains him to turn him into a world champion. Boxing depicted in this work is not only on the glamorous side, but also on the dark side that is the underworld.

Moriyama, who was released from prison, learns that the level of boxing world is declining. He laments this situation and decides to raise a world champion himself. He finds a boy, Mikami Ran, who has hidden talent for boxing. Moriyama trains him to turn him into a world champion. Boxing depicted in this work is not only on the glamorous side, but also on the dark side that is the underworld.