Tsuyoshi Hondo is a young man who was born to a black American soldier and a Japanese mother and grew up in an institution. His life is heading towards the boxing ring whether he likes it or not! ! Meeting Umezu, the bouncer at the bar who taught him boxing for the first time, Sam, the American soldier, and Murano, the president of Toa Gym... The wheels of fate begin to turn with a bang...!!