Japan in the 1970s, during the period of high growth. The young called runaway tribes that ran through the city at night to dissipate excess energy. Kenji Ebisawa (Rei Okazaki), the sixth president of Black Emperor, was the predominant figure in the world. He had no end to his longing for his career and his strength and desire to be a mate. One day, a girl appeared under Kenji who wanted to join t...

1972. Kenji Ebisawa, a martial arts boy who wished to become stronger, could not enter the runaway tribe. However, following a certain incident, Kenji transforms and becomes part of the runaway tribe. A lot of friends gather around him and the tribe starts to get stronger, his name starts to be heard in the city.