Fists fly when Oya High’s street fighters defend themselves from a three-school alliance of brawlers.

Haruka Sakura wants nothing to do with weaklings—he's only interested in the strongest of the strong. He's just started at Furin High School, a school of degenerates known only for their brawling ...

Takemichi Hanagaki is a freelancer that’s reached the absolute pits of despair in his life. He finds out that the only girlfriend he ever had, in middle school, Hinata Tachibana, had been killed ...

Chiku is a devastated and dangerous town with 5 gangs fighting fiercely. Mugen and the Amamiya Brothers clashed, leading to Mugen disbanding.

The students of Suzuran High compete for the King of School title. An ex-graduate yakuza is sent to kill the son of a criminal group, but he can't make himself do it as he reminds him of his youth.