Ichigo Washio, a young man with a promising future in the Shinjuku gangs, encounters Ringo Takamizawa, a fellow student driven by a desire for revenge. Ringo seeks retribution against those responsible for his mother's misfortunes. Despite the potential conflict with figures he has long admired, Ichigo readily agrees to assist Ringo. With the support of new allies, Ichigo aims to restore justice to the streets of Shinjuku.