A high school vigilante protects his community from the extortions of mobsters from a neighboring city. Yakuza | History, Meaning, Rituals, & Facts - Britannica

: The story follows a high school vigilante who takes it upon himself to protect his local community from the extortion and harassment of mobsters from a neighboring city.

: As an early work by Seijun Suzuki , it features his burgeoning style of stylish, low-budget "B-movie" action that would later define Japanese genre cinema.