A resident of Akagicho, high-schooler Yamato finds himself locked up after starting a fight. His classmate, Teru, appears and makes him a deal. In exchange for getting him out of jail, he wants Yamato to take on a job for him. Yamato and his rival, Ryugo, head for the designated spot, but are set upon by thugs Teru riled up. When the two teens win the brawl, Teru takes them underground, where the boys are in for the shock of their lives.
It's just men being stubborn. You 
better not let it happen next time.
Du bist einfach nur unfassbar stur.
Wehe, es gibt ein nächstes Mal.
¡Eres un cabezota y punto!
Que no se repita, ¿vale?
T’es juste têtu.
Voi maschi siete solo cocciuti.
La prossima volta vedi di evitare.