Boiling Point (1990)6.8 /10

Storyline:  Masaki, a baseball player and gas-station worker, falls afoul of the local yakuza and travels to Okinawa to buy a gun for protection. There he encounters Uehara, a hardened gangster deeply in debt to the yakuza, who is also plotting his own ruthless revenge, setting the stage for a tense and dangerous alliance.