South to the Horizon
Tetsu gets into an argument with some Okinawa yakuza and is murdered by them. His brother Ryo comes to Okinawa shortly thereafter and teams up with Tetsu's girlfriend and Max an ex US soldier to extract revenge.
Directors: Akiyoshi Kimata
Writers: Akiyoshi Kimata, Ryûzô Saki
Cast
Homepage: https://www.shochiku.co.jp/cinema/database/04206/
IMDB: tt0434191