Ambitious yakuza Kenji befriends harmonica-playing bartender Chuji, who moonlights as a part-time drug-dealer for the opposing gang. Their friendship is threatened by Kenji's plans for advancement, as well as by his bodyguards growing jealousy of Chuji.
Unfortunately the movie Blues Harp is not yet available on HBO Max.
| Directing | Takashi Miike | Director |
| Production | Youichiro Onishi | Producer |
| Production | Shun Shimizu | Producer |
| Production | Yasuhiko Higashi | Producer |
| Editing | Yasushi Shimamura | Editor |
| Camera | Hideo Yamamoto | Director of Photography |
| Sound | Atsushi Okuno | Original Music Composer |
| Writing | Toshihiko Matsuo | Screenplay |
| Art | Akira Ishige | Production Design |
| Writing | Toshiyuki Morioka | Screenplay |
| Production | Toshihiko Matsuo | Executive Producer |
| Sound | Yukiya Sato | Sound |
| Production | Naoya Narita | Producer |
| Directing | Bunmei Katô | Assistant Director |
