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 | Yasuhiko Higashi | Producer |
| Production | Youichiro Onishi | Producer |
| Production | Shun Shimizu | Producer |
| Editing | Yasushi Shimamura | Editor |
| Camera | Hideo Yamamoto | Director of Photography |
| Writing | Toshihiko Matsuo | Screenplay |
| Writing | Toshiyuki Morioka | Screenplay |
| Production | Toshihiko Matsuo | Executive Producer |
| Production | Naoya Narita | Producer |
| Sound | Atsushi Okuno | Original Music Composer |
| Art | Akira Ishige | Production Design |
| Directing | Bunmei Katô | Assistant Director |
| Sound | Yukiya Sato | Sound |
