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