A former retainer to a noble family kills his wife's father when he tries to expose his past crimes. When he begins an affair with the daughter of another clan's retainer, her father tries to poison him but the substance instead claims an innocent victim...
Unfortunately the movie Summer of Demon is not yet available on Disney Plus.
| Directing | Yukio Ninagawa | Director |
| Writing | Nanboku Tsuruya | Story |
| Writing | Eiichi Uchida | Writer |
| Production | Akira Oda | Executive Producer |
| Lighting | Minoru Yakame | Lighting Technician |
| Camera | Noritaka Sakamoto | Director of Photography |
| Editing | Yoshi Sugihara | Editor |
| Art | Tadataka Yoshino | Art Direction |
| Production | Hideji Miyajima | Executive Producer |
