The story of a high school girl and a certain part of her body that has turned into a monster. A horrifying and erotic story from the mad mind of Noboru Iguchi (THE MACHINE GIRL, KARATE ROBO-ZABORGAR).
Unfortunately the movie Bad Butt is not yet available on HBO Max.
| Directing | Noboru Iguchi | Director |
| Sound | Yasuhiko Fukuda | Music |
| Editing | Demo Tanaka | Editor |
| Crew | Yûsuke Inoue | Cinematography |
| Production | Justin Lin | Executive Producer |
| Writing | Noboru Iguchi | Writer |
