At an isolated reform school, transfer student Itsuki joins a drama group—but when real murders mimic their dark plays, fear, love, and secrets spiral out of control.
Unfortunately the movie Grand Guignol is not yet available on HBO Max.
| Directing | Yuji Yamaguchi | Assistant Director |
| Writing | Riuji Yoshizaki | Screenplay |
| Production | Jungo Maruta | Producer |
| Sound | Kiyoshi Yoshikawa | Music |
| Directing | Hajime Hashimoto | Director |
