Six classmates receive an email from Asuka, who they thought had committed suicide, asking them to meet her later that night. But when they are attacked by a girl in a rat mask, the students realize that someone is out for revenge!
Unfortunately the movie Black Rat is not yet available on HBO Max.
| Directing | Kenta Fukasaku | Director |
| Writing | Futoshi Fujita | Writer |
| Production | Wakana Kanno | Producer |
| Production | Jun Kubo | Producer |
| Production | Hiroki Sato | Executive Producer |
| Production | Ryôichi Sumitani | Executive Producer |
