Saki, Anju, Chiaki, Ami, and Kaya reunite for the first time in years. The five of them excitedly decide to go Toshimaen Amusement Park, a place that was very important to them when they were younger. None of them know that they're about to enter a nightmare…
Unfortunately the movie Toshimaen: Haunted Park is not yet available on HBO Max.
| Lighting | Fumihiko Tamura | Gaffer |
| Sound | Akihiko Kaku | Sound Recordist |
| Sound | Kenji Shibasaki | Sound Effects |
| Sound | Takashi Kobayashi | Sound Re-Recording Mixer |
| Art | Takeshi Morihara | Production Design |
| Costume & Make-Up | Akiteru Nakada | Special Effects Makeup Artist |
| Costume & Make-Up | Sayaka Takegawa | Hairstylist |
| Editing | Hideaki Ohata | Editor |
| Sound | Shogo Kaida | Original Music Composer |
| Costume & Make-Up | Sayaka Takegawa | Makeup Artist |
| Production | Hidetomo Sugaya | Producer |
| Camera | Junichiro Hayashi | Director of Photography |
| Writing | Hiroshi Takahashi | Screenplay |
| Directing | Hiroshi Takahashi | Director |
