Ayano, Miyu, Yuri and Mei are high school students. They learn about a fatal gas accident which occurred at a school in the past. The girls then experience unusual occurrences like hearing breathing from closed classrooms and seeing a person's shadow. Hitomi then sneaks into an abandoned school to shoot a horror video for the internet. Hitomi hears from her colleague Kimio about a fox's window which leads to the spirit world.
Unfortunately the movie Haunted School: The Curse of the Word Spirit is not yet available on HBO Max.
| Writing | Toru Tsunemitsu | Book |
| Directing | Masayuki Ochiai | Director |
| Writing | Masayuki Ochiai | Screenplay |
| Crew | Yuichiro Kimura | Cinematography |
