Gakkou no Kaidan: Noroi no Kotodama (2014)

Gakkou no Kaidan: Noroi no Kotodama 2014 / 学校の怪談　呪いの言霊 2014 / Haunted School: The Curse of the Word Spirit ,

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. (Source: AsianWiki)