Toru Tsunemitsu
Writing
Known For

A young girl wanders into a wing of her elementary school that has been abandoned for years and is rumored to be haunted. When she doesn't come back, a group of her classmates go looking for her, only to find that they, too, are trapped inside. They must somehow find their way to safety, and quickly, because the rumors of ghosts are turning out to be true.
Haunted School

A live-action/animation mixed collection of short school ghost stories.
School Ghosts

Sequel to the 1995 film Haunted School aka Gakkou no Kaidan. Similar to the first, in that it's about a group of youngsters that get stuck in a haunted school and have to deal with an assortment of ghosts.
Haunted School 2

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.
Haunted School: The Curse of the Word Spirit

Third installment of the "Gakko No Kaidan" series follows the trek of several elementary school students as they wander into an alternate world that exists on the opposite side of a school mirror. Nishida Naomi (the hapless teacher in "Gakko No Kaidan 2") returns as the teacher who accompanies the children on their journey into the surreal universe.