Toire no Hanako-san OVA [1996] トイレの花子さん 厕所里的花子

A juvenile horror-flavored anime movie featuring Hanako-san, a ghost girl who appears in urban legends such as school ghost stories. One day, an elementary school student, Daisuke, met a ghost girl, Hanako-san, in the bathroom on the 3rd floor of the North School Building. Hanako warns that "replacement" will soon begin around everyone. Among them, Daisuke's homeroom teacher, Yoshiko-sensei, is absent from school, and a strong teacher, Iwao Iwayama, appears instead. Eventually, Daisuke and his friend Kaori, Naoya and his friends learned that the ghost demon was trying to replace the children of both humans and ghosts ...