Toire no Hanako-san (1995)

Toire no Hanako-san 1995 / トイレの花子さん 1995 / School Mystery , Hanako of the Toilet

A new girl, Mizuno Saeko, arrives at the school attended by siblings Natsumi and Takuya. Natsumi befriends her, and Takuya seems to like her, but is it true that she could be Hanako san, the ghost who's rumored to be haunting the school toilet? And how real is the danger related to the serial killer targeting kids in the nearby schools?