Toilet-bound Hanako-kun

Toilet-bound Hanako-kun (地縛少年 花子くん, Jibaku Shounen Hanako-kun) is manga series written and illustrated by Iro Aida. It is serialized in GFantasy, and began its serialization in June 2014. Yen Press has licensed it for digital release in English. An anime adaptation from Lerche animation studio is expected to premiere on January 10, 2020. It is also going to have a musical, which will first premiere on January 21, 2021.

Plot
At Kamome Academy, rumors abound about the school's Seven Mysteries, one of which is Hanako-san. Said to occupy the third stall of the third floor girls' bathroom in the old school building, Hanako-san grants any wish when summoned. Nene Yashiro, an occult-loving high school girl who dreams of romance, ventures into this haunted bathroom... but the Hanako-san she meets there is nothing like she imagined! Kamome Academy's Hanako-san... is a boy!

Other Sources

 * Manga
 * Anime
 * Anime
 * Anime