Kamome Academy is famous for its rumors regarding its Seven Wonders and supernatural occurrences. Nene Yashiro, a first-year high-school student who loves the occult and wishes for a boyfriend, summons the Seventh and most famous Wonder, "Hanako-san of the Toilet", the spirit of a girl who allegedly haunts the bathroom and can grant wishes for the right price. Upon summoning her, Nene discovers that "Hanako-san" is nothing like the rumors say; Hanako-san is a boy. U and your friends stuck there.