"'Hanako-san, Hanako-san...are you there?' At Kamome Academy, rumors abound about the school's Seven Mysteries, one of which is Hanako-san. Said

"Nene Yashiro has made a pact with 'Hanako-san of the Toilet', aka Hanako-kun, to hold off the curse that has been placed on her. To rescue her f

"Nene and Kou want to learn more about their mysterious friend, Hanako-kun--and what better way to do that than school mystery number five, The 4