Translation of: Jibaku shonen hanako-kun.

Publisher Marketing: AidaIro is the creator of the Toilet-bound Hanako-kun manga series. Publisher Marketing : School Mystery No. 1's Clock Keeper of the future has gone out of control, turning Kamome Academy's entire student body into wrinkly old people! Hanako-kun, Nene, Kou, and Akane will have to work together to catch this agile trickster and keep the school from becoming a retirement home. But just when they seem to have Mirai cornered, one final prank goes horribly wrong, bringing Nene's secret out into the open...

Format: Paperback | Pages: 178 | Publication Date: 2020-12-08