Nene steps into the spotlight! The mermaid kingdom hasn't forgotten her, and they're back to claim what's theirs! Can Hanako protect her from becoming permanent

Through the workings of the School Mystery Clock Keepers, Kamome Academy's entire student body is covered in wrinkles!? To restore peace to the school, Hanako-k

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 4pm Bookstacks! T

The origin of AidaIro’s masterpiece! Toilet-bound Hanako-kun was originally published as a self-contained short series, and you can read those three chapters

Shijima-san is willing to help Nene and her friends escape from the painting, but they don't have much time to reach the distant exit. And to make matters worse