Toilet-Bound Hanako-kun is written and illustrated by AidaIro. The series started in the July 2014 issue of Square Enix's Monthly GFantasy, published on June 18, 2014. Square Enix has compiled its chapters into individual volumes. The first volume was published on May 22, 2015. A volume 0 was released on December 27, 2019. As of October 27, 2025, 25 volumes have been published.
In North America, Yen Press announced in July 2017 that they would publish the manga digitally. In July 2019, Yen Press announced the print release of the series.
A spin-off manga series titled Hōkago Shōnen Hanako-kun launched online on February 22, 2018. It was licensed by Yen Press under the title After-School Hanako-kun; and released in April 2021.
Volumes Toilet-Bound Hanako-kun
Chapters not yet in tankōbon format Spook 128: Spook 129: Spook 130: Spook 131: Spook 132:
After-School Hanako-kun
Chapters not yet in tankōbon format Day 28:
References