HSHK Volume 1

The spin-off version of Jibaku Shounen Hanako-kun, Houkago Shounen Hanako-kun ((放課後少年花子くん Hōkago shōnen Hanako-kun?) is a one-off based book both in English and Japanese.

Also known as After-school Hanako-kun in english, the book shows the characters' daily lives behind the main plot.