After-School Hanako-kun (Hôkago Shônen Hanako-kun) is a 4-episode adaptation based on AidaIro's manga of the same name, Houkago Shounen Hanako-kun. It is a spinoff of Toilet-bound Hanako-kun (2020). Aida launched the manga in Square Enix's G Fantasy magazine in 2014.
The episodes were streamed two days ahead of the Japanese broadcast on Crunchyroll beginning on Oct 11, 2023 at 3:00 JST. The regular TV broadcast started on Oct 13, 2023 at 1:58 JST.