Toilet-Bound Hanako-kun – Supernatural School Mystery

 Title: Toilet-Bound Hanako-kun (Japanese: Jibaku Shōnen Hanako-kun)

Genre: Supernatural, Mystery, School, Shōnen
Manga Author: AidaIro (written & illustrated by “Aida” & “Iro”) 
Studio: Lerche 

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Plot Summary

At Kamome Academy, there are rumors about the Seven Wonders—supernatural mysteries surrounding the school. Nene Yashiro, a high school first-year obsessed with the occult, calls upon “Hanako-san” in the bathroom stalls to grant wishes. But the twist: Hanako-san is actually a boy, and instead of just granting wishes, he maintains the balance between the living world and apparitions. Bound spiritually to him, Nene becomes his assistant, helping to resolve supernatural incidents and uncover Hanako’s secret past and her own ties to the spirit world. 

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Release, Episodes & Other Details

• Anime first aired January 10, 2020 – March 27, 2020 for Season 1. 

• A restart/new project (“After-School Hanako-kun”) followed in October–November 2023, then a sequel to that in October 2024. 

• Season 2 of the original anime ran from January 12 to March 30, 2025, with its second cours starting in July 2025. 

• Episode count:
  • S1 had 12 episodes 
  • S2 has more (16 episodes listed in TMDB for 2025)

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IMDb Rating & Reception

• IMDb Rating: 7.5/10 (≈ 3.5K votes) 

• Highly praised for its art style, character design, and how it blends creepy supernatural mystery with touching moments and school life. Some criticisms point to pacing and occasional complexity in the supernatural rules.

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Verdict

Toilet-Bound Hanako-kun is one of the standout supernatural school anime, with a mix of mystery, charm, and emotional stakes. If you like stories about spirits, curses, and uncovering secrets in a haunted academy setting—and don’t mind some supernatural rules to follow—it’s definitely worth your watch. The solid IMDb rating 7.5/10 means many agree it delivers both style and substance.