Toilet-Bound Hanako-kun Manga in Order (Arcs & Chapters)

1. Story arc 1

   Hanako-san of the Toilet Arc

   Nene summons Hanako and becomes entangled with the school’s supernatural rules, meeting Kou as their unusual partnership begins.

   Chapters 1–3Volume 1

2. Story arc 2

   The Misaki Stairs Arc

   Nene, Hanako, and Kou investigate the second of Kamome Academy’s Seven Mysteries and the unsettling rumor surrounding its staircase.

   Chapters 4–8Volumes 1–2

3. Story arc 3

   The Young Exorcist Arc

   Kou’s beliefs about exorcising supernaturals clash with his brother Teru’s harsher approach, placing Hanako at the center of their dispute.

   Chapters 9–10Volume 2

4. Story arc 4

   The 4pm Bookstacks Arc

   The group enters the Fifth Mystery’s book-filled boundary, where hidden records and a glimpse of Hanako’s past raise troubling questions.

   Chapters 11–14Volume 3

5. Story arc 5

   The Little Mermaid Arc

   Nene’s earlier supernatural bargain resurfaces, drawing the group into a case involving mermaid lore and a dangerous new presence.

   Chapters 15–17Volumes 3–4

6. Story arc 6

   Mitsuba Arc

   Kou befriends Mitsuba, a lonely ghost whose situation challenges the group’s understanding of what helping a supernatural truly means.

   Chapters 18–20Volume 4

7. Story arc 7

   The Tea Party Arc

   The Broadcasting Club takes an interest in Nene’s connection to Hanako, turning a school social encounter into a supernatural interrogation.

   Chapters 21–22Volume 5

8. Story arc 8

   The Three Clock Keepers Arc

   The First Mystery’s timekeepers become involved when an abnormality affects the academy, forcing Nene and her friends to investigate time itself.

   Chapters 23–29Volumes 5–6

9. Story arc 9

   The Hell of Mirrors Arc

   The group confronts the Third Mystery within a mirror-bound realm, where Mitsuba’s fate and Tsukasa’s influence become central concerns.

   Chapters 30–36Volumes 6–8

10. Story arc 10

    Summer Lights Arc

    A supernatural Tanabata festival sends Nene into an encounter with the past, deepening the mystery surrounding Hanako and Amane.

    Chapters 37–40Volume 8

11. Story arc 11

    Picture Perfect Arc

    Nene becomes trapped in the Fourth Mystery’s constructed world, where an idealized school life conceals painful choices and hidden truths.

    Chapters 41–58Volumes 9–12

12. Story arc 12

    Sacrifice of the Grim Reaper Arc

    An academy study trip brings the group to the Sixth Mystery’s boundary, where the cost of preserving supernatural order becomes impossible to ignore.

    Chapters 59–71Volumes 12–15

Sources checked: Yen Press — official series page, Jibaku Shounen Hanako-kun Wiki — Story Arcs — checked July 20, 2026.