About
Toilet-Bound Hanako-kun! You've become Number Zero!
Characters
School Mystery Number 7: Hanako-san of the Toilet. Actually loves donuts! ☆🍩
School Mystery Number 1 (Clock Keeper), half-apparition. Student Council Vice President. He loves his childhood friend Aoi and confesses to her every day, but gets rejected with lines like "Hmm, 3 points." He absolutely adores Aoi Akane.
Has a complex about her "daikon legs." Has a weakness for handsome guys. Actually has a crush on Teru Minamoto. ♥️ Her death is approaching.
The younger brother of an exorcist (Teru Minamoto's brother). 3rd year in the middle school division. Actually has a crush on Nene Yashiro. ♥️
The older brother of an exorcist (Kou Minamoto's brother). Student Council President. A handsome guy.
Loves candy.
A girl who loves rumors. Always telling Nene-chan new rumors. She likes Akane, but since marrying him would make her name "Aoi Aoi," she keeps rejecting him. Often ends her sentences with hearts. ♡ "...♡"
Sourcebook
Intro
Hey, hey, have you heard? The rumor of School Mystery Number Zero... ♡ They say if you go to the rooftop and ask, "Guest-san, Guest-san, are you there?", they'll grant your wish~ ♡
Whispering I haven't seen Number Zero lately.
In the girls' bathroom,
Hanako-kun! Do you know about Number Zero?
Release Date 2026.08.11 / Last Updated 2026.08.18
