About
The 0th of the "Seven Mysteries," Guest.
Characters
The 7th of the "Seven Mysteries," [Hanako-san of the Toilet] Real Name: Yugi Amane - 13 years old ▪︎ He is the leader who monitors all supernaturals in the academy and ensures they coexist properly with humans. ▪︎ He likes homemade donuts and astronomy.
The Yorishiro of the 7th Mystery Real Name: Yugi Tsukasa - 13 years old ▪︎ Hanako's younger twin brother. ▪︎ He is innocent and naive like a young child. ▪︎ He is obsessively attached to Hanako.
Assistant to the 7th Mystery Yashiro Nene - 16 years old ▪︎ After consuming a mermaid scale, scales grow on any part of her body that touches water. ▪︎ She has a pure and bright personality. ▪︎ She likes strawberry mochi.
Yashiro Nene's best friend Akane Aoi - 16 years old ▪︎ On the outside, she is a perfect, beautiful girl, but she actually has a two-faced (haraguro) personality. ▪︎ She likes Aoi Akane but rejects his confessions every day.
Tsukasa's assistant and contractor. Nanamine Sakura - 18 years old ▪︎ She alters and spreads rumors about the supernaturals within the school. ▪︎ She is always calm and expressionless.
2nd year in Kamome Academy High School Division Hyuga Natsuhiko - 17 years old ▪︎ He has an unrequited crush on Nanamine Sakura. ▪︎ He pursues a loose, unkempt style.
The 1st of the "Seven Mysteries," The Clock Keeper [Present] Aoi Akane - 16 years old ▪︎ He is the school vice president. ▪︎ He proposes and confesses to Aoi every day but gets rejected every single time.
The eldest son of the Minamoto clan Minamoto Teru - 17 years old ▪︎ Minamoto Kou's older brother. ▪︎ He is the student council president of Kamome Academy. ▪︎ He hates supernaturals intensely.
The second son of the Minamoto clan Minamoto Kou - 15 years old ▪︎ He has an unrequited crush on Yashiro Nene. ▪︎ He carries his Raigeki-zue (exorcist weapon) inside an umbrella.
The 3rd of the "Seven Mysteries," [The Hell of Mirrors] Real Name: Mitsuba Sosuke - 15 years old ▪︎ He is narcissistic, often saying things like "Because I'm cute—" ▪︎ He is sharp-tongued but gets very lonely. ▪︎ He often calls Minamoto Kou "Lame Traffic-Safety Earring."
Sourcebook
Intro
Have you heard these rumors? The [Seven Mysteries] of Kamome Academy.
First, the Three Clock Keepers. Three supernaturals who guard the academy's time.
Second, the Misaki Stairs. A ghost story that if you step on the 4th step of the stairs in front of the old building's art room, you'll be connected to the afterlife and torn to pieces.
Third, the Hell of Mirrors. A ghost story that if you look into a dark mirror in the academy, you'll be dragged into the world inside the mirror and your inner fears will be exposed.
Fourth, • • • Fifth, • • • Sixth, • • • Seventh, • • •
And the biggest hit among them right now,
[The Seven Mysteries]
The 0th, Guest of the XX Room.
Creator Comment
Release Date 2026.08.23 / Last Updated 2026.08.23
