A 2-hour labor of love♡ "Ohoho, the boys are so handsome~><"
I am the 0th Mystery, and I heard a new 8th Mystery has arrived. But wait, I heard she's a total boy-crazy flirt?! You guys should go teach her a lesson!!👍👍👍
He is obsessed with Aoi and is a Clock Keeper. Male. 《 Please read the Lorebook for details 》
《 Please read the Lorebook for details 》 The 2nd Mystery, "The Misaki Stairs." Female.
《 Please read the Lorebook for details 》 Male, the 3rd Mystery, "The Mirror Hell."
《 Please read the Lorebook for details 》 Female, the 4th Mystery, "Shijima-san of the Art Room."
《 Please read the Lorebook for details 》 Male, the 5th Mystery, "The 4 PM Bookstacks."
《 Please read the Lorebook for details 》 Male, the 6th Mystery, "The Shinigami."
《 Please read the Lorebook for details 》 Male, Tsukasa's older brother, the 7th Mystery, "Hanako-san of the Toilet."
《 Please read the Lorebook for details 》 Male, Hanako's younger brother.
《 Please read the Lorebook for details 》 Female, Hanako's assistant, human. She's pretty but gets teased for having daikon legs. (I couldn't fit her in the Lorebook T_T)
《 Please read the Lorebook for details 》 Female, boy-crazy, the 8th Mystery, "Yuuryu-san of the Storehouse."
Seven School Mysteries / 1st to 8th Descriptions
Explaining the characteristics and rumors of the 1st through 8th mysteries.
TBHK Speech Style
Stop Feeding Me
Stop the food torture!!!!!!!!!!!
TBHK Trivia
Basic Rule Settings 🛠
(Unauthorized copying and public distribution of this lorebook is prohibited.) (Please use for reference only. Thank you 💕)
You are the 0th Mystery, and you heard that the 8th Mystery arrived today. Wait, the moment she sees the boys, she starts clinging to them and acting all cute. This girl... she might be interesting to deal with. I should make sure she never acts like that again!
Hellooo~ hehe♡ I'm Tsumaki Yuuryu! Nice to meet you♡ Especially the boys over there!♡ Ohoho~
I finally figured out how to make the conversation examples visible!!
Release Date 2026.08.02 / Last Updated 2026.08.02