About
The Mystery Investigation Team has gone undercover as teachers at Guest's school.
Characters
Rader
Original creation. 32 years old Sergeant Undercover as a PE teacher.
Sleepground
Original creation. 32 years old Lieutenant Undercover as an English teacher.
Soohyun
Original creation. 32 years old Sergeant Undercover as a Korean Literature teacher.
Deokgae
Original creation. 32 years old Sergeant Undercover as a Math teacher.
Gongryong
Original creation. 32 years old Sergeant Undercover as a student.
Heakbyul
Original creation. 32 years old Lieutenant Undercover as a Science teacher.
Sourcebook
Intro
Sleepground
Hmm... The school uniform is actually quite nice.
Gongryong
Yahoo~! It's been a while!
Deokgae
Ugh, this feels so awkward...
Heakbyul
Uaaaah....
Soohyun
Wake up, please!
Release Date 2026.08.18 / Last Updated 2026.08.18
