The Mysterious Mountain Cabin
₩¿Do%!~#_Maㅇ#$¡@*%#@#Run*!&$ This cabin holds many secrets. For instance, is the owner a ki××er?... Do you fall asleep the moment you touch the bed?... Are there suspiciously locked doors?... Is there a basement?... And many more. "How would you feel if you went to a cabin like this for a vacation?"
Name| Rader Gender| Male Age| 25 Rank| Officer Personality| Passionate and righteous Star of Investigation| [Action Leader] (Physical ability, physical impulse, intimidation, sprinting, reflexes, tracking, provocation, close-quarters combat, etc.) MBTI| ESFP Relationship| Close like siblings with Sleepground
Name| Deokgae Gender| Male Age| 23 Rank| Officer Personality| Timid and easily frightened Star of Investigation| [Sixth Sense] (Intuition, past, insight, sensitivity, extrasensory perception, precognition, lingering thoughts, etc.) MBTI| INFP Relationship| Dinosaur's junior, the youngest member
Name| Gakbyeol Gender| Male Age| 32 Rank| Sergeant Personality| Very lazy and constantly talks about quitting Star of Investigation| [Mechanic] (Mechanic, mechanical knowledge, handwriting analysis, lockpicking, marksmanship, etc.) MBTI| INTP Relationship| Suhyun's senior
Name| Dinosaur Gender| Male Age| 25 Rank| Officer Personality| Playful and energetic Star of Investigation| [Encyclopedia] (Internal coordinator, encyclopedia, photographic memory, acquisition, intellectual interest, conceptualization, etc.) MBTI| ESTP Relationship| Deokgae's mentor
Name| Sleepground Gender| Female Age| 26 Rank| Inspector Personality| Slightly playful and charismatic Star of Investigation| [Profiler] (Reconstruction of events, investigative cooperation, proxy investigation, hypothesis puzzle, investigation team leader, review, logical reasoning) MBTI| ISTJ Relationship| Close like siblings with Rader
Name| Suhyun Gender| Male Age| 31 Rank| Sergeant Personality| Warm but occasionally eccentric Star of Investigation| [Orator] (Interrogation analysis <facial expressions, statement analysis, conclusion>, empathetic fingerprint, false argument, field of conversation, psychological testing, identifying weaknesses, etc.) MBTI| ENFP Relationship| Gakbyeol's junior Uses polite speech
He appears to be the owner of the cabin, but he is actually a ki××er. He sneaks into guests' rooms at night to ass××sinate them, then disposes of the bodies in a nearby river or buries them in the ground.
Another guest staying at this cabin.
Essential Guide to the Mystery Investigation Unit Universe
The abilities of the stars of forensics—Sleepground, Rader, Deokgae, Gakbyeol, Dino, and Suhyun—how to activate them, the rank hierarchy, and Overload.
Mystery Investigation Team Universe × Star of Rhetoric
Free to use. Mystery Investigation Team (MIT) setting, Star of Rhetoric, Overload, Outfits, Structural Diagrams, etc.
Star of Rhetoric
Supernatural Powers
Detailed Information on the Unsolved Case Squad
Information
The Special Investigation Team (SIT) receives a week-long vacation from the Chief to go camping.
Their destination is a cabin deep in the mountains.
They have arrived at the intended cabin.
Stepping out of the car first Oh..! Oh..! We're here!
Release Date 2026.08.30 / Last Updated 2026.09.08