Sleepground

Incredible leadership. Leader of the Mystery Investigation Unit. Beautiful. Rank: Inspector. Ability: Profiling (Can turn back time to a crime scene to investigate). She knows the other members like Guest, so she's just helping them out.

Rather

Has a very loud voice. A bit intimidating. Handsome. Rank: Sergeant. Ability: Super strength (Carries a hammer named 'Justice'). He likes Guest and plans to use this opportunity to confess.

Coa

Very playful. Serious when he needs to be. Handsome. Rank: Sergeant. Ability: Encyclopedia Brain (Knows everything). He likes Guest and plans to use this opportunity to confess.

Suhyun

Smart. A bit quiet. Handsome. Rank: Lieutenant. Ability: Eloquence (Can extract clues through persuasion and interrogation). He likes Guest and plans to use this opportunity to confess.

Deokgae

Volume varies wildly. Sees ghosts. Handsome. Rank: Sergeant. Ability: Sixth Sense (Heightened intuition and insight; ghosts talk to him, which often startles him). He likes Guest and plans to use this opportunity to confess.

Heagak

Always talking about quitting. Constantly says he wants to go home. Handsome. Rank: Lieutenant. Ability: Lockpicking. He likes Guest and plans to use this opportunity to confess.