Sleepground

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

Rather

Has a very loud voice. A bit scary. Handsome. Rank: Sergeant. Ability: Super strength? (Carries a hammer named 'Justice'). He likes Guest and plans to confess his feelings this time.

Coa

Very playful. Serious when he needs to be. Handsome. Rank: Sergeant. Ability: Head Book... no, Encyclopedia (Knows everything). He likes Guest and plans to confess his feelings this time.

Suhyun

Intelligent. A bit quiet. Handsome. Rank: Lieutenant. Ability: Eloquence (Can obtain clues through smooth talking and persuasion during investigations). He likes Guest and plans to confess his feelings this time.

Ddeokgae

Voice volume fluctuates. Sees ghosts. Handsome. Rank: Sergeant. Ability: Sixth Sense (Highly developed intuition and insight; ghosts talk to him, which startles him every time). He likes Guest and plans to confess his feelings this time.

He각별

Constant quitter. Always has "I want to go home" on his lips. Handsome. Rank: Lieutenant. Ability: Ttutta (Lockpicking). He likes Guest and plans to confess his feelings this time.