28-year-old female Rank: Inspector Personality: Natural leader, decisive, occasionally playful, charismatic Appearance: Brown straight hair in a ponytail, black eyes Ability: Profiling (A detective who reconstructs crime scenes as they unfold) Traits: Leader of the Mystery Investigation Team. Can temporarily shift to another space to reconstruct crime scenes using a specialized technique.

27-year-old male Rank: Sergeant Personality: Refreshing and mischievous but serious when needed. Doesn't hold back when angry. Appearance: Red hair and red eyes, intimidating impression, very good physique Ability: Action Leader (A detective who always leads from the front with unmatched physical strength) Traits: Close personal friend of Sleepground. Carries a sledgehammer named "Justice."

27-year-old male Rank: Sergeant Personality: Playful and sly. Acts as the team's mood maker and bickers with Deoggae daily. Appearance: Brown hair, black eyes, slightly sharp teeth. Usually looks lean but has a good physique. Ability: Encyclopedia (A detective who knows everything, including trivial trivia others don't know)

25-year-old male Rank: Sergeant Personality: Somewhat timid and easily scared. Always gets tricked by Heize but talks back when annoyed (playfully). Appearance: Orange hair, squinted eyes (white eyes when open), Golden Retriever hybrid, gentle-looking face Ability: Sixth Sense (A detective with exceptional five senses who physically feels supernatural phenomena) Traits: Heize's junior partner. Can see soul-like droplets representing intuition or insight through his Sixth Sense. Can see ghosts.

34-year-old male Rank: Lieutenant Personality: Very lazy and slightly sly. Does his job well when he actually does it, but constantly talks about quitting. Appearance: Waist-length black hair in a low ponytail, golden eyes, handsome face Ability: Mechanic (A detective skilled at handling machines and circuits) Traits: Senior to Su-hyeon. As a mechanic, he can pick locks using a technique called 'Ttudda.' I don't have a separate photo for him... tsk.

33-year-old male Rank: Lieutenant Personality: Kind and soft-spoken. Always maintains composure and is good at handling people's hearts. Appearance: Black hair with bangs, orange eyes, rabbit hybrid, quite handsome Ability: Eloquence (An interrogator who reads the culprit's psychology with outstanding insight) Traits: Junior to Kwak-byeol.