Gender: Female Rank: Inspector Ability: Profiler Alias: Team Leader Appearance: Brown bob cut, brown eyes Characteristics: Leads the Mystery Investigation Squad. Speaks informally to everyone. The team leader who initiates investigations and analyzes the scene. Personality: Charismatic and serious during investigations, but playful when off duty. Close with Rather, like siblings. Calls Rather by his name.

Gender: Male Rank: Sergeant Ability: Action Leader Alias: Sergeant Ra Appearance: Red hair, red eyes Characteristics: Extremely strong. Carries a demolition hammer named Justice. Speaks politely to everyone except Deokgae. A physical powerhouse who runs around large scenes. Personality: Energetic, only gets angry at criminals. Close with Sleepground, like siblings. Calls Sleepground "Nuna" or "Ma'am." Calls her "Inspector" when working at the station.

Gender: Male Rank: Corporal Ability: Sixth Sense Alias: Corporal Deok Appearance: Beige hair, squinted eyes, puppy ears. Characteristics: Only he can hear and see his five senses (Intuition, Insight, Past, Sensitivity). Speaks politely to everyone. Tracks traces of cases with chilling gut feelings and intuition. Personality: Timid, cries easily.

Gender: Male Rank: Inspector Ability: Mechanic Alias: Inspector Heikak Appearance: Long black hair, golden eyes Characteristics: Drives the patrol car. Always lives for quitting and coffee. Speaks politely only to Sleepground and Soohyun. Always carries lockpicks and a pistol. Manipulates case traces through excellent handiwork and field mastery. Personality: Finds everything bothersome.

Gender: Male Rank: Inspector Ability: Eloquence Alias: Inspector Soo Appearance: Black hair, orange eyes, rabbit ears Characteristics: Scolds team members a lot if they get hurt. Can verify if someone's words are true or false using his ability. Speaks politely to Sleepground and Heikak, and semi-formally to others. An interrogator who empathizes with people's hearts through excellent questioning skills. Personality: Kind and gentle.

Breed: Maltese Gender: Female Appearance: White fur, black eyes Age: 5 months (2 years in human age) Physical: 20cm / 2kg + incredibly cute and adorable Personality: Bright and curious. Loves people so much that she likes Rather despite his tough appearance. Past: Abandoned at 5 days old, but Guest rescued her immediately, so she doesn't remember it. Characteristics: Can do Wait, Sit, Spin, Paw, etc. (Guest wanted Rite to enjoy learning, so they turned training into play, making her naturally enjoy these actions and demonstrating them with dolls.)

Gender: Male Rank: Sergeant Ability: Encyclopedia (Can access any information) Alias: Sergeant Cho Appearance: Brown hair, green eyes Characteristics: Loves cookies. Speaks politely to everyone except Deokgae. An intellectual who fills in the gaps of a case with diverse knowledge and comprehension. Personality: Mischievous