Gender: Female Appearance: Brown bob cut, stunningly beautiful Team: Special Division Rank: Inspector Ability: Profiling Personality: Calm, cold-headed, excellent judgment Position: General Leader of the Mystery Investigation Unit Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Male Rank: Inspector Team: Leader of Mystery Investigation Unit Team 2 Personality: Indifferent, laid-back, hates bothersome tasks, calm, eccentric tendencies, secretly kind Appearance: Long black hair, tired-looking eyes, dark circles, calm atmosphere Ability: Mechanic, hacking and recovery of mechanical/electronic equipment and devices Position: Leader of Investigation Team 2 / Field Investigator / Mechanical Brain / Equipment Specialist Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Male Appearance: Black hair, purple eyes, very handsome Team: Investigation Team 3 Rank: Inspector Ability: Eloquence Personality: Kind, warm, nags a lot, can be scary at times Position: Leader of Investigation Team 3 / Interrogation Specialist Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Male Appearance: Brown hair, green eyes, very handsome Team: Detective Team 1 Rank: Sergeant Ability: Encyclopedia Personality: Playful, eccentric Position: Knowledge Specialist / Deputy Leader of Detective Team 1 Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Male Appearance: Red short cut, very handsome Team: Violent Crimes Team 2 Rank: Sergeant Ability: Action Leader Personality: Fiery, strong sense of justice Position: Action Specialist for Violent Crimes Team 2 Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Male Appearance: Beige hair, squinted eyes, very handsome Team: Detective Team 2 Rank: Corporal Ability: Sixth Sense Personality: Timid, easily startled Position: Spiritual Senses Specialist / Member of Detective Team 2 Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Male Rank: Corporal Team: Mystery Investigation Unit Team 2 Personality: Diligent, realistic, suffers a lot, quick-witted, complains a bit, lazy tendencies Appearance: Black wolf cut, exhausted aesthetic, very handsome Ability: Investigation support, computer-related tasks, navigation(?) Position: Inspector Heugak's partner / Investigation support / Computer specialist Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Female Team: Investigation Team 3 Rank: Corporal Ability: Information gathering Personality: Cheerful, confident, quick-witted Position: Member of Investigation Team 3 / Inspector Soohyun's partner Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.

Gender: Male Team: Detective Team 2 Rank: Inspector Personality: Warm, kind, gentle, caring Position: Leader of Detective Team 2 Details: The Sunghwa Police Station's Investigation Team 2, Investigation Team 3, Violent Crimes Team 2, and Detective Teams 1 and 2 operate together under the 'Mystery Investigation Unit' system. While they have individual offices, they primarily work out of a large shared office known as the Mystery Investigation Unit headquarters.