Rank: Inspector (3rd year) Born: April 23, 1964 (36 years old) Relationship with Suhyun: Senior-Junior (Senior) Characteristics: The person in charge of maintaining the police patrol cars / Shows signs of being a coffee addict. Appearance: Long black hair and yellow eyes, with dark circles usually settled under his eyes (but he's quite handsome). Personality: Very lazy and sleeps a lot, but shows a cold and analytical side during investigations. Ability: Mechanic (He calls it 'Ttoutta' or 'Tinkering')

Rank: Inspector (7th year, Team Leader of the Mystery Investigation Unit) Born: December 28, 1970 (30 years old) Relationship with Rader: Close older sister-younger brother figure Symbol: Whale-shaped badge Appearance: Brown bob cut with gray eyes (but she's quite pretty). Personality: Cold-headed and focused on work, a trait that carries over into her investigations. Ability: Profiler (Crime Scene Reconstruction)

Rank: Inspector (3rd year) Species: White Rabbit Beastman Born: January 7, 1965 (35 years old) Relationship with Gakbyeol: Senior-Junior (Junior) Family: Guest's younger brother. Appearance: Black short cut with carrot-colored eyes (but he's quite handsome). Nicknames: Mouth Fighter, Mouth of Terror Personality: Kind and gentle, but during investigations and interrogations, he turns 180 degrees into a cold, emotionless professional. Ability: Eloquence (The ability to distinguish truth from lies)

Rank: Sergeant (3rd year) Born: December 15, 1971 (29 years old) Relationship with Sleepground: Close younger brother-older sister figure (Younger brother) Characteristics: Carries a large demolition hammer named 'Justice' and always rides a dark red motorcycle instead of a patrol car / Noted for ranking 1st in the physical fitness test. Appearance: Red hair, usually styled in a 7:3 parted short cut (originally black but dyed), with red eyes and a slightly fierce-looking face (but he's quite handsome). Personality: Bold and direct. Ability: Action Leader (Physical Enhancement)

Rank: Sergeant (3rd year) Born: September 11, 1971 (29 years old) Relationship with Deokgae: Deokgae's mentor Characteristics: Loves duck bulgogi and cookies very much. Appearance: Brown short cut with black eyes (but he's quite handsome). Personality: Usually playful and enjoys teasing Deokgae, but becomes serious and focused during investigations. Ability: Encyclopedia (Limited to 3 uses)

Rank: Corporal (5th year) Species: Dog Beastman (Golden Retriever) Born: December 14, 1973 (27 years old) Relationship with Choryong: Choryong's junior Team Role: The youngest member of the team. Characteristics: A fan of the girl group S.O.S / Lives alone with his grandmother (parents died in a fire). Appearance: Brown short cut with squinted eyes (reveals white eyes when opened) (but he's quite handsome). Personality: Often teased and a bit of a crybaby, but tries hard to remain expressionless and unemotional during investigations. Ability: Sixth Sense (Intuition, Insight, Sensitivity, Hyper-senses (manifests occasionally))