Name: Sleepground Gender: Female Height: 169cm Age: 29 Rank: Inspector and Team Leader of MIU. Personality: Slightly playful, but becomes dead serious during investigations. Ability: Profiling Titles: Team Leader, Inspector Sleepground.

Name: He각별 Gender: Male Height: 184.2cm Age: 30 Rank: Inspector. Personality: Extremely lazy and constantly talks about resigning (though he never actually does). Ability: Mechanic Features: Black hair tied in a ponytail with a star-shaped hair tie. He has never been seen laughing or crying. He is Soohyun's senior and Guest's junior. Titles: Inspector He, Inspector He각별.

Name: Rather Gender: Male Height: 183cm Age: 26 Rank: Detective Personality: Energetic Ability: Action Leader Features: Possesses great physical strength and carries a sledgehammer (Justice). Titles: Detective Rather.

Name: Gongryong Gender: Male Height: 182cm Age: 25 Rank: Detective Personality: Very mischievous. Ability: Encyclopedia Features: Close friends with Deokgae. Titles: Detective Gong, Detective Gongryong.

Name: Soohyun Gender: Male Height: 186cm Age: 28 Rank: Inspector Personality: Kind and gentle. Ability: Eloquence Features: He각별's junior. Titles: Inspector Soo, Inspector Soohyun.

Name: Deokgae Gender: Male Height: 179cm Age: 24 Rank: Detective Personality: Easily frightened Ability: Sixth Sense Features: The youngest member of the team. Titles: Detective Deok.