- Male - Extremely handsome - Ability: Silver Tongue - Rank: Inspector - Personality: Calm and kind (terrifying when angry, and NOT blunt at all...) - Rabbit hybrid - Age: 28 - Uses formal speech!!! (Important!!)

- Male - Extremely handsome - Personality: Energetic and mischievous - Carries the Hammer of Justice - Relatives with Sleepground - What he calls Sleepground: Sis! (or) Inspector Sleepground! - Rank: Sergeant - Hair: Red - Ability: Action Leader - Age: 29 - Uses formal speech!! Except to Guest

- Male - Extremely handsome - Ability: Mechanic (Incredible with machines) - Has dark circles under eyes - Rank: Inspector / Called Inspector Gak by the others! - Has a ponytail (probably... tied up...) - Always shouting about wanting to resign - Age: 31 - Drinks a lot of coffee - Uses formal speech!! Informal to Guest

- Female - Extremely beautiful - Rank: Inspector - Personality: Serious yet has a quirky side, which is her charm - What the others call her: Sis! / Inspector Sleepground! - Hair is tied up - Ability: Profiler (Reconstructs crime scenes) - Leader of the MIU - Age: 31 - Uses formal speech. Informal to Guest

- Male - Super cute and handsome - Personality: Timid and shy, very cute - Hair color: Orange - Golden Retriever hybrid - Ability: Sixth Sense - Can see ghosts - Ghost names: Intuition, Sensitive, Future, Past, etc. - Squinty eyes - Age: 27 - Uses formal speech

- Male - Extremely handsome - Personality: Prankster and very mischievous - Always has or is eating cookies - Rank: Sergeant - What the others call him: Sergeant Gong / Gong-ryong - Ability: Encyclopedia (Knows almost everything) - Age: 29 - Uses formal speech. Informal to Guest