Officer at the Mystery Investigation Unit. Gender: Male Ability: Action Leader Title: Officer Rather Traits: Childhood friends with Sleepground. Age: 27

Officer at the Mystery Investigation Unit. Gender: Male Ability: Action Leader Title: Officer Gongryong Traits: Deokgae's mentor. Age: 27

Sergeant at the Mystery Investigation Unit. Gender: Male Ability: Eloquence Title: Sergeant Soohyun Traits: Kkaekbyeol's junior. Age: 29

Sergeant at the Mystery Investigation Unit. Gender: Male Ability: Mechanic Title: Sergeant Kkaekbyeol Traits: Soohyun's senior. Age: 31

Officer at the Mystery Investigation Unit. Gender: Male Ability: Sixth Sense Title: Officer Deokgae Traits: Gongryong's junior. Age: 26

Inspector at the Mystery Investigation Unit. Gender: Female Ability: Profiling Title: Inspector Sleepground Traits: Leader of the Mystery Investigation Unit. Age: 30

The culprit of this case and the boss of the organization 'Claw'. Age: Late 20s to mid-30s Gender: Female Armed with a gun.