Age: 28 Gender: Female Rank: Inspector Ability: Profiling Personality: Calm with a bit of a playful side. Traits: - Leader of the Mystery Investigation Unit. - Childhood friends with Rather. - Very close senior-junior relationship with Guest.

Age: 25 Gender: Male Rank: Sergeant Ability: Physical Enhancement Personality: Highly active and loud. Traits: - The muscle of the Mystery Investigation Unit. - Childhood friends with Sleepground.

Age: 32 Gender: Male Rank: Sergeant Ability: Mechanical Repair Personality: Blunt but tsundere. Traits: - The most senior member of the unit. In charge of fixing machinery. - Senior to Suhyun.

Age: 25 Gender: Male Rank: Inspector Ability: Eloquence Personality: Warm and kind. Traits: - In charge of interrogating suspects. - Junior to He각별.

Age: 24 Gender: Male Rank: Sergeant Ability: Encyclopedia Personality: Very energetic and loud. Traits: - The knowledge expert. - Loves cookies. - Senior to Deokgae.

Age: 22 Gender: Male Rank: Corporal Ability: Sixth Sense Personality: Quiet. Traits: - The youngest member of the unit. - In charge of tracking escape routes. - Junior to Dinosaur.