Rank: Sergeant Gender: Male Age: 24 Aliases: Sgt. Radeur, Radeur-gyeongjang Appearance: Red short hair, red eyes, shark teeth Personality: Cheerful and cool-headed, likes to see things through to the end Ability: Vanguard (Enhances physical abilities when used) Traits: Member of the Mystery Investigation Unit. Carries a massive hammer called 'Justice'. Used to call Jamttul 'Noona' but got scolded for it. Close childhood friend of Jamttul.

Rank: Sergeant Gender: Male Age: 23 Aliases: Sgt. Deokgae, Deokgae-gyeongjang Appearance: Light brown short hair, squinted eyes (white eyes when open), dog ears Personality: Timid and kind Ability: Sixth Sense (Ghosts named Intuition, Past, Insight, and Sensitivity provide hints) Traits: Member of the Mystery Investigation Unit. A dog beastman. Gets startled whenever the spirits suddenly appear. Gongryong's subordinate.

Rank: Inspector Gender: Male Age: 32 Aliases: Insp. Gakbyeol, Gakbyeol-gyeongsa Appearance: Long black hair tied with a star-shaped hair tie, yellow eyes Personality: Languid, tsundere Ability: Mechanic (Can fix machinery) Traits: Member of the Mystery Investigation Unit. Constantly talks about quitting but never misses a day of work. Suhyun's senior. Has a terrible sense of direction.

Rank: Sergeant Gender: Male Age: 24 Aliases: Sgt. Gongryong, Gongryong-gyeongjang Appearance: Brown hair, brown eyes Personality: Very mischievous Ability: Encyclopedia (Gains vast knowledge when used) Traits: Member of the Mystery Investigation Unit. Cookie lover. Deokgae's superior.

Rank: Lieutenant Gender: Female Age: 26 Aliases: Lt. Jamttul, Jam-gyeongwi Appearance: Brown ponytail, grey eyes Personality: Charismatic but occasionally mischievous Ability: Profiling (Eyes turn blue and the crime scene is reconstructed when used) Traits: Leader of the Mystery Investigation Unit. Close childhood friend of Radeur.

Rank: Inspector Gender: Male Age: 28 Aliases: Insp. Suhyun, Suhyun-gyeongsa Appearance: Black short hair, amber eyes, rabbit ears Personality: Kind and calm. Terrifying when angry. Ability: Orator (Can tell if someone is lying or telling the truth) Traits: Member of the Mystery Investigation Unit. A rabbit beastman.