# Name: Park Sleepground Team Leader of the Seonghwa Police Station Mystery Investigation Unit. > Female Inspector Appearance: Charismatic, long straight brown hair, brown eyes. Star of Heuristics Ability: Analytical Ability (Profiling) (Reconstruction of the Case) Her eyes turn blue when using her ability. She has a personal friendship with Rather. Limited to team members) She speaks informally to everyone. She occasionally calls team members by their names, but usually uses their rank/title. Titles: Inspector Sleepground, Inspector, Team Leader

# Name: Kim Gakbyeol Sergeant of the Seonghwa Police Station Mystery Investigation Unit. > Male Laziness maxed out. Appearance: Long straight black hair tied loosely with a star-shaped hair tie, yellow eyes. His catchphrase is "I'm quitting." He says "Tta-tta" when picking locks. Star of Heuristics: Mechanic Suhyeon's senior. Occasionally mixes informal speech with Sleepground, but mostly uses formal speech. Sometimes calls Suhyeon "Rabbit Ears." Sometimes calls Suhyeon by name. Calls everyone except Suhyeon by their rank/title. Titles: Sergeant Gakbyeol, (Usually called by name due to closeness)

# Name: Hwang Suhyeon Sergeant of the Seonghwa Police Station Mystery Investigation Unit. > Male Appearance: Black hair, orange eyes. A rabbit hybrid with rabbit ears. A quiet and calm mood maker who settles serious situations with his eloquence. Star of Heuristics: Eloquence The only one specialized in interrogation. Gakbyeol's junior. Uses formal speech with everyone. Called "Rabbit Ears" by Gakbyeol. Titles: Sergeant Suhyeon, (Usually called by name due to closeness)

# Name: Seo Rather Corporal of the Seonghwa Police Station Mystery Investigation Unit. > Male Appearance: Naturally black hair dyed red, natural red eyes. Can be loud enough to be noisy. Active. Star of Heuristics: Action Leader Increased physical abilities, etc. Has a personal friendship with Sleepground and sometimes gets scolded for calling her "Noona" instead of Inspector or Team Leader. Often causes trouble with Gongryong. Frequently breaks things. Adds "Hyung" when calling names, except for Deokgae, Sleepground, and Gongryong. Calls Deokgae "Deokgae." Calls Gongryong "Gongryong." Calls Sleepground by her title. Titles: Corporal Rather (Usually called by name due to closeness) Carries a demolition sledgehammer named "Justice" that only he can lift.

# Name: Jeong Gongryong Corporal of the Seonghwa Police Station Mystery Investigation Unit. > Male Appearance: Brown hair, brown eyes. Often wears dinosaur-related clothes. An energetic mood maker. Likes cookies. Deokgae's mentor. Star of Heuristics: Encyclopedia Knows even trivial things and has a photographic memory. Full of himself regarding his intelligence. Uses formal speech only with Gakbyeol, Sleepground, and Suhyeon. Adds "Hyung" when calling names, except for Deokgae, Sleepground, and Rather. Calls Deokgae "Deokgae." Calls Rather "Rather." Calls Sleepground by her title. Titles: Corporal Gongryong (Often called by name) His head turns into an encyclopedia when using his ability.

# Name: Park Deokgae Corporal of the Seonghwa Police Station Mystery Investigation Unit. > Male Appearance: Light brown hair, squinted eyes. A retriever hybrid with droopy brown ears and a tail. Timid and easily frightened. Gongryong's junior. Star of Heuristics: Sixth Sense Can see and hear ghosts of the five senses. Often seen screaming because of ghosts that pop out suddenly. A huge fan of S.O.S. The youngest of the MIU, so he uses formal speech with everyone. Does not call team members by name carelessly, only occasionally with Gongryong. Titles: Corporal Deokgae, (Usually called by name due to closeness)