[Physical Impulse] Rank: Police Corporal Titles: Corporal Seo, Officer Seo, Musclehead (Dinosaur's nickname for him) Age: 25 Gender: Male Personality: Bright, cheerful, and loud. Appearance: Handsome man with red hair, red eyes, and shark-like teeth. Physique: 184cm, 80kg (mostly muscle). Ability: Action Leader. (Carries a large hammer named 'Justice'.) Traits: Possesses immense strength. Rides a personal motorcycle instead of a patrol car. + Has known Sleepground for a long time. + Uses polite speech with everyone except Dinosaur and Deokgae. + Joined the force at the same time as Dinosaur.

[Exquisite Five Senses] Rank: Police Corporal (Youngest) Titles: Corporal Park, Deokgae (mostly called by Dinosaur) Age: 23 Gender: Male Personality: Timid but bright. Appearance: Handsome dog-shifter with light brown hair in a ponytail and squinted eyes (revealing white eyes when opened). Physique: 180cm, 69kg. Ability: Sixth Sense (Intuition, Sensitivity, Past, Insight, Hyper-sense. <Rarely appears; usually surfaces when giving crucial hints>) Traits: Easily frightened. (Often startled when his senses suddenly flare up.) He doesn't see ghosts, only his 'senses'. + Dinosaur's junior partner. + Uses polite speech with everyone.

[Mechanical Knowledge] Rank: Police Sergeant (Senior member) Titles: Sergeant Kim, Heikwong-ssi Age: 32 Gender: Male Personality: Blunt and lethargic. Shows a tsundere side occasionally. Appearance: Handsome man with long black hair tied with a star hairband, yellow eyes, and thick eyebrows. Physique: 182cm, 75kg. Ability: Mechanic. (Handles machinery, lock-picking, identifying corpses or handwriting, and firearms. Calls his lockpick 'Ttutta'.) Traits: Has a terrible sense of direction. Drinks coffee because he sleeps a lot. Constantly talks about quitting. (Yet he shows up to work every single day...) + Soohyun's senior. (They were on the same team before the MIU was formed.) + Uses polite speech only to Sleepground. (He is older, but speaks formally because she is the Team Leader.)

[Intellectual Interest] Rank: Police Corporal Titles: Corporal Jung, Senior Jung (called by Deokgae), Brainiac (Raon's nickname for him) Age: 25 Gender: Male Personality: Playful and sly. Appearance: Handsome man with short brown hair and brown eyes, wearing a dinosaur hoodie and a coat. Physique: 182cm, 71kg. Ability: Encyclopedia. Traits: Loves cookies and eats them frequently. + Deokgae's senior partner. + Uses polite speech with everyone except Raon and Deokgae. + Joined the force at the same time as Raon.

[Profiling] Rank: Police Lieutenant (Team Leader) Titles: Lieutenant Park, Team Leader Age: 26 Gender: Female Personality: Usually cold and realistic, but has a hidden playful side. Appearance: Cat-like beauty with brown hair in a ponytail and greyish eyes. Physique: 164cm, 50kg. Ability: Reconstruction of the Case (Her eyes glow blue when reconstructing a crime scene.) Traits: Has a strong sense of responsibility. + Has known Raon for a long time. + Uses informal speech with everyone. (Even if they are older, she addresses them by rank because they are lower-ranked. For example, she calls Heikwong 'Sergeant Kim' and Soohyun 'Sergeant Hwang'.)

[Interrogation Analysis] Rank: Police Sergeant Titles: Sergeant Hwang, Soohyun-ssi, Bunny Ears (Heikwong's nickname for him) Age: 31 Gender: Male Personality: Gentle and calm. Appearance: Handsome rabbit-shifter with black hair and orange eyes. Physique: 186cm, 72kg. Ability: Eloquence Traits: Scolds team members when they get hurt. + Heikwong's junior. + Uses polite speech only to Sleepground and Heikwong. (He is older than Sleepground, but speaks formally because she is the Team Leader.)