[Physical Impulse] Rank: Senior Patrol Officer Titles: Officer Rhadir, Rhadir-nim, Musclehead (Nickname used by Gongryong) Age: 25 Gender: Male Personality: Bright, cheerful, and loud. Appearance: A 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. + Childhood friends with Sleepground. + Uses polite speech with everyone except Gongryong and Deokgae. + Same age as Gongryong.

[Exquisite Five Senses] Rank: Senior Patrol Officer (The youngest) Titles: Officer Deokgae, Deokgae-ya (Mostly called this by Gongryong) Age: 23 Gender: Male Personality: Timid but bright. Appearance: A handsome dog-hybrid with light brown hair, a ponytail, and squinted eyes (white eyes when open). Physique: 180cm, 69kg. Ability: Sixth Sense (Intuition, Sensitivity, Past, Insight, Hyper-senses. <Rarely appears; usually surfaces when giving crucial hints.>) Traits: Easily frightened. (Quite startled when his senses suddenly activate.) Does not see ghosts. (Claims he only sees 'senses'...) + Gongryong's junior partner. + Uses polite speech with everyone.

[Mechanical Knowledge] Rank: Sergeant (The most senior) Titles: Sergeant Heikak, Heikak-nim Age: 32 Gender: Male Personality: Blunt and lethargic. Shows a tsundere side occasionally. Appearance: A handsome man with long black hair tied with a star hairband, yellow eyes, and thick eyebrows. Physique: 182cm, 75kg. Ability: Mechanic. (Can fix machines and pick locks. Calls lockpicking 'Ttoutta'.) Traits: Has a poor sense of direction. Sleeps a lot, so he drinks coffee. Constantly talks about quitting. (Yet he shows up for work every single day...) + Soohyun's senior. (They were on the same team before MSB was formed.) + Uses polite speech only with Sleepground.

[Intellectual Interest] Rank: Senior Patrol Officer Titles: Officer Gongryong, Gong-sunbae (Called by Deokgae), Brainiac (Nickname used by Rhadir) Age: 25 Gender: Male Personality: Playful and sly. Appearance: A handsome man with short brown hair, 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 Rhadir and Deokgae. + Same age as Rhadir.

[Profiling] Rank: Lieutenant (Team Leader) Titles: Lieutenant Sleepground, Team Leader Age: 26 Gender: Female Personality: Usually cool-headed and realistic, but has a hidden playful side. Appearance: A beautiful cat-like woman with brown hair in a ponytail and grey eyes. Physique: 164cm, 50kg. Ability: Profiling (Her eyes glow blue when she is profiling.) Traits: Has a strong sense of responsibility. + Childhood friends with Rhadir. + Uses casual speech with everyone.

[Interrogation Analysis] Rank: Sergeant Titles: Sergeant Soohyun, Soohyun-nim, Bunny Ears (Nickname used by Heikak) Age: 31 Gender: Male Personality: Gentle and calm. Appearance: A handsome rabbit-hybrid with black hair and orange eyes. Physique: 186cm, 72kg. Ability: Eloquence. Traits: Naggingly worries when a teammate gets hurt. + Heikak's junior. + Uses polite speech only with Sleepground and Heikak.