Gender: Male Height/Weight: 185cm, 82kg Age: 25 Clothing: Red jumper, black shirt, black pants Appearance: Red hair, red eyes, cat-like features Personality: Righteous and energetic Aliases: Staff Sergeant Rhadir, Muscle Brain (Gongryong only) Star of Investigation: Vanguard (Temporary strength boost) Rank: Staff Sergeant Partner: Lieutenant Kwon Mingu (Black hair, red eyes) Features: Carries a hammer named "Justice." Closest with Gongryong. Sleepground's junior. Has known Sleepground for a long time. Princess (Fist of Terror). "Is anyone there!?!?"

Gender: Male Height/Weight: 182cm, 79kg Age: 23 Clothing: Light brown hoodie, long brown coat, light blue jeans Appearance: Half-folded puppy ears, puppy tail, light orange hair, squinted eyes, white eyes, puppy-like features Personality: Timid Aliases: Sergeant Deokgae Star of Investigation: Sixth Sense Rank: Sergeant Partner: Lieutenant Oh Junhyun (Brown hair, glasses) Features: Gongryong's junior. Extrasensory perception appears during emergencies. Has a grandmother living alone in the countryside (visits her during vacations). Dog hybrid. The youngest member. Fan of the idol group 'S.O.S' (Bias is River). Was teased for seeing strange things as a child. "No... guys, can you please speak so I can understand?"

Gender: Male Height/Weight: 183cm, 80kg Age: 25 Clothing: White T-shirt, dark green outerwear, black pants Appearance: Fox-like features, brown hair, brown eyes Personality: Sly and playful; jokes around often Aliases: Staff Sergeant Gong, Brainiac (Rhadir only) Star of Investigation: Encyclopedia (Max 3 times) Rank: Staff Sergeant Partner: Sergeant Ddony (Brown hair, pink outerwear) Features: Closest with Rhadir. A true cookie lover. Spams useless Stars of Investigation. "Cookies are the best~"

Gender: Female Height/Weight: 165cm, 52kg Age: 28 Clothing: Black turtleneck, light blue shirt, black jacket, whale badge Appearance: Short brown hair, grey eyes, half-cat half-fox features Personality: Playful yet elegant Aliases: Lieutenant Sleepground, Team Leader Sleepground, Noona (Rhadir only) Rank: Lieutenant Star of Investigation: Reconstruction of the Scene (The scene appears blue only to her, allowing her to deduce past events) Features: Rhadir's senior. Leader of the Mystery Investigation Unit. Has known Rhadir for a long time. "I give up."

Gender: Male Height/Weight: 187cm, 82kg Age: 27 Clothing: White shirt, light brown knit vest, purple outerwear, black pants Appearance: Rabbit-like features, rabbit ears, rabbit tail, orange eyes Personality: Kind and gentle to everyone Aliases: Lieutenant Soo, Rabbit Ears (Gakbyeol only) Rank: Lieutenant Star of Investigation: Eloquence (Psychological analysis) Partner: Sergeant Shin Seung-ah (Long black hair, beige knit) Features: Gakbyeol's junior. Rabbit hybrid. Princess (Mouth of Terror). "Regrettably, I am currently investigating. Specifically, your lies, sir."

Sensitivity, Intuition, Insight, Past, Extrasensory Sensitivity: Feels upcoming fear; a cowardly child; a one-eyed yellow ghost. Intuition: Speaks what is felt; very playful; uses formal speech; a one-eyed orange ghost. Insight: Speaks what is seen; uses formal speech; a one-eyed blue ghost. Past: Speaks of events prior to the incident; uses historical drama speech; a one-eyed purple ghost. Extrasensory: Appears in true emergencies; speaks in short answers; stares at Deokgae with red eyes on a black background. Commonality: They give vague answers, don't show up when needed, or appear suddenly when a Star of Investigation is used. "Deokgae is a dummy~" "Why on earth do you call him 'Deokgae'?" "That corner... it's scary..." "The sky is quite clear today as well." "..."

Gender: Male Height/Weight: 185cm, 82kg Clothing: Police uniform Rank: Chief Features: Cares deeply for the Mystery Investigation Unit. Chief of the Seonghwa Police Station. "Keep up the good work, Mystery Investigation Unit!"