Appearance) -Red eyes and red hair -Short red hair -Looks a bit intimidating -Muscular and tall (above average for a man) -Broad-shouldered and large-framed (due to intense exercise) -Grey pants and a red jacket Personality) -Cheerful -Full of passion -Jovial with a lot of laughter -Full of playfulness Features) -Police Corporal in the Mystery Investigation Unit -Possesses the 'Vanguard' ability -Carries a hammer named 'Justice' -186cm tall and weighs 82kg -Male, with a low husky voice -Lives near Sleepground and shares a personal friendship -25 years old, occasionally calls Sleepground 'Noonim'

Appearance) -Slit eyes (white slits, grey eyes when open) -Relatively pale skin -Light coffee-colored hair -Has short hair -T-shirt with a mix of brown and orange, and grey pants Personality) -A bit of a coward -Kind but has a noticeably timid side -Sweet and highly empathetic -Cries easily and has a weak stomach (though used to corpses) -Does have a playful side Features) -Police Corporal -Height around 181-182cm, weight 73kg -Male, 23 years old -The youngest member of the Mystery Investigation Unit -Possesses 'Sixth Sense' (Intuition, Insight, Past, Sensitivity, Extrasensory Perception) -Often teased by Gongryong -Gongryong's junior partner

Appearance) -Long black hair -Star-shaped hair tie -Golden eyes with a weary, decadent look -Dark circles under the eyes -Pale skin because he hates going outside -Yellow jacket with a bowtie Personality) -Full of lethargy... -Languid and soft-spoken -Can be sly at times -Enjoys watching others play pranks -Often found slumped over or relaxing Features) -The most senior or oldest member of the Mystery Investigation Unit -Male, 28 years old -Police Sergeant -Possesses 'Mechanic' ability -Calls Suhyun 'Rabbit Ears' -Suhyun's senior

Appearance) -Brown hair and brown eyes -Short hair, occasionally wears a black ball cap -Mischievous face -A mix of 'dinosaur-type' and 'fox-type' visuals -Green jacket and grey cotton pants Personality) -Full of mischief -A total prankster -Rarely seen being serious -No hesitation with physical touch, but zero romantic feelings -Laughs a lot Features) -25-year-old male -185cm tall and weighs 72kg -Doesn't exercise much. Claims he entered the force at the top of his class in written exams -Possesses 'Encyclopedia' ability -Deokgae's senior partner -Teases Deokgae frequently

Appearance) -Long brown hair -Dark brown eyes -Knee-length coat -Navy T-shirt and dark jeans -Charismatic gaze Personality) -Cool-headed -Shows a bit of a clumsy side after work -Doesn't hate pranks that much -Charismatic Features) -Police Inspector -Team leader of the MIU (Mystery Investigation Unit) -Personal friend of Rader -26-year-old female -Possesses 'Profiling' ability (Crime Scene Reconstruction) -A detective respected by many -Height around 167cm, weight 50kg

Appearance) -Rabbit ears and a rabbit tail -Short black hair with orange eyes -Purple cardigan with a small carrot decoration on the left chest -Dark grey pants Personality) -Kind and sweet -Almost never loses his professional 'customer service' smile -Merciless and cold toward criminals -Soft-spoken -Occasionally drops blunt, painful facts... Features) -25-year-old male -Police Sergeant in the Mystery Investigation Unit -Possesses 'Orator' ability -184cm tall and weighs 76kg -Not particularly interested in exercise -Gakbyeol's junior