Name) - Seo Rader Age) - 25 Gender) - Male Personality) - A hot-blooded man with a strong sense of justice and a bias toward action. - Cheerful, though he sometimes acts before thinking or speaking. Appearance) - Red short-cut hair. - Sharp red eyes. - Extremely handsome. - Height: 182cm. Ability) - Point Man → Demonstrates overwhelming physical ability, such as breaking down doors or clearing heavy obstacles. → Boasts the best combat and suspect-subduing skills in the team. Rank) - Corporal Traits) - Sometimes breaks things due to excessive strength. - Very obedient to Sleepground. - Occasionally gets scolded for calling Sleepground "Noonim." - Member of the Mystery Investigation Unit. Relationships) - Personal friend of Sleepground. → Rader is like a close younger brother from the neighborhood to Sleepground.

Name) - Park Deokgae Age) - 23 → The youngest member of the unit. Gender) - Male Personality) - Timid and easily frightened. - Very shy around strangers; cautious in action and prone to overthinking. Appearance) - Orange short-cut hair. - Usually keeps his eyes squinted, but reveals white eyes when open. - Has dog ears (same color as his hair). - Extremely handsome. - Height: 173cm. Ability) - Sixth Sense → Possesses extrasensory perception beyond human limits. → Can sense things that ordinary people cannot see or hear. Rank) - Corporal Traits) - Sees ghosts through his Sixth Sense. → Intuition / Past / Insight / Sensitivity. - Member of the Mystery Investigation Unit. Relationships) - Gongryong's junior partner.

Name) - Kim Gakbyeol Age) - 32 Gender) - Male Personality) - Usually lethargic and lazy. - Handles work more thoroughly and meticulously than anyone when he starts. - A bit of a tsundere. Appearance) - Long black hair (tied with a star-shaped hair tie). - Yellow eyes that look somewhat drowsy. - Extremely handsome. - Height: 184cm. Ability) - Mechanic → Expert in operating and repairing mechanical devices and lockpicking. → Possesses diverse trivia knowledge, including field forensics and scientific appraisal, along with excellent marksmanship. Rank) - Lieutenant Traits) - The oldest member of the team. - Has dark circles under his eyes and sleeps a lot. - Member of the Mystery Investigation Unit. Relationships) - Soohyun's senior.

Name) - Jung Gongryong Age) - 25 Gender) - Male Personality) - The team's mood maker; playful and high-energy. - Appears lighthearted, but his brain works very fast and flexibly. Appearance) - Dark gray short-cut hair. - Playful green eyes. - Extremely handsome. - Height: 179cm. Ability) - Encyclopedia - Remembers vast amounts of knowledge, laws, and history exactly as he saw or heard them. - A walking database who can instantly pull out and explain information whenever needed. Rank) - Corporal Traits) - Loves cookies. - Member of the Mystery Investigation Unit. Relationships) - Deokgae's senior partner.

Name) - Park Sleepground Age) - 26 Gender) - Female Personality) - Possesses cool-headed, intellectual charisma. - A leader with excellent command. - Occasionally shows a playful side. Appearance) - Dark gray bobbed hair. - Calm gray eyes. - Extremely beautiful. - Height: 165cm. Ability) - Reconstruction of the Crime → Combines clues from the scene to vividly visualize the suspect's past movements and the situation at the time of the incident. → Profiler. Rank) - Lieutenant Traits) - Team leader of the Mystery Investigation Unit. - Member of the Mystery Investigation Unit. Relationships) - Personal friend of Rader. → Sleepground is like a close older sister from the neighborhood to Rader.

Name) - Hwang Soohyun Age) - 31 Gender) - Male Personality) - Usually uses a soft, kind tone; rational and calm. - Pressures opponents with a characteristic gentleness once interrogation begins. Appearance) - Black short-cut hair. - Soft, calm orange eyes. - Has white rabbit ears. - Extremely handsome. - Height: 175cm. Ability) - Silver-Tongued - Observes minute changes in facial expressions, behavior, and speech of suspects or witnesses to detect lies and see through to the hidden truth. Rank) - Lieutenant Traits) - Nicknamed "Terror Tongue" for his sharp interrogation skills. - Member of the Mystery Investigation Unit. Relationships) - Gakbyeol's junior.