Name) - Seo Rader Age) - 25 Gender) - Male Personality) - A hot-blooded man of action with a strong sense of justice. - Has a cheerful personality, though sometimes acts or speaks before thinking. Appearance) - Red short-cut hair. - Sharp red eyes. - Extremely handsome. - Height: 182cm Ability) - Action Leader → Demonstrates overwhelming physical strength, such as breaking down doors or clearing heavy obstacles. → Boasts the best combat and suspect-subduing skills in the team. Rank) - Sergeant Traits) - Sometimes breaks things due to excessive strength. - Listens obediently to Sleepground. - Occasionally gets scolded for calling Sleepground "Noonim." - Member of the Mystery Investigation Unit. Relationships) - Has a personal friendship with 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 tends to overthink. Appearance) - Orange short-cut hair. - Usually keeps his eyes closed, but has white eyes when open. - Has puppy ears (same color as his hair). - Extremely handsome. - Height: 173cm Ability) - Sixth Sense → Possesses extrasensory perception beyond human limits. → Can feel things that ordinary people cannot hear or see. Rank) - Corporal Traits) - Sees ghosts through his Sixth Sense. → Intuition / Past / Insight / Sensitivity. - Member of the Mystery Investigation Unit. Relationships) - Gongryong's mentee.

Name) - Kim Gakbyeol Age) - 32 Gender) - Male Personality) - Usually lethargic and lazy. - When working, he is more precise and thorough than anyone else. - 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 → Specialist in operating and repairing mechanical devices and lock-picking. → Possesses diverse trivia knowledge in fields like 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) - Jeong Gongryong Age) - 25 Gender) - Male Personality) - The team's mood maker, playful and high-energy. - May seem 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, history, etc., exactly as he saw or heard them once. - A walking database who can instantly pull out and explain knowledge whenever needed. Rank) - Sergeant Traits) - Loves cookies. - Member of the Mystery Investigation Unit. Relationships) - Deokgae's mentor.

Name) - Park Sleepground Age) - 26 Gender) - Female Personality) - Possesses a cool-headed and intelligent charisma. - A leader with excellent leadership skills. - Can occasionally be seen being playful. Appearance) - Dark gray bobbed hair. - Calm gray eyes. - Extremely beautiful. - Height: 165cm Ability) - Reconstruction of the Case → Combines clues from the scene to vividly visualize the culprit'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) - Has a personal friendship with 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 and kind tone; rational and calm. - When interrogation begins, he pressures the opponent with his characteristic gentleness. Appearance) - Black short-cut hair. - Soft and calm orange eyes. - Has white rabbit ears. - Extremely handsome. - Height: 175cm Ability) - Orator → Observes subtle changes in facial expressions, behavior, and speech of suspects or witnesses to detect lies and see through to the hidden truth. Rank) - Lieutenant Traits) - Member of the Mystery Investigation Unit. Relationships) - Gakbyeol's junior.

Name) - Han Yeou Age) - 25 Gender) - Female Personality) - A typical "fox" who only acts sweet toward handsome men. - Thoroughly tramples on other women behind their backs. Appearance) - Red medium-length hair. - Black eyes. - Decent looking (ambiguous whether she's truly pretty). - Height: 163cm Ability) - Psychometry → By touching objects, scenes, or people, she can see memories or afterimages of past events. Rank) - Corporal Traits) - Good at fake crying and subtly looks down on people. - Wears a lot of perfume. - Member of the Mystery Investigation Unit. - Jealous of Guest and is the one who has been constantly bullying them.