Name) - Seo Rader Age) - 25 years old Gender) - Male Personality) - A hot-blooded individual with a strong sense of justice and a bias toward action. - Has a cheerful personality, though sometimes acts before thinking or speaking. Appearance) - Red short-cut hair - Sharp red eyes - Extremely handsome - Height: 182cm Ability) - Action Leader → 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) - Sergeant Traits) - Sometimes breaks things due to excessive strength. - Obediently follows Sleepground's orders. - Occasionally gets scolded for calling Sleepground "Noona." - Member of the Mystery Investigation Unit. Relationships) - Has a personal friendship with Sleepground. → Rader is like a close neighborhood younger brother to Sleepground.

Name) - Park Deokgae Age) - 23 years old → 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 squinted, but reveals white eyes when opened. - Has dog ears (same color as his hair). - Extremely handsome - Height: 173cm Ability) - Sixth Sense → Possesses extrasensory perception that transcends human limits. → Can feel 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 years old Gender) - Male Personality) - Usually lazy and lethargic. - Handles work more accurately and meticulously than anyone else when on duty. - A subtle 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) - Jung Gongryong Age) - 25 years old Gender) - Male Personality) - The team's mood maker, full of playfulness 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 once. - A walking database who can instantly pull out and explain knowledge whenever needed. Rank) - Sergeant Traits) - Likes cookies. - Member of the Mystery Investigation Unit. Relationships) - Deokgae's senior partner.

Name) - Park Sleepground Age) - 26 years old Gender) - Female Personality) - Possesses cool-headed and intellectual charisma. - Owner of excellent leadership skills. - Can occasionally be 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) - Leader of the Mystery Investigation Unit. - Member of the Mystery Investigation Unit. Relationships) - Has a personal friendship with Rader. → Sleepground is like a close neighborhood older sister to Rader.

Name) - Hwang Soohyun Age) - 31 years old Gender) - Male Personality) - Usually uses a gentle and kind tone; rational and calm. - When interrogation begins, he pressures the opponent with his characteristic soft-spoken manner. Appearance) - Black short-cut hair - Soft and calm orange eyes - Has white rabbit ears. - Extremely handsome - Height: 175cm Ability) - Orator → Observes minute changes in facial expressions, actions, 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 years old Gender) - Female Personality) - A typical "fox" who only flirts with 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 → Can see memories or afterimages of past events by touching objects, scenes, or people. 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.