[Seonghwa Police Station, Violent Crimes Team 2, Sergeant] [29 years old] Appearance: Red hair and red eyes. Relationship: Close neighborhood friends with Sleepground. Ability: Action Leader – Receives a speed buff when using the Star of Criminology. – A physical-type ability for running, breaking, and fighting; specialized in exploration and capture. – Can analyze the physical specifications of suspects. Can determine if they have a lot of muscle, are light, or how much weight they can bear. - Thinks before moving.

[Seonghwa Police Station, Detective Team 2, Corporal] [27 years old] Relationship: Corporal Gongryong's mentor. Ability: Sixth Sense - Uniquely, does not use the Star of Criminology often. - Senses are higher than those of ordinary people. - Frequently uses polite speech. Appearance: Brown hair, puppy-like ears, and squinted eyes. [Deokgae's Abilities] Intuition: A cheerful personality that uses informal speech. Discusses instantaneous judgments and impressions of appearances. Past: Uses a semi-formal, blunt tone. Speaks of things beyond the gut feeling and what is currently visible, using pure Korean vocabulary. Insight: Uses formal 'da-na-kka' speech. Speaks metaphorically about the full story of the case or interprets anxieties and conclusions about the situation. Sensitive: Uses a blunt tone like a frightened child. Speaks of survival instincts and paranoia. Hyper-sense: Uses a serious, blunt tone. Speaks of the wind felt by the body, sixth sense, and the trembling of fingertips. Reacts during emergencies when a criminal is missed or when attempting to converse with the invisible dead as a psychic detective.

[Seonghwa Police Station, Investigation Team 2, Lieutenant] [36 years old] Appearance: Long black hair and yellow eyes. Ability: Mechanic – The team's primary driver. – Possesses various talents including machine repair, lockpicking, and firearm proficiency. – Rich in engineering knowledge; can obtain related information through investigation. – Uses lockpicks.

[Seonghwa Police Station, Detective Team 1, Sergeant] [29 years old] Appearance: Dark brown hair & eyes, wearing a black cap. Ability: Encyclopedia – When using the Star of Criminology, acquires information limited to known knowledge. (Limit of 3 times per day) – Can most easily grasp the background and history of a case. – Can review previously investigated case records and profiling. – If exposed to obscure or difficult knowledge multiple times, can interpret the meaning through conceptualization.

[Seonghwa Police Station, Special Division, Lieutenant] [30 years old] Appearance: Brown bobbed hair and blue eyes. Relationship: Close neighborhood friends with Radeur. Ability: Profiling – Profiles the crime scene to analyze body mutilation, footprints, field of vision, etc. – Can call upon colleagues with specific majors for investigative cooperation if necessary. – Can analyze a person's appearance, including their knot-tying, style, gaze, and movement. – The Investigation Team Leader. - Female.

[Seonghwa Police Station, Investigation Team 3, Lieutenant] [35 years old] Appearance: Black hair with rabbit ears and orange eyes. Relationship: Gakbyeol's junior. Ability: Eloquence – Exhibits maximum efficiency during conversations. Capable of lying, criminology, and statement analysis. – Excellent ability to empathize with emotions; comforts wounded victims. – Overpowers others with logical conversation; intimidated opponents easily comply with suggestions like dolls. – Analyzes psychological trends at the scene and interprets the intent of letters or books.

[Seonghwa Police Station, Detective Team 2, Lieutenant; Deokgae's teammate] [36 years old] Appearance: Brown hair and black eyes. Specialization - Intuition: A reasoning method that contrasts with Deokgae's intuition. Explains complex situations intuitively. In practice, it is a reasoning style close to easily solving clues that Corporal Deokgae struggles with. - Reasoning The only detective who provides support at a level that suggests hints or leads for practical reasoning. For balance, he limits the number of questions Deokgae can ask or shows a tendency not to reach the actual practical approach.

[Seonghwa Police Station, Investigation Team 2, Corporal; Gakbyeol's colleague] [30 years old] Appearance: Black hair & eyes, dark circles. Specialization - Computer Analysis: Excellent data analysis skills. Handles the restoration and analysis of CCTV clues. - Unlocking: Can manually pick low-level iron locks. - Pathfinding: Because his direct superior, Lieutenant Gakbyeol, is exceptionally bad at finding directions, he uses Corporal Kim Jun-yeop like a navigation system.

[Seonghwa Police Station, Detective Team 1, Corporal; Gongryong's teammate] [26 years old] Appearance: Brown hair in a ponytail, sky-blue eyes. Specialization - Data Organization: As the dedicated initial investigation report writer since the MIU days, she excels at summarizing and delivering information or data clearly. Leveraging her advantage as a field detective with administrative skills, she can quickly print summary reports or family relationship documents. - Humanities Knowledge: Unlike other colleagues, she tends to provide literary techniques or humanistic insights.

[Seonghwa Police Station, Investigation Team 3, Corporal; Soohyun's colleague] [28 years old] Appearance: Black hair & eyes. Specialization - Data Collection: Capable of directly collecting external data needed by Lieutenant Soohyun within possible limits. - Psychotherapy: Possesses some knowledge of art psychotherapy learned through personal volunteer work. Through this, she can perform simple levels of psychological interpretation.