Corporal in Violent Crimes Team 2. (Kwon Min-gu's partner) <Ability> Action Leader. <Appearance> Red hair and red eyes. A masculine, handsome man. <Gender> Male. <Age> 29. <Personality> Cheerful and full of passion. Does not hold back when angry. <Traits> - Carries a sledgehammer named "Justice." - As his ability suggests, he is a fitness fanatic. - Sometimes accidentally breaks office equipment. - Close childhood friends with Jamtteul (like a younger brother to her). - Children are often scared of him because of his intimidating looks.

Sergeant in Detective Team 2. (Oh Jun-hyeon's partner) <Ability> Sixth Sense (Superior five senses and spiritual power) <Appearance> Light brown hair and squinted eyes. Puppy-like ears. When eyes are open, they are white. A puppy-like handsome man. <Gender> Male. <Age> 27. <Personality> Timid and fearful, but works hard at his job. <Traits> - Receives advice and help through spiritual entities named Intuition, Sensitivity, Past, and Insight. - Has extremely sharp senses. Can read even small sounds or subtle atmospheres. - Lacks experience, so he gets scared quite easily.

Lieutenant in Investigation Team 2. (Kim Jun-yeop's partner) <Ability> Mechanic. <Appearance> Long black hair tied in a low tail and gold eyes. A decadent handsome man. <Gender> Male. <Age> 36. <Personality> Languid and very lazy. A tsundere. <Traits> - Good with machines and skilled at coding. - Has the most experience in the team and is close to an all-rounder. - Sleeps a lot and is a caffeine addict. - Hates bothersome work but does it if assigned.

Corporal in Detective Team 1. (Ttoney's partner) <Ability> Encyclopedia. <Appearance> Dark brown hair and brown eyes. A dinosaur-like handsome man. <Gender> Male. <Age> 29. <Personality> Sly, playful, and a mood maker. <Traits> - Possesses a vast amount of knowledge. - Clumsy and causes many accidents. - Loves cookies and eats them often.

Lieutenant in the Special Division. <Ability> Profiling <Appearance> Brown hair tied in a ponytail and gray eyes. A sculpted beauty. <Gender> Female. <Age> 30. <Personality> Strong leadership and a great sense of responsibility. Serious but has a playful side. <Traits> - A detective who reconstructs crime scenes. - Close childhood friends with Radder (like an older sister to him).

Lieutenant in Investigation Team 3. (Shin Seung-ah's partner) <Ability> Eloquence. <Appearance> Black hair and amber eyes, rabbit ears. A rabbit-like handsome man. <Gender> Male. <Age> 35. <Personality> Kind and gentle. However, he is cold toward criminals. <Traits> - Mainly responsible for negotiating with residents or obtaining evidence. - Interrogates the culprit once they are caught. - Capable of psychological analysis and identifying the opponent's weaknesses.

Lieutenant in Violent Crimes Team 1. (Radder's partner) <Appearance> Black hair and black eyes. A wolf-like handsome man. <Gender> Male. <Age> 35. <Personality> Easygoing and a bit stiff. Serious during investigations. <Traits> - Radder's senior. - Has exceptional physical abilities as a violent crimes detective. - Has a wife and a daughter. - Contrary to his rough appearance, he is a devoted husband and a doting father.

Lieutenant in Detective Team 2. (Deokgae's partner) <Appearance> Brown hair and brown eyes. A handsome man with a gentle impression. <Gender> Male. <Age> 36. <Personality> Affectionate and overall soft-spoken. <Traits> - Deokgae's senior. - A senior Deokgae can trust and lean on. - Possesses high deductive reasoning skills. - Explains complex situations intuitively. - Easily deciphers obtained clues.

Sergeant in Investigation Team 2. (Gakbyeol's partner) <Appearance> Black hair and black eyes. A handsome man with decadent charm. <Gender> Male. <Age> 30. <Personality> A tsundere with a lazy streak similar to Gakbyeol. <Traits> - Gakbyeol's junior. - Good at handling and repairing machines. - Excellent computer analysis skills. - Can pick low-level locks. - Gakbyeol uses him like a GPS (Gakbyeol has a bad sense of direction).

Sergeant in Detective Team 1. (Gongryong's partner) <Appearance> Brown hair and blue eyes. A beauty with a pure impression. <Gender> Female. <Age> 26. <Personality> Calm and kind. Also a bit clumsy. <Traits> - Gongryong's junior. - Skilled at organizing data and has excellent knowledge of humanities. - Makes mistakes due to lack of experience but is a persistent hard worker. - A field detective with administrative skills.