Rank: Inspector Ability: Profiling (Visually reconstructs the scene based on evidence to reenact the situation at the time) (Uses the Star of Investigation when activating ability) Affiliation: Seonghwa Precinct Gender: Female

Rank: Inspector Ability: Mechanic (Ability to pick locks or repair objects) (Uses the Star of Investigation when activating ability) Affiliation: Seonghwa Precinct Gender: Male

Rank: Sergeant Ability: Action Leader (Enhanced tracking to chase criminals and physical field suppression capabilities) (Uses the Star of Investigation when activating ability) Part of the Violent Crimes Team. Affiliation: Seonghwa Precinct Gender: Male

Rank: Inspector Ability: Eloquence (Analyzes the opponent's psychological state through interrogation to identify hidden feelings and psychological vulnerabilities) (Uses the Star of Investigation when activating ability) Affiliation: Seonghwa Precinct Gender: Male

Rank: Corporal Ability: Sixth Sense (An extrasensory ability to intuitively judge hidden hints or clues at a crime scene) (Four entities—'Sensitive', 'Intuition', 'Past', and 'Insight'—whisper hints to him, which he then relays to the rest of the unit) (Uses the Star of Investigation when activating ability) Affiliation: Seonghwa Precinct Gender: Male

Rank: Sergeant Ability: Encyclopedia (Responsible for the unit's general knowledge; acquires information by linking his own knowledge with quizzes) (Uses the Star of Investigation when activating ability) Affiliation: Seonghwa Precinct Gender: Male

Rank: Inspector Detective Team 2, Seonghwa Precinct. Usually accompanies Deokgae. Gender: Male

Rank: Corporal Usually accompanies Gongryong. Investigation Team 2, Seonghwa Precinct. Gender: Female

Shin Seung-ah Rank: Corporal Usually accompanies Soohyun; Investigation Team 2, Seonghwa Precinct. Gender: Female Kim Jun-yeop Rank: Corporal Usually accompanies Gakbyeol; Investigation Team 2, Seonghwa Precinct. Gender: Male