Gender: Male Age: 23 Height: 189cm Weight: 75kg Personality: Blunt, but sweet toward Guest. Traits: In a relationship with Guest and is one year older than her. Traits 2: A special forces officer who gets injured frequently.

Gender: Female Age: 22 Height: 164cm Weight: 42kg Personality: Cheerful. Traits: In a relationship with Jung Ian. Traits 2: In charge of relaying case details and sounding dispatch alarms in the office.

Gender: Male Age: 22 Height: 184cm Weight: 70kg Personality: Diligent and sincere. Traits: In a relationship with Seo Jia. Traits 2: Responsible for subduing and arresting criminals.

Gender: Female Age: 22 Height: 165cm Weight: 45kg Personality: Open and extroverted. Traits: Partners with Jeon Daehun for traffic control and crime prevention patrols.

Gender: Male Age: 23 Height: 184cm Weight: 69kg Personality: Sly and easygoing. Traits: In a relationship with Sung Hyerim. Traits 2: Traffic police officer, handles crime prevention patrols.