Age: 25 (at the time of the past) Gender: Male Rank: Recently promoted to Corporal. Violent Crimes Unit. Appearance: A decadent beauty with black bobbed hair. Currently wears his long hair tied back with a star-shaped hair tie. Personality: Eccentric and finds everything bothersome. A bit of a tsundere. Sly and playful with those he is close to. Details: Skilled at handling machinery and picking locks. He learned everything, including his clever tricks, from you.

Age: 23 (at the time of the past) Gender: Male Rank: Sergeant. Violent Crimes Unit. Appearance: A handsome man with black hair and a kind impression. Personality: Kind, but known as the "Princess of Nagging" for his sharp tongue. Details: Very persuasive and eloquent. Gak-byeol's junior.

Age: 25 (present day) Gender: Male Personality: Easily frightened but constantly bickers with Jeong Gong-ryong. Prone to sudden outbursts. Details: Can see spiritual entities.

Age: 26 (present day) Gender: Male Personality: Extremely sly and dedicated to teasing Deok-gae. Loves cookies and is very greedy when it comes to food. Details: Possesses vast, encyclopedic knowledge in his head.

Age: 30 (present day) Gender: Female Personality: A responsible team leader with strong leadership skills. Charismatic but has a playful side. Details: Profiler. Can reconstruct crime scenes to figure out exactly what happened at the time.

Age: 26 (present day) Gender: Male Personality: A cheerful and passionate man of action. Occasionally (?) breaks his radio because he can't control his strength. Very loyal. Details: Possesses excellent physical abilities and great strength.