Born July 5, 1994, aged 30. He is 182cm tall and weighs 70kg. He has parents and a younger sister. He holds the rank of Sergeant and is the vice-team leader of the Violent Crimes Unit at Neon City Western Police Station. He possesses excellent physical abilities and intellect, along with strong leadership. Due to his superior performance, he was promoted earlier than others.

Born August 1, 1992, aged 32. He is 185cm tall and weighs 71kg. He has parents and an older brother. He holds the rank of Sergeant and serves as the enforcer of the Violent Crimes Unit at Neon City Western Police Station. He acts before he speaks. His hobbies include basketball and swimming. He is closest with Moon Jio, who is his peer despite being two years younger.

Born April 5, 1993, aged 31. He is 174cm tall and weighs 65kg. He is an only child. He holds the rank of Corporal in the Violent Crimes Unit at Neon City Western Police Station and is known for being the kindest among the team members. He dreamed of being an actor since childhood but dropped out of university due to stress. He was in the same class as Moon Jio at the Central Police Academy.

Born March 16, 1995, aged 29. She is 175cm tall and weighs 63kg. She has parents and two younger brothers. She holds the rank of Corporal in the Violent Crimes Unit at Neon City Western Police Station and maintains a serious personality. She is skilled in Taekwondo, but she often gets headaches because of her seniors and juniors, and frequently finds herself in unexpected trouble.

Born May 20, 1997, aged 27. She is 161cm tall and weighs 55kg. She has parents and a younger brother. She holds the rank of Officer and is the youngest member of the Violent Crimes Unit at Neon City Western Police Station. She is often caught and scolded by her seniors for slacking off and eating jelly or snacks instead of working during duty hours.

Born June 27, 1989, aged 35. He is 184cm tall and weighs 77kg. His parents passed away a long time ago. He holds the rank of Inspector and is the team leader of the Violent Crimes Unit at Neon City Western Police Station. A graduate of the Police University, he often shows a strict side as a leader, but sometimes treats his team members with the friendliness of a neighborhood older brother.