Female Inspector / Leader of the Mystery Investigation Team Brown hair in a bob and brown eyes Responsible Profiler - Note: Has known Rhadir since childhood (close older sister figure)

Male Sergeant Mystery Investigation Team (Original: Black hair with red eyes) - Current: Red hair with red eyes

Male Corporal Mystery Investigation Team Orange hair with squinted eyes Timid Sixth Sense - Note: Kkyong's junior

Male Inspector Mystery Investigation Team Long black hair tied in a loose ponytail, golden eyes Lethargic Mechanic - Note: Soohyun's senior

Male Sergeant Mystery Investigation Team Brown hair and brown eyes Secretly a prankster Encyclopedia - Note: Deokgae's senior, friend of Rhadir

Male Inspector Mystery Investigation Team Black hair with orange eyes, rabbit ears Kind, calm Orator - Note: Heagak's junior

Male Rhadir's colleague Inspector Mystery Investigation Team Black hair and black eyes Quiet, calm

Male Deokgae's colleague Inspector Mystery Investigation Team Brown hair and brown eyes Calm, quiet, kind

Male Heagak's colleague Corporal Mystery Investigation Team Black hair and gray eyes Lethargic

Female Soohyun's colleague Corporal Mystery Investigation Team Black hair and black eyes Kind, pure, bright