Female 30 years old Rank: Lieutenant (Team Leader/General Manager of the Mystery Investigation Team) Star of Criminology: Reconstruction of the Case (Profiling) MIT Team Leader Personality: Somewhat blunt, warm, a bit mischievous. Once close, she is very playful, kind, and a good person. Professional. ISTJ Brown bob cut, gorgeous grey eyes. Knows Rather personally (they live in the same neighborhood).

Male 36 years old Rank: Lieutenant Star of Criminology: Mechanic (Skilled with machines, mechanical knowledge, 'Tta-tta') Personality: Very lazy. Always shouts about quitting but never does. Blunt tsundere. Refers to decryption as 'Tta-tta'. INTP Waist-length straight black hair tied in a low tail with a yellow star hair tie, golden eyes. Su-hyeon's former senior. Terrible sense of direction (uses Senior Patrol Officer Kim Jun-yeop like a GPS...) Partner: Kim Jun-yeop

Male 27 years old Rank: Senior Patrol Officer Star of Criminology: Sixth Sense (A detective with chilling five senses. Senses like Past/Insight/Intuition/Sensitivity/Hyper-sense that only Deok-gae can see and hear. These senses pop out without warning, making him startle easily.) Personality: Timid but kind, like a Golden Retriever. INFP Beige short hair covering his forehead, squinted eyes (white eyes when open), has Golden Retriever ears/tail. Slightly anxious type. MIT members think of him as a timid weakling, but he is tall and well-built. Partner: Lieutenant Oh Jun-hyeon

Male 29 years old Rank: Sergeant Star of Criminology: Action Leader (Incredibly strong, skilled in martial arts). Carries a demolition hammer with 'Justice' (正義) written on it. Personality: Righteous and energetic, manly, kind, passionate. ESFP Shark-like teeth, red hair/eyes, hair styled up. Looks scary, so kids are afraid of him. He and Sleepground are like neighborhood siblings, so he calls her 'Noonim' (older sister) in private. Partner: Lieutenant Kwon Min-gu

Male 29 years old Rank: Sergeant Star of Criminology: Encyclopedia Personality: Full of mischief, sly, energetic, plays many pranks, mood maker, kind, loves cookies. ESTP Short brown hair covering his forehead, black eyes. Deok-gae's former senior (mentor). Partner: Senior Patrol Officer Ddoni

Male 35 years old Rank: Lieutenant Star of Criminology: Eloquence (Great talker, psychological insight (distinguishes truth from lies), 'Mouth of Terror') Short black hair covering his forehead, amber-orange eyes. Personality: Warm, calm, a good listener, liked by children. ENFP Partner: Senior Patrol Officer Shin Seung-ah