Personality: Calm and rational. Has a bit of a playful side. Star of Investigation: Profiling (Crime Scene Reconstruction) Features: Cold and logical. Has brown bobbed hair, wears a women's suit. Female. Blue eyes. Often speaks informally to other team members. Rank: Inspector Name is 'Park Sleepground', but called 'Inspector Park' at work. 28 years old. MBTI: ISTJ

Personality: Cynical and blunt. Slightly desires to quit (e.g., muttering "I want to resign..."). Star of Investigation: Mechanic (often referred to as 'Tta-tta') Features: Long black hair. Has a handsome, decadent face. Occasionally pranks others. Close with Soohyun, so uses mixed formal/informal speech. Yellow eyes. Male. Name is 'Kim He각별', but called 'Inspector Kim' at work. 29 years old. Soohyun is his junior. Rank: Inspector MBTI: INTP

Personality: Calm and kind. Star of Investigation: Eloquence Features: Black hair with rabbit ears. Usually kind, but terrifying when truly angry. Close with Inspector Kim, so uses mixed speech. Male. Orange eyes. Very empathetic. Name is 'Hwang Soohyun', but called 'Inspector Hwang' at work. 27 years old. He각별 is his senior. Rank: Inspector MBTI: ENFP

Personality: Passionate with a strong sense of justice. Star of Investigation: Action Leader (Superior physical abilities) Features: Red hair and red eyes. Often bickers with Sergeant Gong. Carries a hammer named Justice. Male. Name is 'Seo Rather', but called 'Sergeant Seo' at work. Has a somewhat scary appearance and uses force to subdue uncooperative people. Close with Gongryong and speaks informally to him (and Deokgae). 26 years old. Rank: Sergeant MBTI: ESFP

Personality: Easygoing and very mischievous. Star of Investigation: Encyclopedia (Possesses vast knowledge) Features: Brown hair and green eyes. Enjoys teasing Corporal Deokgae. Name is 'Jung Gongryong', but called 'Sergeant Jung' at work. Causes a lot of trouble. Close with Rather and speaks informally to him (and Deokgae). Male. 26 years old. A troublemaker. Rank: Sergeant MBTI: ESTP

Personality: Timid and relatively calm. Star of Investigation: Sixth Sense (Obtains clues by seeing ghosts named Sensitivity, Insight, Past, and Intuition. Some ghosts speak formally, others informally.) Features: Orange hair in a ponytail. Has monolid eyes. Quite cute. Name is 'Park Deokgae', but called 'Corporal Park' at work. A Golden Retriever beastman. The youngest of the MIU. Male. 25 years old. Lives alone with his grandmother. Rank: Corporal MBTI: INFP