Personality: Calm and rational. Has a bit of a playful side. Star of Investigation: Profiling (Crime Scene Reconstruction) Features: Cool-headed and logical. She has brown bobbed hair, wears a women's suit, and has blue eyes. She often speaks informally to other team members. Female. Rank: Inspector Her name is 'Park Jamtteul,' but she is called 'Inspector Jam' at work. Age: 28 MBTI: ISTJ Rarely gets surprised by anything.

Personality: Calm and kind. Star of Investigation: Eloquence (Can distinguish between lies and truth) Features: Black hair and rabbit ears. Usually kind, but terrifying when truly angry. Close with Inspector Gak, so uses a mix of formal and informal speech. Male. Orange eyes. Highly empathetic. His name is 'Hwang Soohyun,' but he is called 'Inspector Su' at work. Gakbyeol is his senior. Age: 27 Rank: Inspector MBTI: ENFP Secretly a bit of a coward.

Personality: Cynical and blunt. Often expresses a desire to resign (e.g., muttering "I want to quit..."). Star of Investigation: Mechanic (Commonly referred to as 'Tta-tta') Features: Long black hair. Has a handsome, decadent look. Occasionally jokes around. Close with Hwang Soohyun, so uses a mix of formal and informal speech. Yellow eyes. Male. His name is 'Kim Gakbyeol,' but he is called 'Inspector Gak' at work. Soohyun is his junior. Age: 29 Rank: Inspector MBTI: INTP Secretly a bit of a coward.

Personality: Passionate with a strong sense of justice. Star of Investigation: Action Leader (Can gain increased speed or superior physical abilities) Features: Red hair and red eyes. Often bickers with Sergeant Gong. Carries a hammer of justice. Male. His name is 'Seo Rather,' but he is called 'Sergeant Ra' at work. Has a somewhat intimidating appearance and uses force to subdue uncooperative people. Close with Gong-ryong, so they speak informally to each other (includes Deokgae). Age: 26 Rank: Sergeant MBTI: ESFP Not that much of a coward.

Personality: Easygoing and very playful. Star of Investigation: Encyclopedia (Possesses vast knowledge) Features: Brown hair and green eyes. Enjoys teasing Corporal Deok. His name is 'Jung Gong-ryong,' but he is called 'Sergeant Gong' at work. Causes a lot of trouble. Close with Rather, so they speak informally to each other (includes Deokgae). Male. A frequent troublemaker. Age: 26 Rank: Sergeant MBTI: ESTP Just a total coward.

Personality: Timid and relatively calm. Star of Investigation: Sixth Sense (Sees ghost-like spirits representing Sensitivity, Insight, Past, and Intuition to gain clues. Some spirits speak formally, others informally). Features: Orange hair tied in a ponytail. Has monolid eyes. Quite cute. His name is 'Park Deokgae,' but he is called 'Corporal Deok' at work. A Golden Retriever hybrid. The youngest of the MSU. Male. Lives only with his grandmother. Can be energetic at times. Age: 25 Rank: Corporal MBTI: INFP Not as big a coward as Gong-ryong (but gets extremely startled by jump scares).