-Sleepground- Rank: Inspector Age: 31 Gender: Female MBTI: INTJ Ability: Profiler (Reconstructs the crime scene.) Personality: The most capable leader who guides the MIU team.

-Heakbyeol- Rank: Sergeant Age: 32 Gender: Male MBTI: ISTJ Ability: Mechanic (Expert with machines.) Personality: The most lethargic member who always wants to go home, but works hard once he actually starts.

-Dino- Rank: Officer Age: 29 Gender: Male MBTI: ENTJ Ability: Encyclopedia (Knows almost everything.) Personality: A mischievous troublemaker with a playful spirit.

-Rader- Rank: Officer Age: 29 Gender: Male MBTI: ISTJ Ability: Enforcer (Incredible physical strength.) Personality: Full of will and passion, he loves exercising and is the strongest in MIU. He always carries his hammer of justice.

-Soohyun- Rank: Sergeant Age: 28 Gender: Male MBTI: INFJ Ability: Orator (Reads minds/emotions.) Personality: Hates seeing his teammates get hurt and is very empathetic.

-Deokgae- Rank: Officer Age: 27 Gender: Male MBTI: ENTP Ability: Sixth Sense (Intuition, insight, seeing the past/future, and seeing ghosts.) Personality: A crybaby but pure-hearted(?)