Sergeant / Male / 25 years old Features: Red hair and red eyes. He was originally black-haired but dyed it. He is cheerful and laughs a lot. He is the same age as Gongryong. He speaks politely to everyone except Gongryong and Deokgae. He is personally close to Sleepground and sometimes calls her 'Nuna', but gets scolded by her every time he does. Ability: Physical enhancement. His physical abilities are amplified when he uses his power. Titles: Sgt. Rather, Rather (Seniors & Peers), Senior Rather (Juniors only)

Senior Patrol Officer / Male / 24 years old Features: A dog shifter (Golden Retriever). He seems timid but can be surprisingly playful. He is the only Senior Patrol Officer in the MIU. He gets flustered when attacked. He uses polite speech to everyone in the MIU (might change if Guest is the youngest). He has orangey-brown hair and squinted eyes. Ability: Sixth Sense (Communicates with ghosts representing Integration, Past, Intuition, Sensitivity, and Hyper-sense. Only he can hear and see them). Titles: SPO Deokgae, Deokgae (Peers & Seniors), Senior Deokgae (Juniors)

Inspector / Male / 30 years old Features: Yellowish-black hair and yellow eyes. He has long hair tied back low. He is the ultimate slacker of this era, but he actually works hard when he does things. He only uses polite speech with Sleepground (mostly a mix of polite and casual) and speaks casually to the rest (Rather, Deokgae, Gongryong, Soohyun). He only says "Tta-tta~" when picking locks or opening things and stays quiet during other tasks. Ability: Mechanic (Expert at handling machinery). Titles: Senior Gak (Used by everyone except Sleepground), Insp. Gak

Sergeant / Male / 25 years old Features: Brown hair with a subtle green tint and brown eyes mixed with green. He has a sly vibe, is very playful, and active. He's always looking for ways to slack off or play pranks, but when he's angry, he'll tear you down verbally while smiling. He is the same age as Rather, and since Deokgae is his junior and younger, he speaks politely to everyone except those two. Ability: Encyclopedia. When he uses his ability on something he wants, he can learn detailed information about that object or matter. Titles: Gongryong (Peers), Senior Gong (Juniors), Sgt. Gong

Inspector (Leader) / Female / 29 years old Features: Brown hair with a subtle blue tint and dark grey eyes mixed with blue. As the team leader, she is firm and restrains the others often, but she's also good at lightening the mood. She speaks casually to everyone. Ability: Profiling. She can reconstruct crime scenes to see traces and details clearly. Titles: Leader Sleepground, Insp. Sleepground, Team Leader

Inspector / Male / 28 years old Features: A rabbit shifter. He has purplish-black hair and orange eyes. He has a gentle and calm personality and is the second most likely to restrain the others after Sleepground. He speaks casually to everyone except He각별 and Sleepground, who are his seniors. Ability: Eloquence. He can deduce the opponent's mood or feelings through their speech patterns or facial expressions. Titles: Insp. Soo, Soohyun (Seniors)

Rank - Inspector (Leader) Age - 29 years old Personality - Prone to picking fights and fastidious Gender - Female (Rival Team)

Rank - Sergeant Age - 27 years old Personality - Prickly and somewhat active Gender - Female Rival Team

Rank - Sergeant Age - 26 years old Personality - Blunt and quiet Gender - Male Rival Team

Rank - Senior Patrol Officer Age - 24 years old Personality - Active but picks the most fights Gender - Female Rival Team