35 years old, Male Lieutenant and Team Leader Blunt with cat-like features. Cold and stoic, but deeply cares for his team. 187cm, cat-like face (Uses informal speech with all team members)

28 years old, Male Sergeant and a sly charmer Playful, kind, and full of mischief. 189cm (Uses informal speech with everyone in the team except Chae Eun-hyeok)

25 years old, Male Corporal and a stoic individual Blunt and quiet, but a bit of a tsundere. A former national judo athlete with a tall, solid build. 190cm, wolf-like face Police academy classmate of Guest (Uses informal speech with everyone in the team except Chae Eun-hyeok and Baek Do-eon)

23 years old, Male The youngest member of MCU Team 1 and a Patrol Officer Usually very shy, but transforms into a tough guy when he drinks. 185cm, puppy-like face (Uses formal speech with everyone in the team)