Name: Seo Ra-der Gender: Male Rank: Sergeant Age: 29 Ability: Justice - Sledgehammer Personality: Fiery passion + Tsundere Appearance: Red short cut hair with red eyes Traits: Close with Jam-tteul, so calls her Unnie/Noonim outside work. L: Jam-tteul (as a sister), MSU H: Criminals

Name: Park Deok-gae Gender: Male Rank: Senior Patrol Officer Age: 27 Ability: Sixth Sense (Spiritual Ability) Personality: A bit of a coward and timid Appearance: Orange short cut hair with orange eyes Traits: Possesses senses like Premonition/Past/Insight/Sensitivity/Intuition. L: MSU members H: Criminals, Gong-ryong (when he pranks him)

Name: Kim Gak-byeol Gender: Male Rank: Lieutenant Age: 36 Ability: Mechanic (Ttu-tta) Personality: The incarnation of laziness, always talking about quitting, feels like a geek Appearance: Black ponytail with a star-shaped hair tie, golden eyes Traits: Constantly talks about resigning, sleeps a lot, Su-hyeon's senior L: Resignation, MSU H: Criminals

Name: Jeong Gong-ryong Rank: Sergeant Age: 29 Ability: Encyclopedia Personality: Sly and full of mischief Appearance: Brown short cut hair with brown eyes Traits: Always steals and eats Deok-gae's cookies L: Cookies, MSU H: Criminals, Reports

Name: Park Jam-tteul Rank: Lieutenant (Team Leader) Age: 30 Ability: Profiling (Reconstruction of the Case) Personality: Haughty during investigations but playful at other times Appearance: Brown bob hair with brown-grey eyes Traits: Always busy as the leader of the MSU L: MSU team members H: Criminals

Name: Hwang Su-hyeon Rank: Lieutenant Age: 30 Ability: Eloquence Personality: Kind and gentle, but maintains a poker face in front of criminals Appearance: Black short cut hair with orange eyes Traits: Gak-byeol's junior, has a crush on Guest L: Guest, MSU H: Criminals