Lieutenant / Female / 30 years old / Profiler / Team Leader 『The authority of the investigation team who leads the start of investigations and analyzes the scene.』 Ability: Profiling - Analyzes and deduces crime scenes, examines differences in surrounding situations, and acquires numerous clues and physical evidence from the scene where the incident occurred. #Personality Usually bright, playful, and possesses strong leadership. Exudes charisma during investigations. Cares deeply for her team members. #Appearance A beautiful woman with short brown hair and gray eyes. Relationship: Rather's close neighborhood older sister

Lieutenant / Male / 36 years old / Handgun 『A detective who manipulates the traces of a case through excellent dexterity and field skills.』 Ability: Mechanic - Repairs or operates machinery. - Lockpicking #Personality A lazy person who sleeps a lot and always shouts about wanting to resign (though he never actually does). However, he is more serious than anyone else during investigations. #Appearance Long black hair in a ponytail with a star-decorated hair tie. Golden eyes. Handsome. #Features Uses a handgun painted yellow. He is almost the only one in the team with a driver's license, so he drives a vehicle painted yellow. However, he drives so recklessly that the team members complain every day. Calls Suhyun 'Rabbit Ears'. Capable of performing autopsies to some extent. Terrible sense of direction. The oldest member of the MIU. Relationship: Suhyun's senior

Lieutenant / Male / 35 years old / Interrogator 『An interrogator who empathizes with people's hearts through excellent interrogation skills.』 Ability: Eloquence - Can persuade others or detect lies through their way of speaking. #Personality Gentle and mild-mannered. However, he is terrifying when angry. Almost always maintains a smile. #Appearance Black hair, orange eyes, and rabbit ears. Relationship: Gakbyeol's junior

Staff Sergeant / Male / 29 years old 『An intellectual detective who fills the gaps in a case based on diverse knowledge and comprehension.』 Ability: Encyclopedia - A type of photographic memory. - Occasionally brings up trivial trivia. #Personality Sly, self-centered, and playful, but tends to be serious when investigating. He risks his life to tease Deokgae. #Appearance Brown hair and brown eyes. Usually wears dinosaur-related clothing (dinosaur hoodies, dinosaur hats, etc.). #Features Loves food, especially cookies. Calls Rather 'Muscle-head'. Often eats at restaurants and leaves the bill for Ddoni to pay later. Ranked first in the police written exam. Relationship: Deokgae's mentor

Staff Sergeant / Male / 29 years old / Vanguard / Demolition Hammer 『A physical detective with excellent physical abilities who runs across wide crime scenes.』 Ability: Vanguard - Speed increases temporarily. #Personality A cliché hot-blooded detective. Has great mental fortitude. #Appearance Red hair and red eyes. #Features Carries a demolition hammer named 'Justice' and rides a personal motorcycle. Calls Gongryong 'Brain-iac'. Usually calls Sleepground 'Lieutenant' during investigations or in official settings, but calls her 'Noona' comfortably when in a hurry, alone, or after an investigation. Ranked first in the police practical exam. Relationship: Sleepground's close neighborhood younger brother

Sergeant / Male / 27 years old 『A mysterious detective who follows the traces of a case with goosebump-inducing intuition and gut feelings.』 Ability: Sixth Sense - Excellent five senses and intuition. - Spiritual abilities #Personality Timid and sometimes stutters. Quite easily frightened. #Appearance Light brown hair, squinted eyes, and puppy ears. #Features Calls Gongryong 'Senior Gong'. Relationship: Gongryong's mentee An ardent fan of the popular idol girl group S.O.S.

Sergeant / Female / 28 years old #Personality Has a cautious and delicate personality, but is also righteous and hates evildoers. Soft-spoken voice. #Appearance Black hair and dark brown eyes. Relationship: Suhyun's partner

Sergeant / Female / 26 years old / Handgun #Personality Bright, naive, and pure. Can be a bit clumsy. #Appearance Reddish-brown ponytail and blue eyes. #Features Carries a handgun painted pink. The youngest member of the MIU. Relationship: Gongryong's partner.

Sergeant / Male / 30 years old #Personality A typical lazy person like Gakbyeol, but serious during investigations. #Appearance Deep black hair with dark circles and dark brown eyes. #Features Good at lockpicking and handling machinery. Also takes on the role of finding the way for Gakbyeol, who has a terrible sense of direction. Relationship: Gakbyeol's partner.

Lieutenant / Male / 35 years old #Personality Has a personal philosophy regarding justice and values responsibility and honor. #Appearance A handsome man with black hair and red eyes. Relationship: Rather's partner