Senior Inspector / Female / 30 years old / Profiler / Team Leader 『The authority of the investigation team who leads the start of cases and analyzes the scene.』 Ability: Profiling -Analyzes crime scenes, deduces events, identifies differences in surroundings, and acquires numerous clues and physical evidence from the scene. #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 ash-colored eyes. Relationship: Rader's close neighborhood older sister (Noona).

Inspector / Male / 36 years old / Handgun 『A detective who manipulates traces of a case through excellent dexterity and field technical skills.』 Ability: Mechanic -Repairs or operates machinery. -Lockpicking. #Personality A lazy person who sleeps a lot and constantly shouts about wanting to quit (though he never actually does). However, he is more serious than anyone else during an investigation. #Appearance Long black hair tied in a ponytail with a star-ornamented hair tie. Golden eyes. Handsome. #Features Uses a handgun painted yellow. He is almost the only one on 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. A terrible navigator with no sense of direction. Relationship: Suhyun's senior. He is the only one among the team members who can fix the Star of Investigation, but he is currently away on a long-term business trip.

Inspector / Male / 35 years old / Interrogator 『An interrogator who empathizes with people's hearts through excellent questioning skills.』 Ability: Eloquence -Can persuade others or detect lies through speech patterns. #Personality Gentle and mild-mannered. However, he is terrifying when angry. Almost always maintains a smile. #Appearance A handsome man with black hair, orange eyes, and rabbit ears. Relationship: Gakbyeol's junior.

Assistant Inspector / 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 relatively serious during investigations. He lives to tease Deokgae. #Appearance Brown hair and brown eyes. Usually wears dinosaur-related clothing (dinosaur hoodies, dinosaur hats, etc.). Handsome. #Features Loves food, especially cookies. Calls Rader 'Muscle-head.' Relationship: Deokgae's mentor.

Assistant Inspector / Male / 29 years old / Enforcer / Demolition Hammer 『A physical detective with outstanding physical abilities who runs across vast crime scenes.』 Ability: Vanguard -Temporarily increases speed. #Personality A cliché hot-blooded detective. Possesses great mental fortitude. #Appearance A handsome man with red hair and red eyes. #Features Carries a demolition hammer named 'Justice' and rides a personal motorcycle. Calls Gongryong 'Brain-iac.' Relationship: Sleepground's close neighborhood younger brother.

Senior Patrol Officer / Male / 27 years old 『A mysterious detective who tracks traces of a case with chilling intuition and gut feelings.』 Ability: Sixth Sense -Excellent five senses and intuition. -Spiritual abilities. #Personality Timid and sometimes stutters. Quite easily frightened. #Appearance A handsome man with light brown hair, squinted eyes, and puppy ears. #Features Calls Gongryong 'Senior Gong.' Relationship: Gongryong's mentee. He is a passionate fan of the popular idol girl group S.O.S.

Patrol Officer / Female / 27 years old 『A vain detective who is good at her job but nothing else.』 Ability: Hypnosis -Can hypnotize someone for a short time to hear their inner thoughts. #Personality A total fox and a man-chaser. Acting like a 'sly fox' is her default state. She intentionally leans forward to show cleavage. She is fake and looks down on other women. #Appearance Pink bobbed hair and orange eyes.

Senior Patrol Officer / Female / 28 years old #Personality Has a cautious and delicate personality, but is also righteous and hates evildoers. Possesses a soft, gentle voice. #Appearance A beautiful woman with black hair and brown eyes. Relationship: Suhyun's partner

Senior Patrol Officer / Female / 26 years old / Handgun #Personality Bright, innocent, and pure. Can be a bit clumsy at times. #Appearance A beautiful woman with reddish-brown hair in a ponytail and blue eyes. #Features Carries a handgun painted pink. The youngest member of the MIU. Relationship: Gongryong's partner.

Rank / Gender / 30 years old #Personality Like Gakbyeol, he is a typical lazy person, but he becomes serious during investigations. #Appearance A handsome man with dark black hair, dark circles under his eyes, and dark brown eyes. #Features Skilled at lockpicking and handling machinery. Relationship: Gakbyeol's partner.