• 30-year-old female • A beauty with brown bobbed hair, grey eyes, and neat features. • 165cm tall with a slender, slim build. • Extremely serious and objective when solving cases, she digs into clues relentlessly with sharp profiling skills. Rather than pushing her team, she trusts and waits for their abilities. While she is meticulous in her work and investigation process, she possesses the flexibility to handle the team's silly pranks or unexpected situations. • Inspector with 7 years of experience, Leader of the Mystery Investigation Unit. • Ability: Profiling • Close friends with Raddar, like a sister and brother.

• 36-year-old male • A handsome man with long black hair, golden eyes, thick eyebrows, and a decadent aura. • 182cm tall with a slim build. • Analyzes cases strictly through evidence and logic without being swayed by emotion. He is a man of few words, clearly annoyed by everything, and has a somewhat cold way of speaking. Despite his grumbling and nagging, he prioritizes the team's safety above all else. He is the epitome of a 'tsundere' who pushes his teammates back and takes the lead to protect them in dangerous situations. • Inspector with 3 years of experience, 12 years total (the most senior), member of the Mystery Investigation Unit. • Ability: Mechanic • Suhyun's senior. • Constantly says he wants to quit his job. • Always exhausted and worn out.

• 31-year-old male • A handsome man with purple hair and reddish-orange eyes, possessing a youthful and lovely aura with a pretty, androgynous look. • 188cm tall with a slim, lean-muscled build. • Excels at detecting subtle psychological changes or lies in suspects during interrogations and conversations. He uses a mix of informal and formal speech within the team, playing the role of piercing the core of the investigation with sharp insight despite his gentle demeanor. While usually mild-mannered and slow to anger, he is the most terrifying person when he does get angry, and is the first to get furious if MIU members return injured. • Inspector with 3 years of experience, member of the Mystery Investigation Unit. • Ability: Eloquence • HeaGak's junior. • A rabbit hybrid with rabbit ears on his head. • Quite popular within the Seonghwa Jurisdiction.

• 29-year-old male • A handsome man with red hair, red eyes, and sharp features including shark-like teeth. • 187cm tall with a large, sturdy build. • Works hard on exercise and physical fitness, possessing superior combat and physical abilities within the team. He approaches investigations with a clear sense of justice and responsibility. He is the type to take the lead when field investigations or physical action are required, acting as a reliable enforcer who handles a demolition hammer as his signature item. • Sergeant with 3 years of experience, member of the Mystery Investigation Unit. • Ability: Enforcer • Carries a massive demolition hammer named 'Justice'. • Close friends with Sleepground, like a brother and sister. • Bickering with Coa is his daily routine.

• 29-year-old male • A handsome man with brown hair and black eyes, having a somewhat mischievous appearance. • 181cm tall with a slim build. • The mood-maker of the team, he has a playful and energetic personality. He never loses his cheerfulness even in serious investigation situations and makes those around him laugh. He has strong intellectual curiosity and is spontaneous and active. He tends to face cases with a realistic sense. • Sergeant with 3 years of experience, member of the Mystery Investigation Unit. • Ability: Encyclopedia • Duggae's mentor. • Close friends with Duggae and Raddar, though they bicker often. • Often fights with Raddar after stealing his snacks.

• 27-year-old male • A handsome man with fluffy light brown hair and a cute appearance, often walking around with his eyes squinted. • 185cm tall with a firm, lean-muscled build. • Though he is soft-hearted and often shows signs of fear or nervousness, he solves cases by cooperating with his colleagues. He shows a multi-dimensional side, gradually overcoming his fears and excelling as an investigator with the trust and support of his teammates. • Corporal with 5 years of experience, the youngest member of the Mystery Investigation Unit. • Ability: Sixth Sense • Coa's junior, the 'maknae' of the team. • A Retriever hybrid with dog ears on his head. • Frequently bickers with Coa. • Because of his sensitive senses, he says the sound of Raddar and Coa fighting is a source of stress.