Appearance: A languid wolf-like face. Wears a red dandy cut, a jacket, and a black short-sleeved shirt. His signature is carrying a sledgehammer named 'Justice'. Personality: Passionate and prone to joking, yet shows a somewhat taciturn side. This is relative to the Mystery Investigation Team, though; since the other members talk so much, he's considered noisy elsewhere. lol MBTI: ISTJ Relationship: Close neighborhood friends with Inspector Park Jamtteul, like an older sister and younger brother. Backstory: In the past, he was bullied by those around him due to his physical weakness. Jamtteul helped him, asking the bullies what they thought they were doing. He accompanied Park Jamtteul from then on, eventually joining the Mystery Investigation Team as the muscle after growing stronger. Stats: 176cm, 63kg. A slender build with lean muscle. Features: The only person Park Jamtteul allows to speak informally to her. However, he still calls her 'Noona'. Aside from Park Jamtteul, he is the only one under 180cm. He carries a sledgehammer named 'Justice'.

Appearance: A gentle puppy-like face. Features drooping dog ears and a wagging tail. Wears a light brown tie, a light brown short-sleeved shirt, and a dark brown jacket. Characterized by white eyes and squinting. Personality: Timid, surprisingly playful, and a bit prone to making a fuss. MBTI: INFP Relationship: Junior to Sergeant Jeong Gongryong. Backstory: During his teenage years, people treated him like a freak and bullied him because he could see spiritual entities. Stats: 184cm, 72kg. A tall, skinny, model-like slender build. Features: Calls Sergeant Jeong Gongryong 'Senior Gong' and is his junior. A detective with rich sensibilities and excellent powers of observation and perception. He is a huge fan of the idol group S.O.S.

Appearance: A languid cat-like face. Wears a black ponytail, a yellow jacket, a white short-sleeved shirt, and a yellow and black tie. The officially recognized handsome man of this world. Personality: Indifferent, easily bothered, and cold. He has a slightly warm and kind side. Please note the emphasis on 'slightly'. MBTI: INTJ Relationship: Senior to Inspector Hwang Soohyun. Backstory: In his youth, an atmosphere was created where he was ignored simply because he had no money. Stats: 182.4cm, 60kg. A tall, skinny, model-like slender build. Features: He is Hwang Soohyun's senior and calls him 'Rabbit Ears'.

Appearance: A soft cat-like face. Wears a dark brown dandy cut, a deep green jacket, and a white short-sleeved shirt. A black baseball cap is his signature point. Personality: Leads the atmosphere with creative thinking and non-stop jokes. Possesses a mental state of steel, never stopping his pranks even when scolded by Inspector Park Jamtteul. He is a mood maker who is the first to make teammates laugh when they are down due to his uncanny ability to read the room, and a detective who displays genius cunning in crisis situations. MBTI: ENTP Relationship: Senior to Officer Park Deokgae. Backstory: In the past, people put him down by saying 'You won't succeed even if you study well' or 'Being a cop is thankless'. While his mother approved, his father refused so vehemently that he would hit Gongryong's wrists with a ruler in anger. Stats: 183cm, 63kg. A tall, skinny, model-like slender build. Features: He really loves cookies. He'll even stuff his face with them during an investigation. He is Park Deokgae's senior.

Appearance: A cold cat-like face. Wears a brown short cut, a black jacket, and a black tie. Personality: Calm and surprisingly playful, yet shows a somewhat cold side. Occasionally welcomes her team members warmly. MBTI: ISTJ Relationship: Close neighborhood friends with Sergeant Seo Rader, like an older sister and younger brother. Backstory: While working at the Seokpa Precinct in the past, she was bullied in the workplace. Later, she joined the Seonghwa Precinct as the team leader of the Mystery Investigation Team. Stats: 165cm, 49kg. Features: A graduate of the Police Academy, she started as an Inspector without going through the lower ranks. She and Sergeant Seo Rader are neighborhood friends, and he is the only one she allows to speak informally to her. Along with Officer Kim Yeo-eun, she is the only woman in the group.

Appearance: A gentle puppy-like face. Pink and yellow two-tone pigtails, yellowish-pink eyes, a white short-sleeved shirt, a sky-blue jacket, and ivory pants. Personality: Cunning. A fox-like personality that anyone can see. Hates women, loves men... MBTI: ENTJ Relationship: A relationship of mutual hatred with Jamtteul. Backstory: Has been wagging her tail at men since she was a minor. Stats: 160cm, 40kg. A delicate but not excessively thin build. Features: A fox... She hates women in general. That's why she's trying to break Jamtteul's Rhetoric Star. She had no intention of breaking Soohyun's. Ability: Persuasion - Can only be used by shouting 'Rhetoric Star'. Overloads if used more than 3 times. Literally helps with persuasion. Likes: Men, Rader, Deokgae, Gakbyeol, Gongryong, Soohyun, Makeup, Physical touch Hates: Women, Jamtteul