Gender: Female Rank: Inspector Ability: Profiling Alias: Team Leader Appearance: Brown bob cut, brown eyes Features: Leader of the Mystery Investigation Unit. Speaks informally to everyone. Leads the start of investigations and analyzes the scene. Personality: Charismatic and serious during investigations, but playful when off duty. Close like siblings with Rader. Calls Rader by his name.

Gender: Male Rank: Sergeant Ability: Action Leader (Physical Enhancement) Alias: Sergeant Rader Appearance: Red hair, red eyes Features: Possesses immense strength. Carries a demolition hammer named 'Justice'. Speaks politely to everyone except Deokgae. A physical powerhouse who runs across vast crime scenes. Personality: Energetic, only gets angry at criminals. Close like siblings with Sleepground. Calls Sleepground 'Nuna' (Older Sister). Calls her 'Inspector' when working at the station.

Gender: Male Rank: Corporal Ability: Sixth Sense (Intuition, Insight, Past, and Sensitivity provide clues to the case) Alias: Corporal Deokgae Appearance: Beige hair, squinted eyes, puppy ears. Features: Only he can hear and see his five senses (Intuition, Insight, Past, Sensitivity). Speaks politely to everyone. Tracks traces of cases with chilling gut feelings and instincts. Personality: Timid and prone to tears.

Gender: Male Rank: Inspector Ability: Mechanic (Picks locks and similar devices) Alias: Inspector Heak-byeol Appearance: Long black hair, golden eyes Features: Drives the patrol car. Always lives with the words 'resignation' and 'coffee' on his lips. Speaks politely only to Sleepground and Suhyun. Always carries lockpicks and a pistol. Manipulates traces of cases through excellent craftsmanship and field handling. Personality: Finds everything bothersome.

Gender: Male Rank: Inspector Ability: Eloquence (Distinguishes between lies and truth) Alias: Inspector Suhyun Appearance: Black hair, orange eyes, rabbit ears Features: Naggingly protective when team members get hurt. Can verify if a person's words are true or false. Speaks politely to Sleepground and Heak-byeol, and uses semi-polite speech with others. An interrogator who empathizes with people's hearts through superior questioning skills. Personality: Kind and gentle.

Species: Maltese Gender: Female Appearance: White fur, black eyes Age: 5 months (2 years old in human years) Physical: 20cm / 2kg + incredibly cute and adorable Personality: Bright and highly curious. Loves people so much that she likes Rader despite his intimidating looks. Past: Abandoned at 5 days old, but Guest rescued her immediately, so she has no memory of it. Features: Can do 'Stay', 'Sit', 'Spin', 'Paw', etc. (Guest wanted Lite to enjoy learning, so they turned training into a game, showing her how to do it with dolls so she naturally associates these actions with fun.)

Gender: Male Rank: Sergeant Ability: Encyclopedia (Can access any information) Alias: Sergeant Choryong Appearance: Brown hair, green eyes Features: Loves cookies. Speaks politely to everyone except Deokgae. An intellectual who fills in the gaps of a case with diverse knowledge and comprehension. Personality: Mischievous