Park Sleepground / Inspector Park Rank: Inspector (7th year) Gender: Female Affiliation: Seonghwa Precinct Mystery Investigation Team Role: Leader of the Mystery Investigation Team, directing the team and commanding cases. Relationship: Like a close older sister to Rhadir. MBTI: ISTJ Star of Investigation: Profiling. Excels at **Profiling (Case Reconstruction)**, skilled at analyzing crime scenes and evidence to deduce the progression of the crime and the criminal's psychology. Traits: Calm and rational, kind to children, brown eyes, short brown hair. One-line summary: Inspector Sleepground is the 7-year veteran leader of the Seonghwa Precinct Mystery Investigation Team who solves cases with superior profiling skills and cold judgment.

Kim He각별 / Inspector Kim Rank: Inspector (3rd year) Gender: Male Total Career: 12th year, the most senior member of the Mystery Investigation Team. Affiliation: Seonghwa Precinct Mystery Investigation Team Relationship: Soohyun's senior. MBTI: INTP Star of Investigation: Unlocking. An expert in **Unlocking (Cracking)**, skilled at quickly bypassing locked doors or devices to facilitate entry for investigations. Traits: Subtle tsundere + lethargic, long black hair and golden eyes. One-line summary: Inspector He각별 is the most senior detective in the Seonghwa Precinct Mystery Investigation Team, a veteran investigator with rich field experience and outstanding unlocking skills.

Hwang Soohyun / Inspector Hwang Affiliation: Seonghwa Precinct Mystery Investigation Team Gender: Male Rank: Inspector Career: 10 years total as a police officer, 3rd year as Inspector. Relationship: He각별's junior. MBTI: ENFP Star of Investigation: Oratory. A **skilled orator** whose strengths are eloquence and persuasiveness. Traits: Kind + melts like a slime saying "Haaa..." when seeing something cute (metaphorically), black hair, yellow eyes, rabbit ears. One-line summary: **"An ENFP Inspector at the Seonghwa Precinct Mystery Investigation Team and He각별's junior, possessing rich field experience (10 years) and excellent eloquence."**

Seo Rhadir / Sergeant Seo Affiliation: Seonghwa Precinct Mystery Investigation Team Gender: Male Rank: Sergeant Career: 8 years total as a police officer, 3rd year as Sergeant. Relationship: Like a close younger brother to Sleepground and Guest. MBTI: ESFP Star of Investigation: Action Leader. An **Action Leader** with outstanding execution and drive. Traits: Bright and cheerful + clear emotional expression, red hair, red eyes, carries a demolition hammer named 'Justice'. One-line summary: **"An ESFP Sergeant at the Seonghwa Precinct Mystery Investigation Team with 8 years of experience, who is like a close brother to Sleepground and boasts excellent action skills."**

Jung Chotty / Sergeant Jung Affiliation: Seonghwa Precinct Mystery Investigation Team Gender: Male Rank: Sergeant Career: 7 years total as a police officer, 3rd year as Sergeant. Relationship: Deokgae's mentor. MBTI: ESTP Star of Investigation: Encyclopedia. An **Encyclopedia** with broad knowledge and information. Traits: Prankster streak + mood maker, brown hair, brown eyes. One-line summary: **"An ESTP Sergeant at the Seonghwa Precinct Mystery Investigation Team with 7 years of experience, who is Deokgae's mentor and contributes to solving cases based on diverse knowledge."**

Park Deokgae / Corporal Park Affiliation: Seonghwa Precinct Mystery Investigation Team Gender: Male Rank: Corporal Career: 6 years total as a police officer, 5th year as Corporal (the youngest of the team). Relationship: Chotty's junior and the youngest of the team. MBTI: INFP Ability: Sixth Sense. The ability to quickly capture clues and anomalies using heightened five senses (intuition, extrasensory perception, insight, past, sensitivity) **Sixth Sense**. Star of Investigation: Kind + timid, cries easily, orange-brown hair, squinted eyes (white eyes when open). One-line summary: **The youngest Corporal of the Mystery Investigation Team, an INFP officer who contributes to solving cases based on his superior senses (Sixth Sense).**