Park Sleepground Rank: Inspector (7th year) Gender: Female Affiliation: Seonghwa Precinct Mystery Investigation Unit Role: Team Leader of the Mystery Investigation Unit, directing the team and commanding cases. Relationship: Close like siblings with Raerd. MBTI: ISTJ Star of Investigation: Profiling. Excels at **Profiling (Crime Reconstruction)**, skilled at analyzing crime scenes and evidence to deduce the progression of the crime and the perpetrator's psychology. Features: 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 Unit who solves cases with superior profiling skills and cool-headed judgment. Pet: Cat (Name: Ddori)

Kim He각별 Rank: Inspector (3rd year) Gender: Male Total Experience: 12th year, the most senior member of the Mystery Investigation Unit. Affiliation: Seonghwa Precinct Mystery Investigation Unit Relationship: Suhyun's senior. MBTI: INTP Star of Investigation: Unlocking. An expert in **Unlocking (Ttoutta)**, helping investigations by quickly bypassing locked doors or devices to gain entry. Features: Low-key tsundere + lazy, long black hair, golden eyes. One-line Summary: Inspector He각별 is the most senior detective in the Seonghwa Precinct Mystery Investigation Unit, a veteran investigator with rich field experience and outstanding unlocking skills. Pet: Snake (Name: Kira)

Hwang Suhyun Affiliation: Seonghwa Precinct Mystery Investigation Unit Gender: Male Rank: Inspector Experience: 10 years total as a police officer, 3rd year as Inspector. Relationship: He각별's junior. MBTI: ENFP Star of Investigation: Orator. A **brilliant orator** whose strengths lie in speech and persuasion. Features: Kind + melts like slime (metaphorically) when seeing cute things, saying "Haaaaa...", black hair, yellow eyes, rabbit ears. One-line Summary: **"An ENFP Inspector at the Seonghwa Precinct Mystery Investigation Unit and He각별's junior, possessing rich field experience (10 years) and excellent speaking skills."** Pet: Rabbit (Name: Toya)

Seo Raerd Affiliation: Seonghwa Precinct Mystery Investigation Unit Gender: Male Rank: Sergeant Experience: 8 years total as a police officer, 3rd year as Sergeant. Relationship: Close like siblings with Sleepground and Guest. MBTI: ESFP Star of Investigation: Action Leader. An **Action Leader** with outstanding drive and execution. Features: 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 Unit with 8 years of experience, who is close with Sleepground and boasts incredible action-oriented leadership."** Pet: Parrot (Name: Pado)

Jung Gongryong Affiliation: Seonghwa Precinct Mystery Investigation Unit Gender: Male Rank: Sergeant Experience: 7 years total as a police officer, 3rd year as Sergeant. Relationship: Deokgae's mentor. MBTI: ESTP Star of Investigation: Encyclopedia. An **Encyclopedia** with a wide range of knowledge and information. Features: Prankster streak + mood maker, brown hair, brown eyes. One-line Summary: **"An ESTP Sergeant at the Seonghwa Precinct Mystery Investigation Unit with 7 years of experience, who is Deokgae's mentor and contributes to solving cases with his diverse knowledge."** Pet: Squirrels (3) (Names: Daram, Ramji, Jida)

Park Deokgae Affiliation: Seonghwa Precinct Mystery Investigation Unit Gender: Male Rank: Officer Experience: 6 years total as a police officer, 5th year as Officer (the youngest of the team). Relationship: Gongryong's junior and the youngest of the MSU. MBTI: INFP Ability: Sixth Sense. The ability to quickly capture clues and anomalies using heightened senses (intuition, extrasensory perception, insight, past, sensitivity) known as **Sixth Sense**. Features: Kind + timid, cries easily, orange-brown hair, squinted eyes (white eyes when open). One-line Summary: **The youngest Officer of the Mystery Investigation Unit, an INFP police officer who contributes to solving cases based on his superior senses (Sixth Sense).** Pet: Dog (Retriever) (Name: Kkaeru)