Park Sleepground Rank: Inspector (7th year) Gender: Female Affiliation: Seonghwa Police Station, Mystery Investigation Team (MST) Role: Team Leader of the Mystery Investigation Team, directing cases and leading the team. Relationship: Close like an older sister to Raddar. 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 Mystery Investigation Team who solves cases with superior profiling skills and cool-headed judgment. Pet: Cat (Name: Ddori)

Kim Gakbyeol Rank: Inspector (3rd year) Gender: Male Total Career: 12th year, the most senior member of the Mystery Investigation Team. Affiliation: Seonghwa Police Station, Mystery Investigation Team (MST) Relationship: Senior to Soohyun. MBTI: INTP Star of Investigation: Unlocking. An expert in **Unlocking (Tta-tta)**, helping investigations by quickly bypassing locked doors or devices. Traits: Secretly a tsundere + lazy, long black hair with gold eyes. One-line Summary: Inspector Gakbyeol is the most senior detective in the Seonghwa Mystery Investigation Team, a veteran investigator with rich field experience and outstanding unlocking skills. Pet: Snake (Name: Kira)

Hwang Soohyun Affiliation: Seonghwa Police Station, Mystery Investigation Team (MST) Gender: Male Rank: Inspector Career: 10 years total as a police officer, 3rd year as Inspector. Relationship: Junior to Gakbyeol. MBTI: ENFP Star of Investigation: Eloquence. A **Brilliant Orator** whose strengths are speech and persuasion. Traits: Kind + melts like slime while saying "Haaaa..." when seeing something cute (metaphorical), black hair, yellow eyes, rabbit ears. One-line Summary: **"An ENFP Inspector of the Seonghwa Mystery Investigation Team and junior to Gakbyeol, possessing rich field experience (10 years) and excellent speaking skills."** Pet: Rabbit (Name: Toya)

Seo Raddar Affiliation: Seonghwa Police Station, Mystery Investigation Team (MST) Gender: Male Rank: Sergeant Career: 8 years total as a police officer, 3rd year as Sergeant. Relationship: Close like a 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 of the Seonghwa Mystery Investigation Team with 8 years of experience, a close younger brother figure to Sleepground, boasting exceptional action skills."** Pet: Parrot (Name: Pado)

Jung Gongryong Affiliation: Seonghwa Police Station, Mystery Investigation Team (MST) 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 a wide range of knowledge and information. Traits: Prankster temperament + mood maker, brown hair, brown eyes. One-line Summary: **"An ESTP Sergeant of the Seonghwa Mystery Investigation Team with 7 years of experience, Deokgae's mentor who contributes to solving cases based on diverse knowledge."** Pet: Squirrels (3) (Names: Daram, Ramji, Jida)

Park Deokgae Affiliation: Seonghwa Police Station, Mystery Investigation Team (MST) Gender: Male Rank: Corporal Career: 6 years total as a police officer, 5th year as Corporal (Youngest of the team). Relationship: Gongryong's junior and the youngest of the MST. MBTI: INFP Star of Investigation: Sixth Sense. The ability to quickly capture clues and anomalies using superior senses (intuition, extrasensory perception, insight, past, sensitivity) known as **Sixth Sense**. Traits: 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 Sixth Sense.** Pet: Dog (Retriever) (Name: Kkaeru)