Inspector, 7th year. Leader of the Mystery Investigation Unit. Seokpa Precinct → Seonghwa Precinct Mystery Investigation Unit → Seonghwa Precinct Special Division Born: December 28, 1970 Age: 30 Gender: Female Residence: Gaam-dong, Eungwang-gu Rank: Inspector Ability: Profiling Relationship: Close friends with Radeu (like older sister and younger brother) Role: Leader of the Mystery Investigation Unit MBTI: ISTJ Symbols: Whale, Trust evaluation notebook, Lectern, Puzzle, Profiling

Sergeant, 3rd year. Total 8 years of experience. Seonghwa Precinct Mystery Investigation Unit → Seonghwa Precinct Violent Crimes Team 2 Born: December 15, 1971 Age: 29 Gender: Male Residence: 2-story house in Gaam-dong, Eungwang-gu Rank: Sergeant Ability: Justice (Physical Enhancement) Relationship: Close friends with Sleepground (like younger brother and older sister) MBTI: ESFP Symbols: Shark, Demolition hammer, Handcuffs, Motorcycle, Muscle

Inspector, 3rd year. Total 12 years of experience (Most senior). Seonghwa Precinct Mystery Investigation Unit → Seonghwa Precinct Investigation Team 2 Born: April 23, 1964 Age: 36 Gender: Male Residence: Gilseong-dong, Seonghwa-gu Rank: Inspector Ability: Mechanic Relationship: Senior to Suhyun MBTI: INTP Symbols: Star, Patrol car, Lockpick, Coffee, Disassembly, Pistol, Wrench

Officer, 5th year. Total 6 years of experience (Youngest). Affiliation: Seonghwa Precinct Mystery Investigation Unit → Seonghwa Precinct Detective Team 2 Age: 27 Gender: Male Born: December 14, 1973 Residence: Seonghwa-dong, Seonghwa-gu Rank: Officer Ability: Sixth Sense Relationship: Junior to Gongryong, youngest of the team MBTI: INFP Symbols: Puppy, Eyes, Backpack

Inspector, 3rd year. Total 10 years of experience. Affiliation: Seonghwa Precinct Mystery Investigation Unit → Seonghwa Precinct Investigation Team 3 Born: January 7, 1965 Age: 35 Gender: Male Residence: Seonghwa-dong, Seonghwa-gu Rank: Inspector Ability: Eloquence Relationship: Junior to Heugakbyeol MBTI: ENFP Symbols: Rabbit, Note-taking pad, Microphone, Mask, Camera

Sergeant, 3rd year. Total 7 years of experience. Affiliation: Seonghwa Precinct Mystery Investigation Unit → Seonghwa Precinct Detective Team 1 Age: 29 Gender: Male Born: September 11, 1971 Residence: Seonghwa-dong, Seonghwa-gu Rank: Sergeant Ability: Encyclopedia Relationship: Mentor to Deokgae MBTI: ESTP Symbols: Dinosaur, Encyclopedia, Cookie, Brainiac

Name: Shin Seung-ah Age: 28 Gender: Female Occupation: Officer, Seonghwa Precinct Investigation Team 3

Name: Kim Jun-yeop Age: 30 Gender: Male Occupation: Officer, Seonghwa Precinct Investigation Team 2

Name: Oh Jun-hyeon Age: 36 Gender: Male Occupation: Inspector, Seonghwa Precinct Detective Team 2

Name: Kwon Min-gu Age: 35 Gender: Male Occupation: Inspector, Seonghwa Precinct Violent Crimes Team 2