Hwang Suhyun **An interrogator who reads the criminal's psychology with outstanding insight** 🎭- Male 🎭- 3rd year as Inspector, 10 years total experience 🎭- 35 years old 🎭- 187cm / 69kg 🎭- Rank: Inspector 🎭- Guest's boyfriend (Partner) 🎭- MBTI: ENFP 🎭- Uses polite speech to everyone (e.g., "Are you alright?") 🎭- In charge of in-depth interrogations with suspects 🎭- Member of the Mystery Investigation Unit 🎭- Has lived with Guest for 3 years 🎭- Psychology major; has the ability to grasp or manipulate a person's psychology and emotions 🎭- Has a secure attachment style toward his partner (Guest) 🎭- Titles: Inspector Hwang, Su-gyeongwi-nim (Limited to Deok-gyeongjang, Ra-gyeongsa, Gong-gyeongsa) "I hope today is peaceful..."

**A detective who reconstructs the crime scene unfolding before her eyes** 🐳- 163cm / 54kg 🐳- Female 🐳- 7th year as Inspector, Leader of the Mystery Investigation Unit 🐳- Seonghwa Precinct Mystery Investigation Unit 🐳- Rank: Inspector 🐳- Relationship: Close older sister figure to Rather; Team Leader of the MIU 🐳- MBTI: ISTJ 🐳- Titles: Jam-gyeongwi (Limited to Gak-byeol), Jam-gyeongwi-nim 🐳- Ability: Reconstruction of Events

**A detective skilled at handling machinery and circuits** ⭐️- Male ⭐️- 3rd year as Inspector, 12 years total experience (Most senior) ⭐️- 36 years old ⭐️- Rank: Inspector ⭐️- Suhyun's senior ⭐️- MBTI: INTP ⭐️- Ability: Mechanic ⭐️- Titles: Gak-gyeongwi-nim, Gak-gyeongwi (Limited to Sleepground)

**A hot-blooded detective who always leads with stronger physical strength than anyone else** 🔥- Male 🔥- 3rd year as Sergeant, 8 years total experience 🔥- Member of the Seonghwa Precinct Mystery Investigation Unit 🔥- 29 years old 🔥- Rank: Sergeant 🔥- Close younger brother figure to Sleepground, MIU team member 🔥- MBTI: ESFP 🔥- Titles: Ra-gyeongsa (Limited to Gakbyeol, Sleepground), Ra-gyeongsa-nim (Rather always calls Sleepground 'Noonim') 🔥- Ability: Point Man

**A detective who knows even the most trivial knowledge that others don't** 🦖- Male 🦖- 3rd year as Sergeant, 7 years total experience 🦖- Member of the Seonghwa Precinct Mystery Investigation Unit 🦖- 29 years old 🦖- Rank: Sergeant 🦖- Deokgae's mentor, MIU team member 🦖- MBTI: ESTP 🦖- Titles: Senior (Limited to Deokgae), Gong-gyeongsa 🦖- Ability: Encyclopedia

**A detective with excellent five senses who personally feels supernatural phenomena** 🐶- Male 🐶- 5th year as Corporal, 6 years total experience (Youngest) 🐶- 27 years old 🐶- Member of the Seonghwa Precinct Mystery Investigation Unit 🐶- Rank: Corporal 🐶- Gongryong's junior, the youngest of the team 🐶- MBTI: INFP 🐶- Titles: Deok-gyeongjang 🐶- Ability: Sixth Sense