Sergeant • Seonghwa Precinct March 12, 1971 • Female Affiliation: Mystery Investigation Unit, Seonghwa Precinct Appointments 1992 Officer ~ 1996 Lieutenant 1998 Lieutenant -> Sergeant Education Graduated from Cheongyeon High School Key Career History 1997 Overseas Dispatch 1998 Demoted in the USA 1999 Recruited to Seonghwa Precinct Mystery Investigation Unit Star of Investigation: Three Lives of Karma Ability Details: Can see the past, present, and afterlife of the deceased to find missing items. Through the Book of Life, can identify people who will die within 10 seconds. Penalty: Fever, tinnitus, and fainting if used for 30 consecutive minutes. Using the Book of Life causes high fever and drains life force for a week. Appearance: Long dark sea-green hair and lime eyes. A gentle face with bangs held high in a half-updo secured by a hairpin. Personality: Usually playful and full of curiosity, but when an investigation begins, her expression hardens and she becomes intensely focused as if possessed. Family Choi Yeonho (Older Brother) Relationships MIU: Respects them and wants to be recognized. Deokgae: Shares the struggles of having similar abilities.

Lieutenant • Seonghwa Precinct December 28, 1970 • Female Leader and ace of the Mystery Investigation Unit Appointments 1993 Lieutenant Education 1989 Graduated from Seulgi Girls' High School 1993 Graduated from Korean National Police University Key Career History 1993–1994 Domestic Profiler activity (Rotational duty) 1995–1999 Boarding House Murder Case ~ Locked Room Stage Murder Case Star of Investigation: Case Reconstruction Can visualize the crime scene based on superior situational analysis skills. Appearance: A beauty with short brown hair and brown eyes. Personality: A calm and composed leader. Relationships Rather: Close like siblings (Noona/Dongsaeng) Yeonwoo: A talented junior

Sergeant • Seonghwa Precinct December 15, 1971 • Male The enforcer of the Mystery Investigation Unit Appointments 1992 Officer 1993 Corporal 1996 Sergeant Education 1990 Graduated from Hansol High School Key Career History 1995–1999 Boarding House Murder Case ~ Locked Room Stage Murder Case Star of Investigation: Justice Possesses excellent physical and combat abilities. Ranked 1st by an overwhelming margin in the physical fitness portion of the officer recruitment exam. Appearance: Intimidating impression with red hair and eyes. A handsome man with sharp eyes and pointed teeth. Personality: Confident, full of fighting spirit, and righteous. Relationships Sleepground: Close like siblings (Noona/Dongsaeng) Yeonwoo: A cool colleague

Sergeant • Seonghwa Precinct September 11, 1971 • Male The encyclopedia (Knowledge) of the Mystery Investigation Unit Appointments 1993 Officer 1994 Corporal 1996 Sergeant Education 1990 Graduated from Hyeongjun High School Key Career History 1993–1994 General Affairs Division 1995 Reassigned to Investigation Division 1995–1999 Boarding House Murder Case ~ Locked Room Stage Murder Case Star of Investigation: Encyclopedia Passed the officer recruitment written exam at the top of his class. Excellent information retention and memory. Appearance: A handsome man with brown hair, brown eyes, and a bright expression. Personality: Easygoing and very mischievous. Relationships Deokgae: Teases him often Sleepground: Superior whom he respects Yeonwoo: A bit scary... but he respects her

Lieutenant • Seonghwa Precinct April 23, 1964 • Male The mechanic of the Mystery Investigation Unit Appointments 1988 Officer 1990 Corporal 1992 Sergeant 1996 Lieutenant Education 1983 Graduated from Mechanical Department of Ilyoung Technical High School Key Career History 1995–1999 Boarding House Murder Case ~ Locked Room Stage Murder Case Star of Investigation: Mechanic Has an extraordinary talent for electronic engineering and handling machinery. Appearance: A handsome man who looks tired, with black hair in a low ponytail, yellow eyes, and faint dark circles. Personality: Finds everything bothersome. Relationships Sleepground: A reliable leader Soohyun: Opposite personalities Yeonwoo: Reliable

Lieutenant • Seonghwa Precinct January 7, 1965 • Male The orator and verbal fighter of the Mystery Investigation Unit Appointments 1990 Officer 1991 Corporal 1993 Sergeant 1996 Lieutenant Education 1984 Graduated from Hyeonseo High School 1989 Graduated from Department of Psychology, Hwangsu University Key Career History 1995–1999 Boarding House Murder Case ~ Locked Room Stage Murder Case Star of Investigation: Orator Possesses excellent empathy and persuasive speech. Outstanding at interrogation. Appearance: A handsome man with rabbit ears visible, black hair, and orange eyes. Good at hiding his expressions. Personality: Always smiling, making him hard to read, but kind. Relationships Sleepground: A reliable leader Heikak: Opposite personalities Yeonwoo: A reliable colleague

Corporal • Seonghwa Precinct December 14, 1973 • Male The youngest member and the 'Sixth Sense' of the Mystery Investigation Unit Appointments 1994 Officer 1995 Corporal Education 1992 Graduated from Yeonghwan High School Key Career History 1995–1999 Boarding House Murder Case ~ Locked Room Stage Murder Case Star of Investigation: Sixth Sense Extremely heightened five senses. Can use spiritual powers through corpses remaining at the scene due to excellent extrasensory perception. Five Senses: Sensitivity, Insight, Past, Extrasensory, Intuition Appearance: A handsome man with light brown hair and narrow eyes, resembling a puppy with a bright expression. Personality: Timid and easily frightened. Relationships Dinosaur: Gets teased by him Sleepground: Leader he respects Yeonwoo: A colleague he finds amazing

Murder, robbery, serial killing, etc.