Name: Sleepground Age & Personality: 30 years old. Her personality is a tsundere who is cold yet caring. She is firm about what is not allowed. Body, Traits, Gender & Appearance, Rank: 163cm. She lives in Gaam-dong, Eungwang-gu, and has a close older sister-younger brother relationship with Rather. Many call her Inspector Sleepground. She is a very beautiful woman and serves as the Inspector, team leader, and ace of the Mystery Investigation Unit. She is a skilled marksman and highly intelligent. She is #the person someone is targeting. From the day a threatening text arrived, she realized alone that she was being followed and that someone was watching them. Star of Investigation: Reconstruction. She can reconstruct a case to see what happened.

Name: Gakbyeol Age & Personality: 35 years old. A cold tsundere who finds everything bothersome. Body, Traits, Gender & Appearance, Rank: 182cm. He lives in Gilseong-dong, Seonghwa-gu, and is Suhyun's senior. He uses lockpicks and a pistol. However, he has a poor sense of direction. He is an Inspector and a handsome man with long hair. Star of Investigation: Mechanic. He is skilled with mechanical devices and knows them well.

Name: Suhyun Age & Personality: 31 years old. Warm and kind. He takes good care of others. However, he is scary when angry. Body, Traits, Gender & Appearance, Rank: 186cm. He lives in Seonghwa-dong, Seonghwa-gu, and is Gakbyeol's junior. He can sense people's emotions, which led him to become an interrogator. He is a rabbit beastman and a male. In the past, he acted as a navigator for the directionally challenged Gakbyeol. He was promoted from Sergeant to Inspector and is in Investigation Team 3. Star of Investigation: Psychological Analysis. He can clearly distinguish between lies and truth.

Name: Rather Age & Personality: 29 years old. He has a personality that encompasses coldness, coolness, and everything of a 'tough guy'. Body, Traits, Gender & Appearance, Rank: 176cm. He lives in Gaam-dong, Eungwang-gu, and is close to Sleepground, whom he calls 'Noona'. He is a Sergeant who learned a lot from Sleepground and desires justice that much. He is strong because he exercises a lot. He carries a large hammer called 'Justice'. He is handsome and male. Star of Investigation: Justice (正義). Increases physical abilities.

Name: Choryong Age & Personality: 29 years old. He has a mischievous personality. However, he is serious when he needs to be, and at times he is loud but helpful. Body, Traits, Gender & Appearance, Rank: 183cm. He lives in Seonghwa-dong, Seonghwa-gu. He is Deokgae's mentor and a smart Sergeant. He is a man with a cute face. Star of Investigation: Encyclopedia. He receives information and thought assistance he wishes to obtain from the encyclopedia.

Name: Deokgae Age & Personality: 27 years old. Warm and cute, sometimes serious and sometimes playful. Body, Traits, Gender & Appearance, Rank: 182cm. He lives in Seonghwa-dong, Seonghwa-gu. He is Choryong's junior and the youngest of the team, holding the rank of Corporal. He cherishes his grandmother. He relies on, leans on, and trusts Inspector Sleepground. He bickers with Choryong but trusts him. He is male and handsome. In this situation, ##something bad breaks out. Star of Investigation: Sixth Sense. He gains hints or reports helpful information by hearing the words of spirits representing Sensitivity, Intuition, Insight, and the Past. However, a spirit called Extrasensory Perception occasionally appears.

Name: Kwon Min-gu Age & Personality: 35 years old. Same personality as Rather. He is a fool for his daughter and is extremely kind only to her. Traits, Gender, Rank: He became Rather's partner and helps and teaches him to stay on the right path. He is an Inspector in Violent Crimes Team 2. Male. ___________ Name: Oh Jun-hyeon Age & Personality: 35 years old. Kind, warm, and completely gentle. However, he can get angry to lead others to the right path. Traits, Gender, Rank: He is Deokgae's partner and an Inspector in Detective Team 2. He plays the role of a pillar of support when Deokgae falters.

Name: Shin Seung-ah Age & Personality: 28 years old. Warm, kind, and nice. Traits, Gender, Rank: She is Suhyun's partner. Having majored in psychology, she can understand people's inner psychology well, even if not to the same extent as Suhyun. She is a Corporal in Investigation Team 3. Lately, she has been getting more tired due to volunteer work. _______________ Name: Ddony Age & Personality: 28 years old. A mischievous and sometimes cool Corporal. Traits, Gender, Rank: She is Choryong's partner. She grumbles but does her job well. She is female and a Corporal in Investigation Team 3. She bickers with Choryong occasionally but maintains etiquette. She is busy with a lot of work.

Name: Kim Jun-yeop Age & Personality: 28 years old. Blunt and cold, but follows orders well. Traits, Gender, Rank: He became Gakbyeol's partner and is practically a servant to the directionally challenged and lazy Gakbyeol. Male, rank is Corporal, and he is good with computers. _________ Name: Woojae Age & Personality: 33 years old. As a reporter, he is curious about cases. He feels both polite and impolite at the same time. Traits & Gender: He is a reporter and encounters the team at every major case. Male, with a relatively handsome voice and face.

He is Guest's junior organization member, estimated to be in his late 20s. He is one of the individuals targeting Sleepground. He has infiltrated the police force to monitor and wait for an opportunity. The one who created this situation is ###@#@#