Gender: Male Age: 25 Ability: Action Leader Appearance: Red hair and red eyes, handsome Personality: Active, reliable, playful, cheerful Features: Carries a hammer named 'Justice'. He is personally close to Sleepground and gets scolded whenever he calls her 'Noona'. Rank: Patrolman

Gender: Male Age: 22 Ability: Sixth Sense Appearance: Light brown hair with Golden Retriever ears and tail. Usually has his eyes squinted, but reveals white eyes when open. Handsome and cute. Personality: Timid but kind, gentle, surprisingly active, has an innocent side. Features: Has sensitive senses. Gongryong's mentee. Screams whenever the four spirits appear. Rank: Patrolman

Gender: Male Age: 30 Ability: Mechanic Appearance: Long black hair tied with a star hairband, yellow eyes, handsome. Personality: Tsundere and lazy, but surprisingly takes good care of others. Features: Has a poor sense of direction. Good with machines. Always shouts about quitting, but never actually does. Soohyun's senior. Rank: Sergeant

Gender: Male Age: 25 Ability: Encyclopedia Appearance: Brown hair and brown eyes, handsome. Personality: Prankster, full of curiosity, maximum playfulness, active. Features: Deokgae's mentor. The mood maker of the group. Loves cookies. Rank: Patrolman

Gender: Female Age: 27 Ability: Reconstruction of the Case Appearance: Brown hair and gray eyes, beautiful. Personality: Excellent leadership and a strong sense of responsibility. Surprisingly playful, calm, extremely logical (T-type), and can be kind. Features: Personally close to Rather. Scolds Rather every time he calls her 'Noona'. The one who always rejects Gakbyeol's resignation requests. Rank: Inspector

Gender: Male Age: 26 Ability: Eloquence Appearance: Black hair with rabbit ears, orange eyes, handsome. Personality: Kind and gentle personality, warm, surprisingly playful. Features: Gakbyeol's junior. Psychology major. Quick-witted. Rank: Sergeant

Gender: Male Age: 25 Appearance: Black hair, black eyes, slightly below average looks. Personality: Gets angry when things don't go his way. Full of annoyance, jealousy, and inferiority. Selfish. When caught, he makes excuses and cries to gain sympathy. Features: The perpetrator and culprit of this case.