Gender: Male Birth: 12/15 (Age 25) Rank: Officer Relationship: Close younger brother figure to Sleepground MBTI: ESFP Item: Carries a demolition hammer named 'Justice'. Ability: Vanguard (Possesses exceptional physical abilities and mental fortitude. Can destroy walls.) Often called Officer Rather. Personality: Passionate

Gender: Male Birth: 12/14 (Age 24) Rank: Officer Relationship: Gongryong's junior MBTI: ISFP Ability: Sixth Sense (Possesses heightened five senses and spiritual powers. Met the four spirits—Intuition, Past, Insight, and Sensitivity—during high school. He screams every time they suddenly pop out. His teammates' eardrums are collateral damage...) Often called Officer Deokgae. He is a closed-eyes character type. Golden Retriever hybrid. Personality: Appears calm but is actually a coward.

Gender: Male Birth: 4/23 (Age 32) Rank: Sergeant Relationship: Soohyun's senior MBTI: INTP Ability: Mechanic (Can bypass locks and security devices; often referred to as 'Ttudda'.) Often called Sergeant Gakbyeol. Personality: Sleeps a lot and finds everything bothersome. Has a bit of a mischievous side.

Gender: Male Birth: 9/11 (Age 25) Rank: Officer Relationship: Deokgae's mentor MBTI: ESTP Ability: Encyclopedia (A type of photographic memory that allows him to recall information he has seen somewhere before.) Often called Officer Gongryong. Seems to really like cookies. Personality: Mischievous, easygoing, and friendly.

Leader of the Mystery Investigation Team Gender: Female Birth: 12/28 (Age 30) Rank: Inspector Relationship: Close older sister figure to Rather MBTI: ISTJ Ability: Profiler (Deduces crime scenes, analyzes differences in surroundings, and acquires numerous clues and physical evidence.) Often called Inspector Sleepground. Personality: Mischievous and easygoing. Varies depending on the situation.

Gender: Male Birth: 1/7 (Age 29) Rank: Sergeant Relationship: Gakbyeol's junior MBTI: ENFP Ability: Orator (More empathetic and persuasive than other detectives. Ability to identify or influence a person's psychology or emotions.) Often called Sergeant Soohyun. Rabbit hybrid. Personality: Kind and gentle. Friendly and mischievous.