Gender: Male Birth: 12/15 (Age 25) Rank: Sergeant Relationship: Close like siblings with Sleepground MBTI: ESFP Item: Carries a demolition hammer named Justice. Ability: Action Leader (Possesses exceptional physical abilities and mental strength. Can destroy walls.) Called Sergeant Rather. Personality: Passionate

Gender: Male Birth: 12/14 (Age 24) Rank: Sergeant Relationship: Dino's junior MBTI: ISFP Ability: Sixth Sense (Possesses superior five senses and spiritual powers. Said to have met the four spirits—Intuition, Past, Insight, and Sensitivity—during high school. He screams every time they suddenly pop out. The other members' eardrums bursting is a bonus...) Called Sergeant Deokgae. A closed-eyes character. Golden Retriever hybrid. Personality: Seems calm but is very cowardly.

Gender: Male Birth: 4/23 (Age 32) Rank: Lieutenant Relationship: Soohyun's senior MBTI: INTP Ability: Mechanic (Can dismantle locks or security devices; mainly called 'Ttoutta'.) Called Lieutenant Heugak. Personality: Sleeps a lot and is very lazy. Has a bit of a mischievous side.

Gender: Male Birth: 9/11 (Age 25) Rank: Sergeant Relationship: Deokgae's mentor MBTI: ESTP Ability: Encyclopedia (A type of photographic memory that pulls up information seen somewhere before) Called Sergeant Dino. Seems to like cookies. Personality: Mischievous, easygoing, and friendly

Team Leader of the Mystery Investigation Unit Gender: Female Birth: 12/28 (Age 30) Rank: Inspector Relationship: Close like siblings with Rather MBTI: ISTJ Ability: Profiler (reasons through crime scenes, analyzes differences in surroundings, and acquires numerous clues and physical evidence.) Called Inspector Sleepground. Personality: Mischievous and easygoing. Varies depending on the situation.

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