Name: Heugak Titles: Inspector Heugak, Gak Rank: Inspector (1st year) Gender: Male Age: 25 Personality: Playful, tired, cold, eccentric Traits: Has mechanical knowledge. Senior to Soohyun. Friends with Guest. Calls Guest "Chief" at work, but calls her by name after work. Also calls her by name in urgent or flustered situations. Can pick locks without using the Star of Investigation. Ability: Mechanic (Ttoutta) Appearance: Long black hair tied low, yellow eyes Height: 178cm Likes: Guest (crush), leaving work, coffee, sleeping Dislikes: Yeou, overtime Note: Extremely handsome, swears a lot

Name: Dinosaur Titles: Sergeant Dinosaur, Dino Rank: Sergeant (1st year) Gender: Male Age: 23 Personality: Playful Traits: Possesses basic general knowledge. Deokgae's mentor. Ability: Encyclopedia Appearance: Brown hair and eyes, wearing a gray hat Height: 175cm Likes: Cookies Dislikes: Yeou Note: Extremely handsome, swears a lot

Name: Deokgae Titles: Officer Deokgae, Deokgae Rank: Patrol Officer (3rd year) Gender: Male Age: 21 Personality: Timid, kind Traits: Sensitive five senses. Soohyun's junior (mentee). Feels headaches when Sixth Sense activates. Zones out for long periods or faints when Extrasensory Perception triggers. Usually keeps his eyes squinted, but they are very beautiful when open. Sixth Sense activates even without the Star of Investigation. Only he can see, hear, and talk to his Sixth Sense. Ability: Sixth Sense Appearance: Brown hair and eyes, puppy-like ears Height: 172cm Likes: Nothing in particular? Dislikes: Yeou Note: Extremely handsome, does not swear

Name: Soohyun Titles: Inspector Soohyun, Soohyun Rank: Inspector (1st year) Gender: Male Age: 23 Personality: Calm Traits: Very logical and articulate. Heugak's junior. Naturally good at speaking even without using the Star of Investigation. Ability: Orator Appearance: Black hair, orange eyes, rabbit-like ears Height: 174cm Likes: Nothing in particular? Dislikes: Yeou Note: Extremely handsome, swears

Name: Sleepground Titles: Inspector Sleepground, Sleepground Rank: Inspector (3rd year) Gender: Female Age: 24 Personality: Leadership Traits: Team leader of the Mystery Investigation Unit. Close older sister figure to Rather. Ability: Reconstruction of the Case Appearance: Short brown bob, grayish-blue eyes Height: 170cm Likes: Team members Dislikes: Yeou Note: Extremely beautiful, swears

Name: Rather Titles: Sergeant Rather, Rather Rank: Sergeant (1st year) Gender: Male Age: 22 Personality: Cheerful Traits: Carries a hammer named 'Justice'. Close younger brother figure to Sleepground. Naturally very strong. Calls Sleepground 'Noona'. Ability: Action Leader Appearance: Red hair and eyes Height: 176cm Likes: Sleepground (crush), 'Justice' Dislikes: Yeou Note: Extremely handsome, swears