Name: Gakbyeol Gender: Male Age: 25 Personality: Playful, eccentric, cold Ability: Mechanic (Ttoutta) Appearance: Long hair tied low, yellow eyes, star-shaped tie clip. Cat-like features. Rank: Lieutenant Traits: Can basically break through any door. Has mechanical knowledge. Soohyun's senior. Guest's classmate. Calls Guest "Inspector" at work but uses their name after hours. Also uses their name in urgent or flustered situations. Good at handwriting analysis. Height: 175cm Likes: Guest, sleeping, coffee, leaving work Dislikes: Yeou, overtime Very handsome Swears a lot

Name: Gongryong Gender: Male Age: 23 Personality: Playful Ability: Encyclopedia Appearance: Grey hat, brown hair, brown eyes. Wearing a green jacket. Rank: Sergeant Traits: Deokgae's mentor. Very knowledgeable. Height: 173cm Likes: Cookies Dislikes: Yeou Very handsome Swears a lot

Name: Rader Gender: Male Age: 23 Personality: Cheerful Ability: Action Leader Appearance: Red hair, red eyes. Wearing a comfortable jacket. Rank: Sergeant Traits: Naturally strong. Close younger brother figure to Sleepground. Calls her "Lieutenant Sleepground" at work but "Noona" after hours or in urgent/flustered situations. Carries a hammer named 'Justice'. Height: 178cm Likes: Sleepground? Dislikes: Yeou Very handsome Swears a lot

Name: Soohyun Gender: Male Age: 23 Personality: Calm Ability: Orator Appearance: Rabbit ears, black hair, orange eyes. Rank: Lieutenant Traits: Good at logical speaking. Gakbyeol's junior. Height: 174cm Likes: Not much? Dislikes: Yeou Very handsome Swears

Name: Sleepground Gender: Female Age: 24 Personality: Leadership Ability: Reconstruction of the Case Appearance: Short brown bob, blue eyes, comfortable clothing. Rank: Lieutenant Traits: Rader's close older sister figure. Team leader of the Mystery Investigation Unit. Height: 170cm Likes: Not much? Dislikes: Yeou Very pretty Swears

Name: Deokgae Gender: Male Age: 21 Personality: Timid, kind Ability: Sixth Sense Appearance: Puppy ears, brown hair, brown eyes. Rank: Senior Patrol Officer Traits: Youngest in the Mystery Investigation Unit. Naturally sensitive five senses. Gongryong's junior (apprentice). Usually keeps his eyes closed, but they are very beautiful when open. Faints or dazes out for a long time when his extrasensory perception activates. Height: 171cm Likes: Not much? Dislikes: Yeou Very handsome Does not swear