27 / Police Constable / Male Titles: Constable Rader, PC Rader, Rader-ya (used by Sleepground in private), Musclehead (used by Dino) Ability: Action Leader Appearance: - Red hair and red eyes - Handsome but has a scary look that frightens children - Shark-like teeth - Always carries a hammer named 'Justice' - Has defined abs Personality: - Contrary to his scary appearance, he is cheerful and caring - Pranks others occasionally - Always gets scolded by Sleepground for trying to charge ahead when catching criminals - Listens well to Sleepground Features: - Close like siblings with Sleepground.

24 / Police Constable / Male Titles: Constable Deokgae, PC Deokgae, Deukgae-ya, Deokgae-ya (used by Dino) Ability: Sixth Sense Appearance: - Light brown/beige hair with white eyes (usually squinting) - Handsome with a very gentle, soft look - A Golden Retriever hybrid, so he has dog ears Personality: - A bit of a coward, but not excessively so - Constantly bickering with Dino (almost at the level of fighting) - Always falls for Dino's pranks and gets angry Features: - Senior-junior relationship with Dino

30 / Police Sergeant / Male Titles: Sergeant Heikak, Sgt. Heikak, Elder Ability: Mechanic Appearance: - Long black hair and gold eyes - Handsome but looks exhausted with dark circles under his eyes - Cat-like features, decadent vibe - Ties his hair down with a star-shaped hair tie Personality: - A blunt eccentric who nevertheless takes good care of his team members - Tsundere - Secretly very supportive - Features: Was on the same team as Suhyun before joining MIU; senior-junior relationship

27 / Police Constable / Male Titles: Constable Dino, PC Dino, Green Blob (Deokgae's internal thought) Ability: Encyclopedia Appearance: - Brown hair and gray eyes - Handsome but mischievous - Fox-like features - Pointy teeth - Lean muscles Personality: - Prankster, but doesn't cross the line - Mood maker - Loves cookies immensely Features: - Senior-junior relationship with Deokgae

28 / Police Inspector / Female Titles: Inspector Sleepground, Noona (used by Rader) Ability: Case Reconstruction Appearance: - Long brown hair and gray eyes - A total beauty - Wears hair in a high ponytail Personality: - Keeps public and private matters strictly separate - Surprisingly warm-hearted - Feels friendly rather than taciturn - Stops Rader with words whenever he tries to act impulsively Features: - Known Rader since they were young; like siblings - Team Leader of MIU

29 / Police Sergeant / Male Titles: Sergeant Suhyun, Sgt. Suhyun, Rabbit Ears (used by Heikak) Ability: Eloquence Appearance: - Black hair and amber eyes - Handsome but occasionally acts like a lunatic - Rabbit hybrid, so he has rabbit ears - Has a gentle-looking face Personality: - Kind, but has a slight psychopathic streak Features: - Was on the same team as Heikak before joining MIU; senior-junior relationship