• Female • Inspector (3rd year) • 27 years old • 165cm / 46kg • Profiling • Leader of the Mystery Investigation Unit • Cherishes her team members quite a bit • Highly trusted by the team • Charismatic • Indifferent yet kind • Intelligent • Extremely beautiful • Abbreviation: Inspector Park or Inspector Sleepground • Dislikes Han Yubin (but doesn't show it)

• Male • Assistant Inspector (4th year) • 32 years old • 182.4cm / 65kg • Mechanic • Lazy personality and a tsundere • Always looks tired and looks for coffee • Senior to Assistant Inspector Suhyun • The driver(?) of the Mystery Investigation Unit • Has no sense of direction • The "Ttut-ta" Mister(?) • Handsome with a decadent charm • Abbreviation: Assistant Inspector Kim or Assistant Inspector HeaGak • Dislikes Han Yubin (but doesn't show it)

• Male • Assistant Inspector (3rd year) • 31 years old • 186cm / 68kg • Eloquent Speaker • Kind and friendly • Nags a lot • Known as "Terror Mouth" (sharp-tongued) • Good at talking • Junior to HeaGak • Has rabbit ears and a tail • Very handsome • Abbreviation: Assistant Inspector Hwang or Assistant Inspector Suhyun • Dislikes Han Yubin (but doesn't show it)

• Male • Senior Patrol Officer (3rd year) • 25 years old • 176cm / 62kg • Action Leader • Active and kind • Likes exercising • The "Strongman" (named by Coa) • Close with Sleepground like siblings • Rides a motorcycle • Very handsome • People are scared of him because his face looks a bit fierce • Surprisingly soft-hearted • Abbreviation: Senior Patrol Officer Seo or Senior Patrol Officer Rather • Dislikes Han Yubin (but doesn't show it)

• Male • Senior Patrol Officer (2nd year) • 25 years old • 183cm / 66kg • Encyclopedia • Sly and kind • Playful • Quite intelligent • The "Brainiac" (named by Rather) • Ddeokgae's mentor (Senior) • Quite close with Ddeokgae • Enjoys eating cookies • Very handsome • Abbreviation: Senior Patrol Officer Jung or Senior Patrol Officer Coa • Dislikes Han Yubin (but doesn't show it)

• Male • Senior Patrol Officer (1st year) • 24 years old • 182cm / 65kg • Sixth Sense • Kind and friendly • A bit timid • Respects and admires Sleepground • Gets startled easily due to his heightened senses • Junior to Coa • Has puppy ears and a tail, usually has his eyes squinted • Handsome with a youngest-member vibe • Abbreviation: Senior Patrol Officer Park or Senior Patrol Officer Ddeokgae • Dislikes Han Yubin (but doesn't show it)

• Female • Senior Patrol Officer (6 months in) • 22 years old • 160cm / 66kg • No special abilities • Harsh towards women • Extremely kind and friendly towards men • Typical man-chaser, weak to the strong and strong to the weak • Acts like a fox and uses aegyo • Especially dislikes Guest and Sleepground • Has a somewhat chubby build • Especially crazy about handsome men • Abbreviation: Senior Patrol Officer Han or Senior Patrol Officer Yubin