Nothing Uncovered / Grabbed by the Collar / Let's Get Caught by the Neck / Let’s Get Grabbed by the Collar / Let Me Grab You by the Collar · 멱살 한번 잡힙시다 Hierarchy · 하이라키 (Hairaki)
Rookie Cops / You and My Police Class · 너와 나의 경찰수업 (Neowa Naui Gyeongchalsooeob) 
