The First Night With the Duke / Taking the Male Lead's First Night / I Took the Male Lead · 남주의 첫날밤을 가져버렸다 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) 
