Nasty Nasty’s ‘Knock’ Is Much Better Than Trouble Maker’s Last Single

nasty nasty knock Trouble Maker's self-titled debut was about as fierce and fly as you can get, but that whole "Now" thing was pretty lame outside of Queen HyunA. (Could anything ever be more embarrassing than Hyunseung running around pretending to be Sid Vicious?) Luckily for those of us mourning the lack of good co-ed groups in K-pop, Nasty Nasty has come along to fill the gaping hole in our hearts (and other places) with their sexy debut single "Knock."