f(x)_첫 사랑니 (Rum Pum Pum Pum by f(x)@Mcountdown 2013.8.8) HD

2013년 8월 8일 목요일 f(x)_첫 사랑니 Rum Pum Pum Pum by f(x)@Mcountdown 2013.8.8 Mnet Mcountdown airs every Thursday 6pm(KST) Enjoy live-streaming on http://www.mnet.com Wanna know more about your favorite K-pop artist? - Subscribe http://www.youtube.com/mnet - Follow http://www.twitter.com/MnetMcountdown - Like http://www.fb.com/MnetMAMA - Visit http://global.mnet.com