[Video] Kim SaRang and Yoo Ah In collaborate for LG Optimus Black CF! #dkpopnews2 CFDKPOPNEWS OfficialMay 11, 2011 Share 0 comments Yoo Ah In and Kim Sarang collaborate for the latest LG Optimus Black CF.Check out the CF here,like this pairing? Tags: Cf, Kim sarang, Kpop, Video, Yoo ah in Share Previous articleNext article Leave a comment Name Email Content Post comment