130727 f(x) = MBC Music Core – Ulsan Summer Festival [3] | 24P On July 31, 2013August 2, 2013 By hearteumiIn f(Amber), f(Krystal), f(Luna), f(Sulli), f(Victoria), Photos Credits as tagged~ DO NOT EDIT Share this:TwitterFacebookTumblrMorePinterestPocketWhatsAppLike this:Like Loading... Related