Starcall from f(x) Krystal and Amber! F(X)成员KRYSTAL及AMBER的STAR CALL！

Greetings from F(x) members Krystal and Amber!
Krystal is greeting the fans while Amber appears in and out of the camera!

f(x)成员Krystal及Amber录制了Star Call视频，快来看看视频内容吧！