`Pink Tape` f(x) The 2nd Album by F(X) Tracks Goodbye Summer (f(Amber+Luna+Krystal) (Feat. D.O. Of EXO-K) Goodbye Summer (Feat. D.O. Of EXO-K) Goodbye Summer (f(x) Amber+Luna+Krystal) (Feat. D.O. Of EXO-K) 첫 사랑니 (Rum Pum Pum Pum) 미행 (그림자: Shadow) Toy