4 Walls
f(x)
Hot Summer
f(x)
初智齿
f(x)
Chu~♡
f(x)
NU 예삐오 (NU ABO)
f(x)
X
f(x)
Electric Shock
f(x)
All Night
f(x)
匹诺曹
f(x)
Hot Summer (Japanese Ver.)
f(x)
屋顶着火
宋茜
纸心脏
f(x)
Ending Page
f(x)
어렵고도 쉬운
f(x)
来聊天 (LA chA TA)
f(x)
Red Light
f(x)
Goodbye Summer (f(Amber+Luna+Krystal) (feat. D.O. of EXO-K))
f(x), 도경수 (D.O.)
Dracula
f(x)
Mr. Boogie
f(x)
Dangerous
f(x)
All Mine
f(x)
COWBOY
f(x)
Airplane
f(x)
MILK
f(x)
星星泪
宋茜
Nu Abo
f(x)
4 Walls(FRNK Remix)(2015MAMA)
f(x)
4 Walls(250 Remix)
f(x)
Sorry (Dear. Daddy)
f(x)
Lollipop
MIC男团, f(x)