- f(x) - 12点25分
- f(x) - Electric Shock
- f(x) - NU 예삐오 (NU ABO)
- f(x) - 像狐狸的朋友
- f(x) - 어렵고도 쉬운
- f(x) - Jet
- f(x) - Diamond
- f(x) - Airplane
- f(x) - Beautiful Stranger (by f(Amber+Luna+Krystal))
- f(x) - 蝴蝶
- 洛天依Official - 生活是正弦函数但我还活着
- f(x) - 来聊天 (LA chA TA)
- f(x) - 匹诺曹
- f(x) - Red Light
- f(x) - 匹诺曹
- f(x) - 信号
- 洛天依Official - Life Is A Sin...?
- f(x) - Love Hate
- f(x) - Let’s Try
- f(x)/도경수 (D.O.) - Goodbye Summer (f(Amber+Luna+Krystal) (feat. D.O. of EXO-K))