Day And Night
Day And Night from Masters Sun by Gummy.
You & I
You & I from Temptation OST by Lena Park .
Here I Am
Here I am from Secret Garden (시크릿 가든) OST Special by 4MEN & (美).
Eternal Love
Eternal Love from Healer OST by Michael Learns To Rock. Released: 2015.
Tears Fall
Tears Fall from Angel Eyes OST by Kim Tae Hyun.