Because I Love You (슬픔 속에 그댈 지워야만 해) ko
Don't Push Me (밀지마) (Ballad Version) (With Seulgi) ko
Don’t Push 밀지마 (Original Ver.) ko
Goodbye ko
Have Yourself A Merry Little Christmas (With Jay JungJae Moon & Nile Lee) en
I Can Only See You (너만 보여) (With Seulgi) ko
Let You Know (아나요) ko
Return (리턴) (feat. Yook Ji Dam) ko
Written In The Stars (With John Legend) en