Always On Your Side (당신의 편이 되어 줄게요) ko
Amnesia (기억상실증) ko
Appear (나타나) ko
Cali Shine (With Dok2) ko
Do You Know That? (Feat. Wonder Girls' Yubin) ko
Fixed On You (초점) ko
Forever (영영) ko
I Love You (난 널 사랑해) ko
I Love You (사랑해요) ko
I Miss You (보고싶다) ko
I Will Go to You Like the First Snow (첫눈처럼 너에게 가겠다) ko
Juliana (줄리아나) (With Kirin) ko
Love Starts With A Confession (사랑의 시작은 고백에서부터) ko
Oneday (어느 날 어느 시간에) ko
Only You (오직 너만) ko
Pain Poem (서툰 시) (Feat. Kenzie) ko
People, Love (사람, 사랑) (With Lena Park) ko
Shattered (와르르) ko
Slow ko
Teardrop of My Heart (눈물나는 내 사랑) ko
True (진심) ko