Amnesia (기억상실증) ko
Appear (나타나) ko
Cali Shine (With Dok2) ko
Do You Know That? (Feat. Wonder Girls' Yubin) 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
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