102가지 ko
Because of Me ko
Black and White ko
Both of Us ko
Carry On ko
Don't Act Countrified / Don't Act Foolish (촌스럽게 굴지마) (Feat. Jun Hyung of BEAST) ko
Don’t Speak (With CHEETAH) ko
Flower Through The Rock ko
For Less Than A Month (한 달을 못 가서) (With Paul Kim) ko
Goodbye Mr. Kim (feat. LE of EXID) (잘가요 Mr.Kim) ko
Hurt ko
I Love You, I’m Sorry (사랑한다 미안해) ko
I, To Me ko
Island ko
It was you (너였나 봐) ko
Lovers (연인) ko
Music Can’t Lie ko
No Way (말이되니) ko
Only You (너만) ko
PUNGPUNG (펑펑)/Cry ko
Revenant (악귀 (惡鬼)) ko
Shining Is Blue With 유준상 (J n joy 20) ko
Silver Bells en
Songs Can’t Lie ko
The Vow (서약) ko
What is LUV (Feat. Loco) ko
Winter WonderLand en
You Are not Here (너만 없다) (With Yesung) ko
돌 틈 꽃 ko
또 생각이 나서 (With Lim Chang Jung) ko
회로 (With Sohyang) ko