SANDEUL - Butterfly
Sandeul - 너는 계절처럼 멀어져 가네 (You're leaving like the season) (OST CASTAWAY DIVA Part.9)
Sandeul - 내 기억 속에 남아 있는 그대 모습은 (The Image of You (Remains in My Memory)) (OST Hometown Cha Cha Cha Part.6)
Sandeul - 그대 한 사람 (The One and Only You)
Sandeul - More Than Words
Sandeul - 시작되는 연인들을 위해 (For Couples Who Just Met) (Feat. Kang Min Kyung of Davichi)
Sandeul - 만져져 (I Feel You) (OST She Would Never Know Part.2)
Sandeul - Dark Tales
Sandeul - 어른 일기 (Adult Diary) (OST START-UP Part.10)
Sandeul - 여름날 여름밤 (Summer Day Summer Night)
