DK - 안아줘 (Hug Me) (Webtoon 'The Siren : Becoming the Villain's Family' X DK)
DK - 영원 (Eternity)
DK - 지난밤의 꿈처럼 (I Fall In Love) (OST Live your own life Part.4)
DK - 같이 살자 (Forever And Ever)
DK - 발걸음
DK - 심 (心) (Heart)
DK - 낯선 이별 (Strange farewell)
DK - Cherish (OST His Man)
DK - Closer (OST His Man)
DK - Hope For More (OST His Man)