Young K (DAY6) - 나비 (Butterfly) (OST CASTAWAY DIVA Part.2)
Young K (DAY6) - With You
Young K (DAY6) - 오늘만을 너만을 이날을 (waited)
Young K (DAY6) - 이것밖에는 없다 (nothing but)
Young K (DAY6) - let it be summer
Young K (DAY6) - 꿈꾼 (Dreamer)
Young K (DAY6) - Bungee Jumping
Young K (DAY6) - natural
Young K (DAY6) - STRANGE
Young K (DAY6) - SOUL (Feat. CHOILB)