LUCY - GO
LUCY - 날씨가 미쳤어 (Crazy Weather)
LUCY - 못 죽는 기사와 비단 요람 (The knight who can't die and the silk cradle)
LUCY - Hey!
LUCY - 애정표현 (Expression of Love) (Our Secret Diary X LUCY)
LUCY - 찾았다 (I'll Find You) (OST Snap and Spark Part.1)
LUCY - Boogie Man
LUCY - Over The Christmas
LUCY - 가을안부 (Feat. Seo Do Yeol)
LUCY - 뜨거 (Hot)