거울 반대편에 서있던 나의 지난 모습은 어떤가요? 반대편에 있는 당신은 어떤 춤을 출껀가요 [CREDIT] 1. Lyrics by U:SE Composed byU:SE Arranged by U:SE 2. Lyrics by U:SE&홍주 Composed byU:SE Arranged by U:SE MIX by U:SE MASTREING by 홍시만