ONEMOREDAY, MUL - [bird box] 볼 수 없는, 보고도 말할 수 없는 [Credit] Produced by ONEMOREDAY Composed by ONEMOREDAY, MUL Arranged by ONEMOREDAY Lyrics by MUL Album Art by Yi Kyung Mixed by 정민석 @ GENUINE PRODUCTION Mastered by 홍시만 @ GENUINE PRODUCTION Thanks to FLIP BASE, SCARY'P