seoseo (서서) [Sleepless night] 잠 못 드는 밤을 보내는 모두에게. [CREDIT] Composed by seoseo @seoseo1006, Jay dot Lyrics by seoseo Arranged by Jay dot Chorus by seoseo, 황다빈 Mixed& Mastered by 장태인 @ih_sound Artwork by 서지원