Closer Than This Produced by GHSTLOOP, Ayo the Producer, Kofo (GHSTLOOP, Ayo the Producer, August Rigo, Pdogg, Jimin, EVAN, Kofo, Shanks) Keyboard – GHSTLOOP Synthesizer – Ayo the Producer, GHSTLOOP Guitar – Kofo Background Vocals – August Rigo, 연음소년소녀합창단 (손이안, 양진하, 이지윤, 정지우, 한주원, 홍유나) Vocal Arrangement – GHSTLOOP, Pdogg Recording Engineer – GHSTLOOP @ Dogg Bounce Ayo the Producer @ Hidden Sound Studios Kofo @ Hidden Sound Studios Digital Editing – GHSTLOOP, Pdogg, EVAN Mix Engineer – David Yungin Kim @ Chalice Recording Studio