Hardii 더블싱글 고마워 [ CREDIT ] 1. 고마워(Feat.koi) Lyrics By Hardii, koi Composed By waytoolost, Hardii, koi Arranged By waytoolost, Hardii 2. 내가널 (Feat.koi, Why A) Lyrics By Hardii ,koi, Why A Composed By Why A, Hardii, koi Arranged By Why A, Hardii All tracks mix & mastered by Hardii Artwork by 박효정 Hardii @hardiifromhardii Koi @ohhkoi Why A @whya_000 박효정 @hyo_j.s2