The iDOLM@STER - inferno

inferno is a song that originally appeared in THE iDOLM@STER MASTER LIVE 04. It was sung by Chihaya Kisaragi and Yukiho Hagiwara on that album.
It was later placed on THE iDOLM@STER MASTER SPECIAL 03 as a solo by Chihaya Kisaragi.