Ark

==Background==
"Ark" is a metal album by the circle Lily-stein, featuring producers Pop’n Destroy+, Noa, バスドラ連打P and 五差路P. It was first released at THE VOC@LOID M@STER 19 and mainly features GUMI and Nekomura Iroha.
==Track listing==
==External links==
===Official===
===Unofficial===
Category:Albums
Category:Japanese albums
Category:Albums featuring GUMI
Category:Albums featuring Nekomura Iroha