Onigirl

Onigirls are a peaceful race of demons, yeah, i know hard to believe but they arent like demons who just want to kill, they just want to lead normal-ish lives, when the empire rises though all that changes, Darksky, the last free onigirl must gather an army and take on this empire and free her fellow onigirls, but there's a deeper cause to the empires rising than anyone realises