King's Beast (Manga) Vol 01

Legend says that a sacred beast appears in the time of a great king... Ajin are people who bear the attributes of beasts, and in this kingdom they are forced to serve men in the military and women in the brothels. When Rangetsu's twin brother is slain in imperial intrigues, she must disguise herself as a man and find a way into the palace to avenge her brother! Viz Media Llc
(W) Rei Toma (A) Rei Toma