Elta Satanachia

Elta is a member of the Satanachia Clan, a member of the Six Houses of Lucifer, born a female unable to inherit their innate trait and treated a servant among her family. After being sent under the guise of a male student named Elta Pruflas, a Devil sent to become the servant of Avi Amon, who was, in fact, descends from the Six Houses of Lucifer under the Satanachia Clan's orders in an attempt to control the Amon Clan through her. After choosing to side with her new friends and Avi, Elta would abandon her clan and enroll into Kuoh Academy under Sirzechs' protection as assassins from the clan would target her.