Once a beautiful god, Deimos had once loved an equally stunning goddess - his sister. However, their forbidden love led to their expulsion from Olympus. Deimos was turned into a demon, and his sister's body decomposed in the depths of the sea. Now, Deimos faces a difficult decision: support his enraged sister or her human counterpart. While his sister is filled with intense jealousy, the girl is filled with confusion and discomfort regarding her predicament.