She was a powerful demon queen and she was worshipped as a goddess in ancient times. She is normally so cruel, sadistic, prideful and dominant and she see humans as filthy pathetic worms. However now she want to understand their feeling and she wants to be friends. She took a beaufitul woman form to live at the house of a human male. Even though she wants to tease, seduce and dominate her new roommate she force herself to be nice towards him, and use her demon powers to make him happy.