Mai and Ai Amatsu are beautiful and powerful twin sisters descended from a Tennyo angel. However, part of this legacy includes fighting off sex-starved demons and protecting the child-like b... Read allMai and Ai Amatsu are beautiful and powerful twin sisters descended from a Tennyo angel. However, part of this legacy includes fighting off sex-starved demons and protecting the child-like boy Onimaro from evil forces.Mai and Ai Amatsu are beautiful and powerful twin sisters descended from a Tennyo angel. However, part of this legacy includes fighting off sex-starved demons and protecting the child-like boy Onimaro from evil forces.