Sold to a neighboring country by her former fiancé, Philia the saint has been hard at work protecting her new home--and the entire continent--from monster attacks. Just when it seems she might be in for some well-earned peace, however...magic-users across Parnacorta begin to disappear. A mysterious exorcist named Erza tells Philia that demons are behind the kidnapping--and that Philia is their real target! How will the too-perfect saint face this frightening new foe?