Princess Leonora is a one-of-a-kind healing saint.To make it seem like she is, Eda, the maid who secretly heals people with her miraculous powers, falls apart from overusing her powers. What's more, she was cut off by Leonora, whom she loved like a sister, and thrown into the water!? She thought she was already dead, but... She was rescued by mercenary Glow and his friends from a large country, and they invited her to return as a true saint!?I'm sorry, saint and maid! I'll become an "evil woman" and destroy this country!! Comicalize the popular works of “Ichijinsha Bunko Iris”!A love fantasy about a real saint who wants to become a bad girl!!