In the Eden Brozue Empire, the peace of the nation is guarded by a saint named Bethcherian. But who could have thought the next Bethcherian would be a five-year-old girl from the slums? Despite facing doubts and cold looks from narrow-minded people who refuse to accept someone from a humble background as their saint, the newest Bethcherian tries hard to adapt to her new life. Armed with determination, can this young saint successfully become the empire's proud guardian?