The abused merchant’s daughter gains the power of a saint and unknowingly and mercilessly strikes back (Associated Names)

After the death of her parents, Sonia was taken in by her mother’s sister and her husband. 　But what awaited her there was a life of severe abuse and confinement. 　One day, after years of such confinement. There is a notification from the castle that the priests are coming to look for the saint. 　The…