Tsuihou Seijo no Kachiagari Life

Fifteen-year-old Shina lost her parents when her village was attacked by monsters when she was ten. She was taken in by a church where it was discovered that she was a rare user of holy magic and possessed extraordinary magical power. She was recognized as a saint of the Kingdom of Dido and became engaged to Prince Lector, but her engagement was broken off due to a false accusation. The shock of this event caused her to regain memories of her past life, and she gained a life of freedom! This is the success story of the banished strongest saint!

(Source: Shonen Gahosha, translated)