The Too-Perfect Saint: Tossed Aside by My Fiance and Sold to Another Kingdom

Philia, a member of a family famous for their saintly lineage, is the most powerful saint of all time. However, her exceptional abilities also make her come across as insufferable to many people, including her fiancé, who unexpectedly breaks off their engagement. He then sells her to a neighboring kingdom that desperately needs a saint, leaving Philia to prepare for her new life.