Rachel only became the fiancée of the Prince due to her high magic power. That’s why when the Saint appeared, she feared that her position would be taken away from her.
Gyakkou Shita Akuyaku Reijou wa, Naze ka Maryoku wo Ushinattanode Shinsou no Reijou ni Narimasu
Gyakkou Shita Akuyaku Reijou wa, Naze ka Maryoku wo Ushinattanode Shinsou no Reijou ni Narimasu