Nise Seijo!? Mira no Boukentan - Tsuihousaremashita ga, Jitsu wa Saikyou na no de Second Life wo Tan

Because her fiancé, the crown prince, has found a new saint, Mira is called a "fake saint" and is banished and her engagement is called off at the same time. Surprised by this sudden turn of events, Mira asks Raul, a swordsman she met at the adventurers' guild, to escort her on her journey back to her homeland. During her journey, Mira realizes that her magic is stronger than she had ever realized. Furthermore, as she forms a bond with the swordsman, her extraordinary "saintly powers" come into play...?