Onimotsu to Yobareta Tensei Hime wa, Shoukan Yuusha ni Koi wo Shite Seijo ni Narimashita

In a kingdom where magical power is equal to the power to rule, Reya was reborn as a princess with no magic, and is forced to live her life in the shadows. However, when it was discovered that she has the same purifying power as a legendary saint, she is recruited to help the powerful hero, Kazuya,