Tsuihou Joutou! Tensai Seijo no Watakushi wa, Doko de Darou to Kagayakemasu no de.

Meteor, who was hailed as a genius and became the chief saint at the age of 18, receives an order to be demoted. Freed from the burden of supporting the Central Temple alone, Meteor sets off on a journey with a smile of joy. Along the way, she meets the knight Lionel and sets out on a journey to save people. Although their first meeting was a terrible one, the two gradually grow closer...

The strongest banished saint saves the entire world!? A thrilling heroic fantasy!

(Source: Kadokawa, translated)