I’m an Old Man although I’m a Saintess

I’m an old man although I’m a Saintess.

I know you don’t quite understand what I’m talking about, but I don’t know what it means either.

Born and raised in a poor village in the middle of nowhere, Zeph never left his village. One day, a temple knight in fine clothes came to Zeph’s village. He said that he came to look for a Saintess who could not be found for years. Zeph also ended up having to undergo an appraisal, but the result he got was really unexpected. 

This is a story about a tired old man who accidentally becomes a Saintess, and a beautiful knight who is pushed around by the old man.