A Tale of the Secret Saint (Light Novel), Vol. 22019

Fia finally achieved her dream of becoming a knight, and was even assigned to the prestigious First Knight Brigade! But her unusual feats of strength and magic are already attracting unwanted attention. Keeping her saint powers a secret is proving harder than expected. Now, a black dragon has been sighted in Starfall Forest, and Fia is sent on a mission to find it...but does this black dragon have anything to do with her familiar, Zavilia?