Didn't I Say to Make My Abilities Average in the Next Life?! Novel Volume 15 is written by FUNA with art by Itsuki Akata.

The Crimson Vow come face to face with yet another group of elder dragons, leaders among their kind, who come bearing an unexpected request. Then it’s off to a fluffy paradise: the village of the beastfolk! Even in this fuzzy-eared haven, villains come calling with wicked intent—but the Vow’s shining blades of justice always cut through the darkness of evil!