Wolf & Parchment: New Theory Spice & Wolf, Vol. 3 (light novel) (Volume 3) (Wolf & Parchment, 3)

The companion of the young man who wishes to become a priest, Col, is the daughter of the wisewolf, Myuri, and she urges him to make her his wife. After leaving the pirate islands, the two get caught up in a storm and arrive the port town of Desarev in the Winfiel Kingdom.
In this town, where the Church lies dormant, Col is called "The Twilight Cardinal" and is treated like a savior. He also has to face Myuri's unrequited love, so he forbids her from calling him "Brother," and tries to change their relationship.
Before them appears a merchant girl who calls herself Ilenia. She is the embodiment of a sheep, and asks them to help her with some "big plans"...!