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...!