Spice and Wolf, Vol. 1 (light novel)

Lawrence Craft has been walking the lonely path of the itinerant merchant for seven years. His life changes forever when he meets Horo, the Wolf-God of the harvest and the two begin travelling together.

Soon they discover a unique opportunity to exploit the depreciating silver currency of thethe kingdom of Trenni but their plans go awry when a competing organisation captures Horo and threatens to turn her over to the oppressive religious faction. Lawrence rescues her but in the course of the rescue, Horo is forced to transform into her terrifying tru wolf-form.

The two continue their travels with a much better understanding of each other than when they began.