In a time when demons rule the world and mankind seeks freedom, human rebels gain control of the demon-slaying sword Tenmaken and attempt to assassinate the Demon King Janus. To preserve the sovereignty of her homeland, the half-human, half-demon Princess Hiro must overcome her deep hatred of the humans or face a war that will ravage the entire world! (Source: AniDB)

Holo is a powerful wolf deity who is revered in the small town of Pasloe for blessing the annual harvest. Yet as years go by and the villagers become more self-sufficient, Holo has been reduced to a mere folktale. When a traveling merchant named Kraft Lawrence stops at the settlement, Holo offers to become his business partner if he takes her to her northern home of Yoitsu. The savvy trader recognizes Holo's unusual ability to evaluate a person's character and accepts her proposition. Now in the possession of both sharp bargaining skills and a charismatic negotiator, Lawrence inches closer to his goal of opening his own shop. However, as Lawrence travels the countryside with Holo in search of economic opportunities, he begins to realize that his aspirations are slowly morphing into something unexpected.

Ayumu Narumi has lived all his life in the shadow of his famous detective brother, Kiyotaka. However, Kiyotaka disappeared two years ago, leaving behind his wife Madoka and Ayumu himself, along with a cryptic message about the Blade Children. One day, a girl at Ayumu's school suddenly dies. What seemed like a suicide at first glance turns out to be a murder, and Ayumu is the prime suspect. While investigating the person responsible for framing him, he discovers that the mysterious Blade Children are involved—and they somehow know Kiyotaka personally. Ayumu soon finds out just how dangerous the Blade Children are and learns that, in reality, he and Kiyotaka are intertwined more closely than he had ever believed.

Traveling merchant Kraft Lawrence continues his northward journey with wolf goddess Holo, in search of her lost home of Yoitsu. Lawrence and his sharp-witted partner continue to make some small profits along the way, while slowly uncovering more information about Holo's hometown. However, the road to Yoitsu is a bumpy one filled with many troubles—Lawrence runs into a charming young fellow merchant who has his eyes set on the female wolf companion, and he begins to doubt if Holo will remain by his side; he and the goddess will also have to consider precarious and risky business deals as Lawrence strives to achieve his dream of becoming a shopowner. All the while, with his determination tested at every turn during his journey, Lawrence must question his relationship with Holo, take on business ventures, and ask himself whether it is time for him and Holo to go their separate ways.