Mid-19th century. The wolf clan once declined, but the demon clan became increasingly powerful. Before he died, the leader of the wolf clan told the four princes that he would not find a wolf girl in my lifetime and revitalize the wolf clan. You must find the wolf girl after my death and hold my wolf clan forever. One year after the death of the leader of the wolf clan, the demon clan suddenly attacked. The wolf clan disappeared without any preparation, and the demon clan ruled the other world... What will happen when the wolf girl appears a hundred years later...