Tanjiro and Nezuko Kamado's entire world was taken from then on a snowy day in the mountains. And it seems the monster responsible is plotting to do the same again, but this time, to the people from a world of magic, witches, and monsters different from those of their own world. One ruled by a cold tyrant, and one far too similar to that nightmarish demon. A new dance begins.

In hindsight, with how things always took a turn for the strange in his life, he should've expected that a trip to promote his game would end up with him in a town somewhere deep in Oregon, and dealing with supernatural threats. Both new ones, and ones he was deeply familiar with. And whatever games those in the shadows expected him to play, he'd win them all. It's time to duel!