The prince of Szak territory, Iska, was misled and inadvertently released an ancient monster, Nue, while stealing the katana that had sealed it for 400 years! The first victim of the monster is the father of Iska!

Because of her act, Iska is also cursed by an evil power… In order to make up with her mistake, Iska will embark on a dangerous journey with the stolen katana, and chase Nue until the end of the world and to have him paid for his sins.

The legends tell that the only weapon, which can kill Nue, is the famous katana “Yukihira” which was manufactured by a demon of Temma clan. In this first volume, Iska will try to find their village in order to learn more about Nue…