The roots of the 48 magic swords scattered across the world and the legend of a hero, long dismissed as a tall tale, were intimately connected.

This is the story of a single boy entangled in the infighting, conspiracies, ambitions, and machinations among four groups involved in dragon slaying.

※This story is set approximately 300 years before Mushoku Tensei, but please be aware that there are many differences in the settings.