Amidst the chaos of the Fourth Great Ninja War, Sasori of the Red Sand met his end in a fierce confrontation with Kankurō. As he felt the grasp of death tightening around him once again, Sasori's consciousness was unexpectedly whisked away to a realm beyond his comprehension.

Suddenly finding himself in the world of Demon Slayer, Sasori faced a reality vastly different from the shinobi battles he was accustomed to. In this strange new land, populated by demons and demon slayers.

Now, thrust into a world of unfamiliar adversaries and unknown dangers, Sasori must adapt quickly if he hopes to survive and thrive in this new era of challenges and conflicts. With his cunning intellect and unparalleled skills as a puppet master, he sets out to carve his own path in this mysterious realm, determined to leave his mark amidst the chaos of the Demon Slayer universe.