A peaceful village is torn apart by a devastating betrayal. Consumed by a burning desire for vengeance, Yamato—a young, white-haired warrior wielding the legendary black blade, Kurunomi—embarks on a ruthless, solitary war. To protect the bonds that remain and to tear down the dark organization from its very roots, he must plunge himself into a battlefield where only steel speaks. Will his blade bring salvation, or will the darkness swallow him whole?