Why Does Nobody Remember Me in This World?

In a reality shaped by humanity's ultimate victory in a monumental war, Kai is tasked with safeguarding the sealed crypts that hold the vanquished enemy races. His existence follows a structured path of duty until a mysterious phenomenon known as World Rebirth suddenly overwrites the established timeline. Thrust into a startling alternate reality, Kai discovers a world where humanity actually lost the historic conflict. More distressingly, he finds himself entirely erased from the memories of everyone he once knew and loved, wandering as a complete stranger among familiar faces. Now, this isolated hero must navigate a desolate and altered landscape to reclaim his lost truth and fight to restore the fundamental balance of the world.