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Why Does Nobody Remember Me in This World?

Why Does Nobody Remember Me in This World?

なぜ僕の世界を誰も覚えていないのか?

Kai Sakura Vento is a soldier tasked with guarding the sealed pyramids that hold the armies of four powerful races—angels, demons, undead, and humanoid beasts—defeated long ago by humanity's champion, Sid. One peaceful day, while spending time with his friend Jeanne, the world is suddenly overwritten by an event called "World Rebirth," transporting Kai to an alternate reality where humanity lost the war and is nearly extinct.

In this new world, Kai is a complete stranger: everyone he knew, including Jeanne, has forgotten him. Determined to understand what happened, he discovers a mysterious girl named Rinne trapped inside a pyramid and inherits Sid's legendary sword, Codeholder. Together with Rinne and the local resistance led by Jeanne, Kai must uncover the cause of the reality alteration and fight to restore balance to the world.

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