At the edge of the world, there lived a mage known as the “Lone Demon King.” Though he was an ageless being, the villagers cherished him like a guardian spirit. But a powerful magic organization, fearing his existence, hunted him down and destroyed him.
Two centuries later, he is reborn as the second son of a noble family, inheriting the strongest magical abilities. This time, he decides to blend in—”I’ll just act like a human,” he thinks. Unlike what one might expect, he holds no grudge or desire for revenge. After all, he always had a soft spot for humanity.
In his past life, he was a revered protector of the land. Now, as a nobleman, he struggles with the simplest human customs—relaxing isn’t something he knows how to do. Despite this, his family and friends adore him, and within the magic guild, he’s recognized as a master of the arcane. Yet behind the scenes, whispers begin to spread—of an “Immortal Mage” walking among them once more.
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