The Redemption of Claynen Kayllien

It's the story of a human imperial prince named Claynen Kayllien, who in his past life was Adolf Hitler. It shows how Claynen regrets his dark past and progresses mentally from infancy to adulthood in the imperial family of the Empire of Kayllien. He becomes a multicultural leader who respects all cultures, eventually ruling his father's empire in a world without magic but filled with dwarves, elves, goblins, orcs, and other mystical beings.