Reloaded into the Other World

Sihan Seong, an Earthling boy who saved another world from a tyrant. Wealth, honor, a beautiful lover. He thought the story ended with a happy ending, but the price was a brutal banishment back to Earth. And ten years later. "I'm back! You bastards!" The story of a hero who once saved the world re-entering another realm.

(Source: Chungeoram, translated)