The Villian Of His Own Story

One who was the hero , while one was the villain . Everyone adores the hero but nobody wants the villain . The hero was ready to sacrifice him , while the villain was ready to go in the depth of the hell for just to save him. whom he will choose like always the hero or this time the villain? Or the story was something . It's was not how everything was seems how a beautiful story turns into a nightmare story for someone. Or the villain was really the villian? Or someone else? The story where the Villian lost his everything to become his lover's hero.