A certain reader becomes the villain of his favorite novel, and tries to survive using his new status and future knowledge. He destroys deathflags while forging new relations in a fantasy world.
This is not his story.
This is the story of the villain, who's soul is suddenly punted out of his body, and soon finds himself inhabiting the body of a commoner. What he doesn't know however, was that he was inhabiting the body of the story's protagonist.