Entertainment and culture that began with Operation Red Sea

The protagonist was transported to another world due to a plane crash. Years later, he discovered that this was a world that combined various films, TV series, animations and novels. At that moment, he thought he had mastered the code to wealth. It was not until he met an old guy named John Price that he broke out in a cold sweat and found that the world was repeatedly leaping on the verge of nuclear war. I can't keep writing anymore. It's just that I have no books to read. I'll try writing one myself.