A thrilling sci-fi apocalypse + parallel universes + a well-grounded setting + the farther you read, the more exciting it gets
The protagonist isn’t a saintly pushover. He only grows stronger and stronger, becoming the king of civilization and leading humanity to refuse to bow to advanced civilizations. Women will throw themselves at him, too...
It takes place in the 2090s. Humanity has reached the brink of annihilation. An alien invasion? Families torn apart? What will become of humanity? How can the flame of civilization be kept alive?