Since the beginning of the world, the human world, the fairy world, the demon world, and the demon world, the four realms have been hierarchically ordered. However, they do not know the vastness of the universe, the many races of civilizations in each star field, extraterrestrial battlefields, alien battlefields, resource plundering, and racial wars. Let's see the protagonist lead the human race out of the predicament, go to the universe, develop the human race, and strengthen the human race.
Good novel