In the vast and boundless universe, there are countless intersecting planes. The long time and the vast space have created countless splendid civilizations. And in this universe, there is a group of special and extremely powerful beings. They are collectively called "Star Wanderers". They were once the best in various civilizations. Countless years have made them unparalleledly powerful. For that legend, their footprints have traveled to every corner of the universe, looking for new civilizations one after another, just for their ultimate goal...