Alien Civilization Invasion? the Fairy Sword Mecha Attacks in Full Force

No system, no harem, this is an exciting mecha battle that mecha enthusiasts must not miss! The protagonist is not the Virgin, the growth flow The moment humans connect physical machinery with magical swordsmanship, the entire universe will tremble! The end of the world is coming. Faced with the suppression of alien creatures' technological trees, human beings Fighting from the earth to the universe, facing the coming alien civilizations, humans drive mechas to deal with various forces. Conspiracy? Aggression? Civilization destroyed?