Every Tenant of the Beautiful Landlady Is a Cultivator

Five hundred years ago, the void suddenly shattered for some unknown reason, causing gateways to other worlds to open again and again! In an instant, the realms of demons, devils, and ghosts took over the entire world. Humanity fought back with everything it had, even unleashing its entire nuclear arsenal! Later, cultivators began appearing in great numbers, constantly battling the monsters and demons from other worlds! After three hundred years of war, the two sides finally entered a brief period of peace. To rebuild, humanity drew boundaries with the demon and devil realms, giving up the territories it had originally occupied. Fortunately, after this upheaval, the space where humanity lived expanded nearly tenfold. The amount of habitable space for humans did not shrink much, and actually grew somewhat! Another two hundred years passed, and humanity finally recovered, reaching the level of technology it had achieved five hundred years earlier. But under pressure from the many other races, human technology could make no further progress. The cultivation of the Dao, however, continued to flourish...