The Doomsday Journey Back from Another World

Ten years after I traveled to another world, I finally returned to Earth as the strongest magician in the other world. But now the earth has become a doomsday purgatory. The alien virus on the falling meteorite has turned the earth into a hell full of terrifying zombies. How should humans live in this terrifying new world? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.