Global Weirdness: My Sister Turns Out to Be a Weirdo

Strangeness has descended on the world, and human civilization has been shattered, leaving only thirteen cities. Can Bai Xin, who awakened the ghost and god system at the beginning, save the world? When night came, he returned home and found that his sister, whom he had been with day and night, had also turned into a monster. The chewing sound in his ears, is his sister eating his body? How can we survive in this twisted world? It's very simple, as long as there is love.