It's the End of the World, I'm Possessed by a Cat

AD 2100. The population of Blue Star has increased to 20 billion, and technology has entered the all-electronic information age, and primitive machinery has basically been eliminated. In order to meet the housing needs of a large population, residential buildings are being built higher and higher. Almost every building is a large living area. The smallest one has tens of thousands of residents living there. December 24, 2102 AD. High-dimensional life suddenly arrives. The star chains in space instantly exploded into brilliant fireworks. All of Blue Star's electronic equipment failed and returned to the primitive era. At the same time, the doomsday virus broke out and most humans mutated into zombies. Humans who have not mutated are used as food by zombies, and no scraps are left behind. However, in addition to facing the threat of zombies, the remaining humans also have... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.