Countdown to Doomsday

202X. A global aura change is about to come - Lu Chen, a retired special forces soldier, accidentally obtained the doomsday countdown system. Before the disaster came, he frantically stocked up goods to prepare for war. After the disaster, with material advantages and military literacy, he started from a basement and built the safest human shelter in the apocalypse until he discovered the secret behind it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.