Death Survival: Start with a Nuclear Submarine

When they woke up, humans all over the world came to an unknown world, and nothing was missing. It just smells more like death. The peaceful city suddenly becomes dangerous with monsters everywhere. A sudden appearance of the world system. Death and survival with all mankind. Chu Yan, who was originally a social animal, was involved in a horrific death trial. He thought it was destiny to be born as a nuclear submarine at the beginning, but who knew that there were 49 people with him. System: Don't panic, I'll take you away This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.