Doomsday Shelter: Starting Mission System

Traveling to the apocalypse and surviving in the last year can win a 5 million grand prize? Wang Yan didn't believe it at first. Even if he believed there were ghosts in the world, he wouldn't believe that people could travel through time. However, one day, Wang Yan accidentally clicked on an advertisement... It's not a cool article, it's mainly about plot, and the pace is slow, so please skip ahead and read it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.