The Doomsday Savior Is Forced to Open for Business Again

A female Ph. D. In biology from two hundred years later, Should have died in an experimental explosion, When I opened my eyes again, I found that I was back two hundred years ago. Unknown viruses are raging, and humans have become walking zombies... System: Host, please save Blue Star! A certain doctor who was forced to start a business:... Raise cubs and farm online, fight monsters and upgrade, and build some infrastructure along the way. From science, education, culture and health to food, clothing, housing and transportation, everything is possible. I am the gorgeous dividing line Captain Lu at Yu'an base is very busy. The reason is that he has a wife who is busier than him. If the mountain doesn't come, I'll have to go. I can only go to the mountain. Rushing between the two bases every day. [The writing is limited, the love line is almost non-existent, so be careful if you don't like it]