I fired my boss at the beginning, and I became rich by doing business in the end times

[Avoidance guide, the author's writing is average, those with high standards please avoid it~ It's not easy to write, please be lenient. This book has a CP, a boss before the end of the world, those who don't like it can avoid it. The male protagonist protects his wife, and love goes both ways. There will be mid-term boss syndrome, those who don't like it can avoid it. 】Unknown infectious diseases swept the world, humans were infected, and extreme weather appeared. After Lin Wanwan died, she was bound to the alien system. The system clearly said that it would take her to save the world, but after binding, she made her a small boss. At the beginning, she had a small cart, and she worked diligently to sell steamed buns to accumulate gold coins. Slowly upgraded, the cart became a dining car, and finally developed into a city...