Eat and Drink the Apocalypse

My name is Xing Yulong. I woke up after staying up all night. I found that the world I live in has become an apocalypse, full of zombies and various monsters. When I was thinking about how not to starve to death, I went crazy with hunger and ate the flesh of zombies, which suddenly awakened the system. But who wants a system that can be upgraded by eating and drinking? But after thinking about it, it was quite good, so... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.