It's the End of the World Seven Days Later, and I'm Killing People Indiscriminately Using the Simulator

Ni Yi had a strange dream and learned in advance that the apocalypse would break out in seven days. By then, zombies would besiege the city, and 99% of humanity would die from this catastrophe. At the critical moment, Ni Yi unlocks the doomsday simulator! The doomsday simulation is about to begin! [You have become a Hunger Master this time. You can eat a little food to ensure your body functions. [On the first day, the apocalypse breaks out. You have a hungry master who consumes very little food and manages to survive at home. [On the second day, you continued to suffer, relying on the hunger expert to hold on for seven days in a row. [On the eighth day, you really can't hold on any longer. On your way out to look for food, you encounter a middle-aged zombie. You die and this simulation ends. [You can save seven skills to face the doomsday before it comes. Ni Yi was shocked. She actually obtained a doomsday simulator in advance and could simulate the coming doomsday in advance! Then, Ni Yi began to stock up on large quantities of goods and went crazy for loan sharks. Seven days later, the end comes. While others were still struggling to survive in the apocalypse, Ni Yi had already predicted all the plot in advance. She was sitting on millions of supplies and was drinking champagne beautifully. However, one day, a handsome and enchanting zombie king came to the door. He said expressionlessly, "Xiao Nizi, do you want a husband?"