The End of the World: the Zombies Are Coming, the School Beauty Shuts Me Out

In the apocalyptic disaster, the zombie virus sweeps across Blue Star, turning 90% of humans into zombies. Good news: Fu Ying did not turn into a zombie. Bad news: He is being chased by zombies and the door is locked by the school beauty. Fu Ying is in a desperate situation, but fortunately, the awakening system will drop treasure chests as long as she kills monsters. [Kill ordinary zombies and drop a bronze treasure chest. After opening it, you can get: steak × 1 ton + red wine × 100 boxes. [Kill the Zombie King and drop a diamond treasure chest. After opening it, you can get: S-level weapon-Infinite Bullets·Desert Eagle. [Kill the ninth-level mutant beast and drop a legendary treasure chest. After opening it, you can get: SSS-level talent-infinite evolution. With the help of the system, Fu Ying became prosperous in the last days. But soon, problems arose. "Hey, system, wake up." "The treasure chest is obviously mine, why do I need a key to open it?" "Why do you need to charge the key before giving it to me!!!" Fu Ying looked at the thirty-seven girlfriends around her and felt that they were still not enough. In order to obtain the key, Fu Ying had no choice but to endure hardships and work hard on herself. "Next target." "Open the ultimate treasure chest." "Find 100 girlfriends!"