Doomsday: Others collect supplies, but you collect beauties?

[Doomsday + Zombies + Diaosi Counterattack + Many Children and Many Blessings + Comments and Many Beauty Pictures + Selfishness + Invincibility] Cao Chuan, who had just finished his part-time job delivering food outside, encountered the end of the world as soon as he returned to campus. Class beauty Li Jiayu was trapped in the same toilet. Li Jiayu, who used to regard Cao Chuan as an ATM machine for poor losers, never expected that this day would come, and cried and begged Cao Chuan to protect him. Cao Chuan naturally sneered, and it would be enough to kill her without taking revenge. At this moment, the system comes. As long as you save the beauty and complete the ritual, you can get rewards? If that's the case, then I won't be polite! ...