System: You'd Better Follow the Plot!

When Yang Wu woke up in a strange rental house, he almost thought he had been raped. The good news is that there was no danger and the waist is still there... The bad news is that there is a biohazard happening outside, and the zombies are sieging the city... After discovering that it was not a dream, Yang Wu felt that he could not survive two episodes with a few packets of instant noodles in the rental house. Otherwise, let's reopen it. Or go down and become a veteran? [The story of life at the end of the world has begun and will soon be replaced by the NPC story] [NPC plot substitution, complete the plot progress to get corresponding rewards] [Complete the plot 'Meeting with girlfriend Chen Jiaming' to get a chance to log out] Wait, it seems like I have a system!