God-Defying Novel System

Yang Yu, an orphan without a father or mother, gets a system that defies heaven and travels to infinite novel worlds. What earth-shattering things will he do? Xiao Yan, you are too weak. Let me give you a helping hand. Zhang Xiaofan, come on, come on, let's chat. Zombies, hehe, they are just a **. I am invincible. You can do whatever you want. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.