I Became the Emperor in the Beginning of Heavenly Collapse

I became a * after traveling through time, and it was a disaster! It took a lot of effort to get the system, but I was insulted by the system and suggested to reinvent it! I've finally become an adult, right? I'm still a kid with kidney deficiency, right? Other systems are all about counterattacks and changing fate against the will of heaven. How could I come back? Let's see how Qin Fang achieves his imperial journey step by step! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.