Starting from the Legend of Xue Rengui and Conquering the Heavens

A young man from Blue Star who was seriously ill and could only sit in a wheelchair came to the apartment where he spent his youth after his death. For some inexplicable reason, he was reincarnated into the Tang Dynasty and embarked on a path of evolution. The boy has an unknown and fishy system "Our slogan is: I won't offend anyone unless they offend me. If someone offends me, I just want to beat you to death or be beaten to death by you."