Siheyuan: the Back Door of My House Leads to the Siheyuan

A promising young man who had made some achievements was looking at the courtyard in his spare time, but he was poisoned. So he wanted to open the back door and go to the courtyard to take a breath. As a result, something was wrong when he opened the back door. The back door was actually connected to the courtyard. With no system, no training, and no ancient skills, Lin Fan went back and forth between two eras on his own and worked hard to learn his skills. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.