Siheyuan: I am Yi Zhonghai's biological son

A modern mechanical engineer travels through the Siheyuan world and becomes Yi Zhonghai's biological son. With a biological son, will Yi Zhonghai still scheme? Will Shazhu still become a blood bag? Will the Siheyuan full of love become the Siheyuan full of birds? The common people live their lives just to have enough food and clothing. There is not so much hostility, nor so many evil tricks, just some family matters. In the backward era, do your best to develop the flower-growing family. Novice author, please correct me if there is anything unreasonable, please do not criticize, the author is sensitive. ...