Siheyuan: Yi Zhonghai Is Out by Chapter Five!

Li Weiguo wakes up reborn in a 1960s courtyard house, where he becomes the Third Master's neighbor. His father died in the line of duty, his maternal uncle died in the line of duty, and his grandparents live in the countryside. To top it off, it's a year of famine. But Li Weiguo doesn't panic, because he has the Dig-Dig System. On his first dig, he uncovers the First Master's diagnosis of infertility. He schemes against the First Master, gets under the Second Master's skin, and makes use of the Third Master, ruling the courtyard house. With the System, he thrives even in a year of famine!