After I Transmigrated, I Locked My In-Laws in the Cellar to Make Them Push for a Fourth Child

[Transmigration + Villainess System + Awful Relatives + Family Squabbles + Face-Slapping Satisfaction + Building Wealth] Gu Xing'er, a top saleswoman in the 21st century, dies unexpectedly at a business dinner. In the blink of an eye, she transmigrates into the body of Li family’s second daughter-in-law, a woman with the same name who was born in Xiaohe Village, Yongning Town, Zhou Dynasty. Her awful mother-in-law is determined to have more grandchildren. But Gu Xing'er has one daughter after another, three in a row. Just as her third daughter is born and her foolishly filial husband is about to carry the baby over to the urine bucket to drown her, Gu Xing'er finally awakens. The children she risked her life to give birth to must not die. She gives her mother-in-law a piece of her mind and lays into her husband. She can’t keep letting them walk all over her. After binding herself to the Villainess System, Gu Xing'er becomes even more brazen. She drives her mother-in-law to threaten suicide, berates her husband until he drops to his knees, and humiliates her father-in-law. Her sister-in-law and her brother-in-law’s whole family don’t get off lightly, either. Even the Li family, who used to be lower than beasts, are now thoroughly cowed and have no answer for her. Once the household troubles are settled, Gu Xing'er begins carrying out her money-making plans. First, she reorganizes her father-in-law’s manure-collection business, gradually turning it into a complete supply chain and getting the Li family to work for her and make her money. Then she branches out into new ventures, builds a food empire, and makes a fortune...