Shopping System: the Evil Sister-In-Law Raises a Baby in 80

[Era + shopping system + space + marriage first, love later + raising a cub + slapping the scumbag in the face + getting rich + stepmother (the cub is adopted) + male cub] Xia Changan, a programmer who had just bought a house in the capital, suddenly died at his workstation because he was scolding others for working overtime and fishing. When he opened his eyes, he came to 1980 and became the vicious sister-in-law of the heroine in the book. In the book, Xia Changan is unruly and cruel, disrespectful to his mother-in-law. He bullies his younger siblings and abuses his stepson because of his status as the elder sister-in-law. After her husband's death, she also wants to seize all the property of the Cheng family. However, she is led by the true, kind and beautiful heroine and is taken to prison, where she eventually dies tragically on the roadside. Xia Changan, who came from time travel, was so disgusted that he almost vomited after reading all the plots. The true, kind and beautiful heroine, and the bullied mother-in-law and sister-in-law were all fake. But Xia Changan can also make them real. Xia Changan came from time-travel with a pxx shopping system in his hand and a storage space left by his grandmother. He kicked the heroine, punched the hero, and even slapped the disgusting mother-in-law and sister-in-law twice. After turning the Cheng family upside down, Xia Changan started to separate the family again, taking her husband and stepson away from the vampire family. Riding the east wind of the times, the two people flexed their muscles and made a fortune. As for the original male and female protagonists, because they didn't have the two of them to suck their blood, their lives were in a mess and they fought all day long. Seeing Xia Changan and the others getting rich and getting closer to each other, Xia Changan didn't get used to them and publicized their affairs to everyone. After cleaning up the garbage, Xia Changan and his family finally lived a beautiful life.