I Was Reborn and Took Charge in the 1970S

In 2027, 77-year-old Li Qiaoer found out that she had been PUAed by her husband's family for the rest of her life. Because her husband died young and she left no heirs for her husband, she has always felt guilty for this. As a result, before she died, she learned that her husband and her unborn children had died because of these selfish people. Li Qiaoer hated the vampires in her husband's family, and she was reborn back to 1975. Li Qiaoer decided to resist to the end and work hard for her small family... Ps: historical fiction, no prototype