In the 70s, I Became the Villainess in a Historical Romance Novel.

Shen Meng is a corporate worker at a large company. While delivering a contract to a collaborator, she gets into a car accident. Just as she is lying in bed feeling miserable, she unexpectedly awakens a special space. Before she can enjoy it for a few days, the side effects of the space start to emerge, and she begins to have strange dreams almost every night. This quickly alerts her, and Shen Meng hurriedly sells her house and car, starting to hoard supplies frantically, fearing that she might end up in a place lacking basic necessities and starve to death. On her way to stock up again, she has another car accident. When she opens her eyes once more, she finds herself transformed into a malicious supporting character from a period novel, who antagonizes the female lead and meets a tragic fate. Not only is her reputation ruined and her life cut short, but her four children also become radical due to neglect and face difficulties, having been abused in their childhood, leading to a tragic end. The man who served the country, having been dedicated to his duty, is ambushed and struck at the back of his head, leaving him dazed and eventually leading to his death in a river during winter while clutching the wedding dress he had given her. To change her fate, Shen Meng decides to redeem her reputation and guide the children towards goodness, as they are the descendants of heroes, and she doesn’t want to see them fall. Occupying the original owner’s body, Shen Meng resolves to honor the elders, care for the children, and lead the whole family towards a prosperous path. However, the man who has dedicated his life to protecting the country, whose feelings for her have been ordinary, starts to regard her with increasingly passionate eyes.