Quick Travel to Change Your Life: Rules for Female Supporting Roles

[Quick travel + 1v1 + scumbag abuse + no fixed CP + he] Some female characters' originally happy lives were ruined because they were targeted by the heroine in the novel world. After they died and entered the underworld, they realized that they were just the supporting characters in the novel world who promoted the plot. They exuded strong resentment and disturbed the peace of the underworld. As a staff member of the underworld, Shen Ning, at the request of her superiors, will replace these tragically dead female partners in the original world, beat up the heroine, steal her man, and live a happy life of her own. (The female protagonists in Small World are all named Shen Ning.) World 1: A weak sister dependent on her brother. In the original plot, the heroine was the girlfriend of the original owner, Shen Ning's brother, Shen Yan. Because she couldn't stand the original owner's cowardly sister who was a freeloader at home, she always tried to smear the original owner in front of Shen Yan. After knowing that the original owner and Shen Yan were not related by blood, and Shen Yan was very fond of the original owner, he secretly contacted the human trafficker and abducted the original owner. The original owner thus lived a life worse than death. After Shen Ning, a staff member from the underworld, arrived, Shen Ning: "Yeah. That's it?" Ana Shen: "As expected, my sister can't live without me (crazy expression)." Shen Ning: "..." Original heroine: "..." World 2: The female supporting character doesn't want to be balanced World 3: The little pitiful person in supernatural literature ………