80: the Cannon Fodder Female Supporting Role Made a Fortune Thanks to the System's Counterattack

Shen Ernu's father has not cared about her mother since she was a child, but she suddenly woke up when she was plotted against her. It turns out that she lives in a book, and is a cannon fodder who hooked up with her cousin's brother-in-law on her wedding day, was despised by everyone, and eventually died of domestic violence after marrying her brother-in-law. And her cousin, the heroine, got away from the domestic violence man and stole her job. After making a career, she married the upstart male protagonist in the business world as she wished, and lived a harmonious life. Why? Bite! Accept the heroine's request and complete the cannon fodder mission. Do you accept the task? "No." Shen Ernu heard herself say: "Fuck the cannon fodder, I want to be the protagonist." Since then, Shen Ernu changed her name to Shen Ying. Winner wins.