The cannon fodder sister-in-law of the Koi literature of the 1980s is reborn

Bai Xiuxiu didn't know until she died that the world she lived in was actually a period koi novel! In the book, she is the sister-in-law of the period koi heroine. She is sarcastic, lazy, and does all kinds of bad things! After the heroine married, she always made things difficult for her. Because she bullied the koi heroine, she "accidentally" fell into the water and died. And her man, who had always been a dull man and was useless in her eyes except being obedient, suddenly went crazy after her death and determined that it was that family that killed her. She took revenge on them like crazy and wanted to drag them to hell. She became a big villain that everyone hated! The heroine was in their family, and there were countless cannon fodders, evil...