[Quick Transmigration] The Villainous Supporting Female Character Lies Flat

A shut-in and a pervert, with an uncertain future. Lazy and a bit dim, with no guile. These four lines perfectly sum up Su Nian's life. Yet she's an incredibly lucky person, always hitting the jackpot. Her parents dote on her, her friends don't dislike her, she scrapes by on exams, and every time she takes a bus, it arrives right away. Her life is peaceful and comfortable. Su Nian is content with peace and enjoys the good life. At fifty, Su Nian had never married, had no children, and suffered no illness. She passed away peacefully in bed. Then she was bound to a System... . [You are a vicious female supporting character.] "Mm-hmm, I'm a vicious female supporting character." [You have to change the plot.] "Sure, okay, fine. I'll do my best, and let fate take its course."