After I Transmigrate into a Book and Begin Cultivating Immortality, the Villainess Gets a Cheat

She is a nine-tailed celestial fox, the only divine-beast cub in the world, as well as a nameless minor character destined to be sacrificed, the heroine's "golden finger delivery." When Bai Xinyu transmigrates into this world, she decides that she must escape her fate as cannon fodder and firmly seize her own opportunities. What she does not know is that once something deviates from its original course, its outcome will also undergo earth-shaking changes.