Villain: Why Do the Templates of These Female Protagonists Look so Familiar?

Lin Saki traveled through time and became a villain in a novel she had read. In the world of this novel, there are pretentious heroines such as Shi Yue who had the bones of the Supreme Being dug out, Xiao Yan whose engagement was broken off, and Ye Fan who had a useless body. If you don't look carefully, you will wonder how the templates of these female protagonists are so familiar.