FL is murdered by the ML, returns/enters the world, and must try to change the plot in order to survive. Over time the ML falls in love with her. Both are short fast=paced dramas.
Both are short dramas in which the FL enters the world of a story and ends up altering the plot, sometimes intentionally. She also ends up falling in love with the villain of the story.
Both
-FL fall into the world of a novel
-End up bound to and fall in love with the novel's original villain
-Have hot-cold, sometimes bickering relationships between the leads