the FL is an author of a famous manwha and the ML is the "villian" second lead character in her story. One day the ML escapes her manwha and kidnaps her. He brings her in the book and wants her to make him the king. But she can't so the ML starts trying to find ways where she can change how the story goes, in the process the FL starts to notice he actually isn't a "villain" of a character but instead he's kind and caring to his people. long story short he becomes king and they fall in love. The FL also decided to continue living in the manwha.
As You Wish, Prince