Many romance novels would tell the story of a female protagonist who was ugly at the beginning but eventually became beautiful through continuous efforts and improvement. This kind of plot was often used to portray the heroine's perseverance and self-improvement spirit. At the same time, it also allowed the readers to feel the process of the heroine gradually becoming more outstanding and attractive in both appearance and inside. This kind of plot was often used to highlight the male protagonist's love for the female protagonist and the pursuit of the male protagonist. In the process, the male protagonist gradually discovered the unique charm and value of the female protagonist and finally got together with the female protagonist. In romance novels, it was common for the female protagonist to be ugly at first and then become very beautiful. It could let the readers feel the power of growth and self-improvement, and it could also enhance the emotional resonance between the readers and the female protagonist and the male protagonist.