I recommend " The Reborn Demon Lady ". This fantasy romance-Oriental fantasy novel is very suitable for your needs. The female protagonist was a vengeful person, and the male protagonist was her savior. However, the female protagonist did not like the male protagonist, but liked someone else. However, the male protagonist had been silently protecting the female protagonist. In the end, the female protagonist gradually realized the good of the male protagonist and fell in love with him. I hope you like this novel.