Was there a story where the male protagonist was sick and the female protagonist liked the male protagonist at first, but the male protagonist often ignored the female protagonist's novel recommendations?

The male protagonist is sick and delicate. The female protagonist likes the male protagonist at first, but the male protagonist has never paid attention to him. The male protagonist was sick and delicate. The female protagonist liked the male protagonist at first, but the male protagonist never paid attention to the female protagonist. Every time the female protagonist was about to give up, he would try to get close to the female protagonist. Later, when the female lead finally couldn't help but go on a blind date with someone else, the male lead realized that he had turned black.