"The Broken King's Favorite: Shocking Little Medicine Concubine" fits the genre you need. The female protagonist, who was born in a family of mysterious medicine, traveled to the Zige Dynasty and became an idiot. When she woke up, she was actually set up to marry the famous blind prince of the Zige Dynasty, Dongye Han. The female protagonist cured the male protagonist's deep straight male cancer, and the male protagonist became a peerless expert because the female protagonist cured his illness and eyes. The male protagonist pursued the female protagonist, but the female protagonist refused to be his bed warmer. I hope you like this fairy's recommendation. Muah ~😗