It was a modern novel. The beginning was the collision between the female protagonist and the male protagonist after she returned to China

It was a modern novel. It started with the collision between the female protagonist and the male protagonist after she returned to the country. They had known each other since they were young. Because the male protagonist's relatives had left, they lived in the female protagonist's house. After falling in love, they went to the female protagonist's university to take the postgraduate entrance examination. Because of a misunderstanding, others said that they had an affair with the professor, causing the family to not recognize the male protagonist. In the end, it was the professor who helped her go abroad. During this period, the male protagonist was treated by the female protagonist's parents as their own son to manage their medical company. The female protagonist didn't want to return to China, but for some reason, she returned but didn't plan to stay long. The ending was that the female protagonist was preparing to go abroad, and the male protagonist was in a coma due to a car accident. The female protagonist's parents told the female protagonist to stay because only she could wake the male protagonist up. In the middle, the female protagonist's parents didn't agree with them falling in love because the female protagonist was dirty. Later, for some reason, they said that she should marry the male protagonist. After all, only the male protagonist didn't despise her. The female protagonist's surname was Situ something. Her family said that her name was like jade and would have flaws.