Seeking a modern novel about the female protagonist's rebirth

The male protagonist was gloomy and paranoid due to family reasons. In his previous life, he and the female protagonist were high school classmates. After a long time, the male protagonist killed his high school classmate who looked down on him at that time and imprisoned the female protagonist. Later, he was discovered by the police and went to jail. After the female protagonist was reborn, she decided to help the male protagonist in order not to die and not be imprisoned. She then asked her father to save the male protagonist from his original family and help him complete his studies. Later, the male protagonist and the female protagonist separated and met again at a university gathering. They had sex. The female protagonist went missing for a year, and the male protagonist kept looking for her. Later, he found out that the female protagonist had a mental illness that prevented her from being intimate with others, but she did not reject being close to the male protagonist. That year, she disappeared for treatment. After finding the female protagonist, the male protagonist and the female protagonist got together. The female protagonist was almost raped by a psychiatrist. Later, the female protagonist dreamed that the male protagonist was in prison. She told the male protagonist that she was actually a child of a rich family and told him how to save himself. I can't remember the names of the male and female leads. Please help me!