The male protagonist had autism when he was young. After meeting the female protagonist, he became extremely dependent on her. Later, he gradually learned to communicate and socialize with others. Finally, he overcame his autism and successfully found his own happiness. This kind of plot was more common and usually involved topics such as growth, redemption, and self-redemption. The writing style and plot arrangement of the novel were also very important. Through depicting the changes in the heart of the male protagonist and his efforts, the readers could feel the growth and progress of the protagonist.