The heroine Nan Su met a younger brother named Luo Bai on a social software. Gradually Luo Nan Su developed feelings for Luo Bai. After Luo Bai knew about it, he chose to continue to regard Luo Nan Su as his sister, and slowly developed feelings for Luo Nan Su. Later, Luo Bai began to avoid Nan Su because he did not believe that he would like his sister. Later, the two of them confessed to each other and finally came together.
Concept: Even if you are young and frivolous, you can also like the person who treats you well.