Cheng Jiashu and Lin Youyu grew up together. Because their parents had a good relationship, they arranged a baby wedding early.
The two have a good relationship, but Lin Youyu feels that it will be awkward to marry Cheng Jiashu in the future. After all, the two of them know each other so well, how can this spark the spark of love?
In high school, Lin Youyu fell in love with a boy named Xie Ling and asked Cheng Jiashu to deliver his love letter. Cheng Jiashu didn't seem to mind at all, which strengthened Lin Youyu's idea that they were good siblings.
She was dumped by Xie Ling when she was in college, but she was still accompanied by Cheng Jiashu.
Lin Youyu cried and was moved.
Concept: Young love is pure and bright