The two parents are brothers and best friends, and they both live together. The two families are neighbors. The two children grew up together and went to kindergarten, elementary school, junior high school together. When they were in high school, Zhang Yu's father was forced to separate because the company transferred the two of them. The two agreed to attend the same university.
When he was a child, because Zhang Yu was born half an hour earlier than Yang Xue, his family told him to take good care of Yang Xue. It can be said that he couldn't eat what Yang Xue liked to eat, and he would eat whatever Yang Xue didn't like. In this way, Zhang Yu protected Yang Xue from childhood to adulthood. It can be said that they were childhood sweethearts, and adults were happy to see it happen.
Once when the two of them were playing with each other, the teacher saw them and called their parents. The parents silenced the teacher and since then they have been letting them go freely.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.