The two had known each other since childhood. Because of a casual relationship, the male protagonist promised the female protagonist that he would become the best friend with him when he was young. But in the end, due to family reasons, the male protagonist moved away, and the two stopped contacting each other. Later, they accidentally went to high school and were assigned to the same school and class. From then on, the marriage line between the two of them began to move. After experiencing a series of bad things about breaking up, the two parties understood each other's feelings and finally got together perfectly.
Purpose: I want people to know what true love is