The male protagonist and the female protagonist met in high school, and the male protagonist liked the female protagonist in high school. Start a relationship, this relationship is not good. The two have incompatible personalities. They argue every day, and the male protagonist hurts the female protagonist too much. In the end, they broke up, and the heroine also felt sad. They met again at the class reunion after 5 years. Finally, they fall in love.
Concept: novel