Lin Yan had a childhood sweetheart, and they had already arranged to have a baby kiss when they were still in the womb.
When she was a child, Song Jinchu was arrogant and domineering. She often chased Lin Yan and beat her father. Lin Yan hated her very much.
Later, Lin Yan fell in love with this happy "enemy". As the saying goes, love doesn't know where it started, but it goes deeper.
Purpose: Childhood sweethearts