They were childhood friends. The boy the girl liked was her childhood sweetheart. I don't know when the girl started to like him. Her friends said "he is not a good boy" but she didn't listen and insisted on liking him. The parents also knew each other, they had known each other since childhood, and everyone thought they would be a couple. But will the love between childhood sweethearts really be as romantic as in novels or anime? Childhood sweetheart does not exist. Since you can't get it, then find a better man than him.
Concept: The appearance of the male protagonist changes the female protagonist