He and she have known each other since childhood and the boy is very smart but the girl is a bit stupid. They were by each other's side from elementary school to middle school to high school and finally to college. During this period, the girl will cry because of difficulties, but the boy will coax her first and then reason with her so that the girl can slowly get better, so that the girl can truly stand with the boy.
Concept: youthful and innocent love