Sang Yu, a girl who went from school to society, went from timid and low self-esteem to confident and cheerful, but it was only when she saw the boy Xu Qingyan when she was young that she started her long and unknown secret love. When she met him, she was still the timid and low-self-esteem girl, and because of the boy's wish, she had been waiting for him all her life.
Purpose: Promise only counts when you are loved