The heroine Liu Mumu and the hero Su Yi like each other, but neither of them knows it. They both like each other silently in their hearts, and neither of them crosses the line excessively. In his sophomore year of high school, Su Yi moved to a big city due to family reasons. When they left, neither of them expressed their love for each other, leaving behind regrets. Liu Mumu was unwilling to give in. She worked hard in school and finally got admitted to the university where Su Yi was studying. The two went through many ups and downs, but finally succeeded...
Concept: A young love can last a long time.