Qiao Cheng and Wu Yan are childhood sweethearts. Their mother has been addicted to CP since they were young.
When Wu Yan was in junior high school, he went to school in Y City. Qiao Cheng didn't know what happened and was heartbroken. It seemed as if Wu Yan would never come back. So he made an agreement with Wu Yan, "Wu Yan, you can be my boyfriend when you grow up." Because of this, Wu Yan, besides studying in Y City, missed Qiao Cheng every day.
Three years later, Wu Yan returned to W City. Qiao Cheng was excited but met Wu Yan with an indifferent face. The day before the second year of high school started, the two of them got together
Concept: The whole process of two people falling in love