Shen Yiqiu was not having a good life. She missed the group of middle-school-aged teenagers in high school and herself.
Later, she really went back, to the autumn of her sophomore year in high school, and found the person deep in her memory.
It turned out that he liked her so much. Fortunately, time went back and everything was still in time.
Concept: Go back in time, everything can start again, everything can be different