In a Certain Month and Year, I Still Met You

The male protagonist Jian He and the female protagonist Qing Yun were childhood sweethearts, but one day, the young Qing Yun moved to another city with her parents, and the two were separated. The young Jian He always kept Qing Yun in her heart, until one day in the midsummer of high school, the two met again and unexpectedly became classmates.