The ivy lingers around the teaching building opposite, and the afternoon heat sweeps in accompanied by the chirping of cicadas. "Reviving Memories" is playing in the coffee shop. Fang Datong's delicate and soft voice and Xue Kaiqi's sweet and tender voice can always soothe the slightest anxiety in the heart. A crowd of students poured out of the school gate, in groups of two or three, laughing and playing...