When he was 4 years old, Yantang was a younger brother and a toy to Qin Zheng; when he was 16, to Qin Zheng, Yantang was a friend, a classmate, and a boy's secret love affair; when he was 26, to Qin Zheng, Yantang was his lover, destiny, and the best-fitting puzzle piece.
Purpose: The growth of young people