In the summer of sixteen years old, Ping Yanzhao and An Heyun met in their ignorant youth. In just a few pages, the youthful appearance when we first met is frozen, and in the long years that have passed since then, the story has never been told. From being together day and night to being inseparable, the ordinary daily life is full of tenderness. The two teenagers walked together and lived together as the most ordinary aspect of life.