Falling down often only takes one second, and Ji Fan is always looking back at every node of his life. In the end, the memory stayed on Meng Qirui's clear smile when she turned her head that year. It took her a moment to turn her head to feel a flutter for this boy; it took her two or three years to become obsessed with this boy; it took her seven years to miss and protect this memory. Years later, on that ordinary afternoon, under the soft sunshine, it was her most quiet moment. ... The writing style of this article is plain and the story is simple. I hope you like it.