Xia Zhiheng and Xu Yanzhou's names have been tied together since childhood. They have been present at every important moment for 17 long years, and the long-lasting friendship between teenagers has gradually become complicated and confusing. Xia Zhiheng thought that they would go on together forever, but unfortunately she made a joke on him when he was 18. From then on, the boy's worries were no longer secrets, but shackles, dividing them at opposite ends of the world...
Four years later... The world reunited them. In the late summer filled with love, they finally fell in love.
Purpose: The world will allow lovers to get married eventually