Fifteen-year-old Su Xianqian met seventeen-year-old Lin Linqing on a sunny summer day. From then on, they formed an unbreakable bond. While I'm young, I want to prove to the world that you are mine! At that time, Su Xianqian, who was inexperienced in the world, made an oath to a rainbow after the rain, but it could not withstand the danger of people's hearts. After all, they were still far apart. When she met Lin Xingqing again at the age of twenty-three, she called him Mr. Lin, distant and polite, without the original enthusiasm, and her plain face seemed like she had never known him before. How could he give up and insist on drawing a clear line with him? How could he give up and fight for her every step of the way, but regretted it after knowing the truth? When all the truth came to light, she handed him a letter of resignation and turned around decisively. He also pressed forward step by step, and was bound to make up for his mistakes. He could no longer afford to lose...