Ning Zeyu is the person Chen Yu has cared about for 13 years. After not seeing each other for 10 years, he became her obsession and the knot in her heart. How careless the separation was at the beginning made Chen Yu regretful in his heart. In and out of dreams, Chen Yu is emotionally tied to one person. It was you in the beginning, it was you in the past, and I don't know if I will have the chance to hold hands with you again in the rest of my life. At that time, I will tell you that it was all my fault in the past...
Concept: The book uses the emotional lines of Chen Yu and Ning Zeyu as the keynote, interspersed with elements such as love, youth, pain, trust, growth, cherishment, and triggers thinking about the growth process.