"I can follow you, sleepwalking like a shadow chasing the light." This is a story about secret love and being secretly loved. The three people spent all their youth following and chasing each other. In this grand secret love, some went astray while others found happiness. The story has two male protagonists, and the time span is relatively large. The protagonist will learn from elementary school to work. If one day, it is my turn to tell the secrets of my youth into a story, the story I want to tell is called secret love, it is called that I once loved someone regardless of my own safety, and it is called that you are all my courage and joy. I would like to remember your and my youth with this book.