When they first met, Ducheng was five years old and Lin Shaojun was six years old. When they separated, Ducheng was thirty-five and Lin Shaojun was thirty-six.
Concept: How does it feel to accidentally become a crush on someone you have known and argued with for many years? How can Lin Shaojun know if others don't know about it? It has been planned for a long time. But a car accident happened.