Lin Wei hated the number three the most. He really, really hated it.
When Lin Wei was born, Gu Qingyang was three years old. When Lin Wei was three years old, he just entered kindergarten and Gu Qingyang graduated. When Lin Wei graduated from kindergarten, Gu Qingyang was in third grade. By the time Lin Wei was in third grade, Gu Qingyang would be in sixth grade. After finally catching up to the sixth grade, Gu Qingyang was admitted to the best high school in the city. Lin Wei continued to chase hard, and then when he reached the end, he realized that he had just reached the starting point.
Concept: It's just an unrequited love and a secret love