Formal copy:
Ten years ago, Su Bai fell in love with Gu Chaosheng. Before he could confess, Gu Chaosheng disappeared from his life. ?
Ten years later, Gu Chaosheng came back. Su Bai didn't have the courage to confess.
Ten years ago, Gu Chaosheng fell in love with Su Bai at first sight. It's time to leave before you know how to express your love.
Ten years later, Gu Chaosheng still likes Su Bai. He tried his best to make Su Bai fall in love with him.
Secret love has a shelf life. I don't want to have a secret love for you anymore. I want to love you openly.
Informal copy:
Su Bai: We are not familiar with each other.
Inwardly: Ahhh, why is Gu Chaosheng still so handsome!
Gu Chaosheng: You liked me ten years ago, and you definitely still like me now.
In my heart: What if Xiaobai doesn't like me? I'm so panicked!
The author writes in a primary school student's style, so don't criticize if you don't like it.