This is a secret love story.
"Songs of the Chu·Nine Chapters·Ode to Oranges": "The Empress is a beautiful tree, and the oranges are everywhere."
There is a name hidden in Lin Xian's diary: Su Jiashu. Su Jiashu is hidden in the girl's heart, soft and secret.
She watched his girlfriend change one after another, and she accepted that he and her brother called her sister, but she couldn't suppress the crazy love for him that took root and sprouted.