This article tells the story of Lin Daiyu who came to City A in the 21st century and met a girl named Hualin. Hualin and Daiyu are very similar in character and appearance. They are both smart and knowledgeable. Who can be better in reciting poems and composing poems again and again? Both are sentimental and tearful, can they support each other and overcome the difficulties together? They are both tender and obsessive, but where will they go when faced with multiple-choice questions about their relationship? What kind of crisis lurks behind the seemingly peaceful life? Lin Daiyu, who has a time machine, should she stay in the 21st century, return to the Grand View Garden, or return to the illusion of Taixu? You will find the answer in this article.