This is a story that begins with the reappearance of an era of pure love. Showing the theme of setting the stage. For example, the love of hawthorn tree, so that everyone can see that my whole tone is brown and white. Brown is simple, elegant and dignified, and it is a relatively subtle color, which sets off the implicit feelings in the love of hawthorn tree. The mouth cloth is ivory, which symbolizes pure love and matches the love of hawthorn tree, which is called the purest love in history.