Mr. Yixu comes to visit a student named Bettie fly, who has just gained weight. Bettie tells him that she is a butterfly and loves literature. She was rescued by a classmate named Ren from a dog that was biting her, and was taken to the hospital, where she was treated for her injuries. She tells him she fell in love with a prince named Prince Charming, and that her injury worsened when she got too emotional, so she has come to see the prince instead. She wants to tell the prince about her feelings, but she cant speak. She needs a magnifying glass to see what is going on.