There is a school legend that as long as you write to important people with black cat butterfly letter paper, you can get a response. Tong Xi also secretly bought and intended to write to Senior Wei Ze. She was seen by Ni Xiaowan when she wrote a letter in the computer class. The letter Tao Zhu wrote to Xu Ao was accidentally placed in Wang Yiming's book. Ni Xiaowan's letter to Lin Nanyi was returned, turning anger into anger. Someone on Tieba posted anonymously and announced Tong Xi's letter to tear down her goddess mask. Tong Xi confessed her identity to several friends, and Lin Nanyi advised her to disclose her true appearance. Looking at the letter written by Tong Xi, Lin Nanyi always felt familiar.