To Yi Sheng:
Yi Sheng, please forgive me for leaving without saying goodbye. I didn't want us to end up like this, and I didn't want us to be scolded by others, so I chose this path, which is good for both of us. Yi Sheng, you don't have to come to me, you can't find me, so don't bother. I love you, I'm very lucky, because you told me that you love me too, but you can't love me, because you are my biological brother with the same parents. All of this is fate, and it is a certain fate. But we are not willing to pierce this thin layer of sandpaper, but we never thought that the fire behind the sandpaper is gathering strength to force us to face the destruction left to us by the previous generation. I'm sorry, I can't harm you, because I love you very much.
---Xi Ai