I thought about leaving, maybe I would never see Mu Xixue again in the future, and I wanted to stay in the piano house called Xian Ge to listen to her play the piano until dawn, but Mu Xixue told us that Bai was tired of cold, and the cold wind at night on the top of the mountain was afraid that the medicine would be delayed, so Mu Xixue got up to see us off after drinking the last cup of tea. I wanted to say something more to her, but when I got back she had closed the door, and suddenly remembered that I had forgotten to ask her what the music she was playing was called, and I hadn't even thanked her for helping her