C196 Qin Wufeng ran away (2)

Normally, when he was together with old man Wufeng, he had never seen him act in such a way. Seeing this letter, Li Yan immediately forgot about the part where he was feeling tender towards her.

"Little Yan, this book originally was written by this old man based on my memories and experience. In fact, from the day I met you, I had been working on it since then