C491 The Promotion of Medicine

On the other side, Xiao Yun said to Xiao Yanli, "Who said that? It's good. I like it very much."

Xiao Yun did not want to see Xiao Yanli unhappy. He quickly snatched the book from Xiao Yanli's hands and put it together with his book.

At this moment, a wonderful thing happened.

When the two books with the same cover were put together, a strong light shot up to the sky