Guan Yu saw that he hurried forward. When Guan Xiao came into the room, he went straight to the bookshelf.

Guan Yu couldn't help thinking, "What the hell is Daddy doing? What knife is there on the bookshelf? What's the secret behind the bookshelf?

While Guan Yu was thinking, he saw that Guan Xiao's big hands had been placed on a book that looked very old on the shelf. He pressed them hard, and the shelf began to move away. There was a secret room behind him. Guan Xiao looked back at Guan Yu, who was in a daze, and then turned around and walked in.

Seeing this scene, Guanyu...