C1616 A Similar Situation

With that said, Bai Yi left his seat, walked to the bookshelf in the room, and took a book from the bookshelf, and then the bookshelf slowly moved open to reveal the passage behind.

"I'll go to the stage first. Ying Si, follow me." Bai Yi said as he walked into the passage.

Ying Si, who was beside the table, immediately followed after hearing this. After the two of them entered the passageway