C564 Demonstration Operation

"Huh?" If he didn't react in time, he would look up blankly.

"We're still learning the basics. The professor is too cruel. He's already arranging for us to take a look at him at a time like this …" Huang Xiaoyi didn't pay attention to his expression and continued, "I heard from Senior Sister that this is the first time I see you don't want to eat