C600 Isn't It Just a Class?

"Are we going to class seventeen today? En … Everyone, open your books. When the students below heard this, they hurriedly opened their books. However, they were all somewhat helpless. Why was this new teacher so reluctant to speak? Sigh … Oh, Teacher Qi, you're too unlucky. Why did you have to attend our class today?

However, Sikong Banyu didn't care that much