Mitsuki didn't mean to make himself the center of the instructor's attention but Sora's not wrong. He's a little embarrassed when Sora comes over, but he only pauses for a second before nodding. Pride goes before the fall, or in this case the crash into the ground.

"Yeah, I think I might, thanks. Your instructions were really helpful, though; this is very kind of you, holding a class like this!"

It's not Sora's fault Mitsuki can't make his bottom half work properly anymore