His smile wavers and curls up tighter into a nervous grin when Carly slows and stops to approach him specifically. A chuckle rumbles in his throat as he glances elsewhere, lowering his head. "...I am," Yuusei murmurs over the crackle of the campfire, "and I will always be at this rate, a lousy dancer." What is it with (former) Dark Signers asking him to dance, and why can't they understand he's just bad at it?

More importantly, though, he would very much prefer to keep a good amount of distance between himself and those flames.