[She hums a little song under her breath as she works on him, grinning but not commenting on the noises he's trying not to make.]
[Against a professional, Yen wouldn't be able to compete. But she's not haphazard, and has at least a general idea of where muscles are and how to rub them effectively. Besides, she's pretty sure he's so tense that he'd get benefit out of rubbing his back against a tree.]