She acts so innocent and playful, at the same time savoring all the discomfort, mental and physical, that she's causing him. I can picture her making this a regular occurance, maybe showing off sexy outfits but only, you know, to get his opinion on them.
I usually write very much 'what you see is what you get', but in this one the last image is what the victim is picturing in his mind. It was interesting to write, but I am not sure it fully works. The two pics were too good to resist though, especially her smile in the first one.