If you want you can put on girls panties underneath and wank over the top of them...I know this is the kind of thing sad-pervs get off on.
But for the moment I just want you to contemplate this gorgeous teen body...and think about the fact you will NEVER have it. My boyfriend really loves to run his hands up my naked legs under-my skirt [and I love this too]... for you though even the slightest touch is out of reach...