Erin's body was driving you insane, you can't believe she did this to you. Now here you are desperately trying to get off for James' gratification. It wasn't long ago that you two were just friends, but after a regrettable choice of words regarding your best friend's girlfriend Erin, you were dosed with a clone pill and told that "if you're so concerned with who he's dating then why don't you try it out!" Sure, what you said was way out of line, but running off afterwards and refusing to give you any information about the pill seemed a bit harsh. For all you know it could've been a plus, a breeder, or even just some busted knockoff. As a result you've been adamant that nothing sexual happens between your "boyfriend" and you.
Despite all the resistance you put up though he never quit asking for little favors. "Just a quickie, you only have to use your hand!" or "You could just close your eyes and pretend you're sucking on a popsicle or something" he would say, and while it was clear he was joking at first, it was also clear that you got flustered when be brought them up. Soon enough he had realized that you were actually getting turned on and after that he had you. "Just masturbate in front of me and I'll jerk myself off, you can even keep your eyes closed!" and that was it, a minute of convincing and a few dirty words to spur your newly insane libido on and you were taking off your clothes, laying down on HIS bed, and spreading your legs in front of HIM.
You started quickly, partly trying to fight the nerves of the situation with pleasure, mostly because you were desperately horny at this point. You had kept your hands off yourself mostly, not because Erin's body was off limits, but because you didn't like how it made you think. You would touch and rub in all the ways that seemed right, but if you didn't let your thoughts wonder then you couldn't get off. Inevitably though you'd have to have release and you would let yourself go down whatever perverted path your damn body wanted. Most of the time that meant you thought of James' dick, all the time actually. Now here you were, laid out in front of it, feeling the weight in the bed below you of his full body, just inches from your pussy.
Desperately you tried to place your mind on something your old body would've been attracted to, to women you've been with, women you wished you had been with, but it was all for nothing. Every time you could hear his breathing or feel him shift your reality came crashing back to you. The real problem was that was when you were close, when you couldn't deny how close he was to you, that was when you were the closest to cumming. Finally, after trying to find your happy place, you give in and peek out under your eyelids. There, past your huge breasts, past your tiny hand fervently rubbing your pussy, you see his cock as he strokes it to you. You try to be subtle, but the thought sends you over the edge. You desperately bite your lip and hold your moaning, but you hear him grunt. You look further up and see him locked directly on to you. He looks strained and before you realize what that means he cums into a napkin. A deep feeling of conflict arises within you, while it repulses you to think it, you wish that he had cum on you rather than into that paper...