Soon, I was pulling in and out and we got into a nice rhythm, of her bobbing up and down on my cock as I imagined myself bending this 21 year old girl... that looks like a 17 year old boy over and fucking her from behind. I matched my imaginary strokes to the pace of her mouthing fucking and before I knew it, I had her by her chin with my left hand so that she could look into my eyes as I finished myself off with my right hand by first rubbing my cock into the drool that had formed on her cheeks. " With that, he let go a full stroke on the full of her left ass cheek. She was, naturally, quite experienced, and the beginning of a spanking was never much of a surprise. But he clearly was not going easy on her. In spite of her self, she said, "Oh my God," out loud. He smiled and struck again in the exact same spot, bringing an "Ooowwww!" from her. He lashed out again on the same spot a third time, and she screwed her eyes shut and almost succeeded in suppressing a squeal. He paused for a. The young woman'sbreasts, which she had so proudly put out on display suddenly became alot firmer. Thick blue veins appeared upon her exposed breast skin, asher breasts suddenly required substantially more blood flow. Her mammarytissue had been replaced by testicular tissue. Her nipples became largerand formed indents at the tip to adapt to their new role. Whenstimulated, each of her nipples was capable of reaching orgasm anddispensing semen. She still had her normal female parts in her groin,. "So Melanie, let me fill you in on a few things and tell you how it is going to be in the future," Amy started."First of all, we all know what you are. So don't bother to try and hide it..."Melanie interrupted, "Then you should drive a stake through my heart while you have a chance. That is the only chance you have against me human. When Lilith and my sisters find me, and have no doubt, they will find me, they will make you suffer before you die." She finished with a haughty smile."It is you.