Jeff felt the soft cotton on his legs; it was very comfortable, and had plenty of room for his stiffening cock.
After a minute, the changes began. His testicles receded into his body and reformed into ovaries. His foreskin receded, splitting downwards through his scrotum, which promptly reformed into labia. What was left of his rock hard penis shrank, but the pleasure just became more concentrated as it reformed into a clitoris. Jeff touched his new anatomy, sending shivers of pleasure through his body. His forming pussy dampened, and Jeff decided to explore deeper. His hips and ass cheeks popped, becoming larger and more feminine. His legs became more shapely and the hairs receded into them. A pair of light blue panties materialised around his crotch, forcing Jeff to stop playing with himself. However, this was only momentarily, as he stuck two fingers in his new underwear and continued his self pleasuring. His feet shrank from size 7 to size 5, and blue nail polish appeared on his toes, followed by a set of girl's trainers. Finally, the changes completed, and Jeff laid back on his bed, experiencing his first female orgasm.
Jeff sat on his bed and decided he should experiment a little...