"Transform," Jen said. What was the worst that could happen?
"Brave but stupid," Kyle sneered, "For your transformation, any time someone masterbates and cums thinking about you, your tits will go up a cup size. Also your nipples will become super sensitive to the point that a single tweak will bring you to orgasm. By the way here comes the first one."
Jen heard Kyle grunt and sigh in pleasure, and began to feel hot around her chest. Her perky DD tits began to swell out of her bra and her nipples started to go hard and her areola expanded by a half an inch. Her bra snapped as she gasped in ecstasy at her burgeoning breasts growth.
Panting she sat down on her bed and looked in the mirror. Her tits had expanded to a F cup and her nips were much bigger and staring to ache. She reached up to massage the and gasped as she felt the most pleasure she had ever felt. She orgasmed in an instant and collapsed on to her bed. She couldn't stop and just kept tweaking her huge pink nipples cumming and cummming until her sheets were soaked. The only thing that broke her from her self-pleasure trance was the ringing of the telephone. She she looked over at her clock and realized she had missed the bus. She sighed and reached over for her phone. It was: