Mary, thinking that the effects were gonna start soon, decided to get as far away as possible, due to the belief that while transforming she will become bigger, she headed to her car and started its engine, and started making her way to a nearby forest.
While driving, Mary was suprised that the changes didn't start, she wanted to pick up the vial she drank from, in order to see the exact height she was gonna get, along with how much time it would need for the changes to take effect, but as she touched it, she felt a powerful pain come from her feet, making her groan.
"Hgnnh! It's starting!" she said, as she quickly stopped driving, she felt her feet grow thicker, along with her toes which were stretching, making Mary quickly remove her shoes quickly, but as she was about to remove her socks, she felt her muscles surge in strength.
"Oh god yes..." Mary panted, feeling her toes merge, watching as her nails, now claws, break against the fabric of her socks, after a few seconds, her growing muscles completely broke the socks, revealing that her feet fully morphed into draconic paws, black scales quickly followed, covering her entire feet.
Mary felt attracted to the scales, as she started rubbing her scales, they felt too good.
Mary looked at the vial, and slowly picked it up, Mary gasped in shock, she accidently took a vial that was meant for a male! She drank...