As the shock of turning into a girl started to sink in she realised she needed to pee. Suddenly she started to panic, and ran back to the book in her room.
"Oh god what was I thinking? I don't want to be stuck like this!" she exclaimed, flicking through the pages of the book looking for a reversal spell. She tried to hold it in, but it felt like the muscles she needed to clench were gone, and a spurt of pee leaked into her knickers.
Her hand shot to her crotch and she felt the wet fabric against her flat sex, while the hot urine dribbled down her bare inner right thigh.
Hastily she picked a spell and started to read the words on the page, but she couldn't hold on and interrupted the spell with a yelp.
There was a splattering noise and a hot wet feeling down her legs. She looked down and saw the puddle spreading across the blue carpet outwards from her feet. She pressed her hand against her vulva harder but it was useless as the last of the pee flowed out of an unfamiliar hole in her crotch.
She lifted up the dress with her dry hand to look at the wet panties: soaked as expected. God it was hard getting used to seeing her crotch flat down there.
That was when..