Fun with the donkey curse
We had sex.
Okay, yeah, we're teenagers, and underage, and not supposed to, but honestly, my parents were gone for the weekend and Lily's mom had teleported off to Timbuktu for a witches convention, so what do you think was going to happen?
Of course, she was a virgin. So was I. And we were kind of fumbling with the whole thing and I was incredibly hard and she was incredibly tight and then she said, "Stop, you're hurting me..."
And then we both paused as we realized what she'd said.
And then I started to get harder and harder and I suddenly realized that my dick was turning into a donkey dick.
Lily smiled. "Don't worry, this was part of my plan."
"What?" I brayed and then realized that my ears were getting longer as well. "You wanted me to turn into a donkey?"
Lily giggled. "My mom thinks she's so clever. She thought the old donkey curse would be a problem, but she'll reverse it as soon as she gets back."
"Why?" I brayed, getting even more scared but even harder.
Lily grinned. "Because," she said, "if she doesn't, she's going to have pictures of her daughter having sex with a donkey all over the world wide web." Lily paused. "Actually, I've got an even better idea. I'm not up to full transformations and transfigurations yet, but I can still pull off a simple glamour."
She brushed her fingers over her face and her features changed slightly and aged and the next thing I knew, she looked just like her mom. "Mrs. Gershwin?" I brayed.
"No," she giggled with Lily's voice, "I'm still Lily. But the web camera won't know that." She waved a hand and her computer popped on, the camera whirring to life, then she looked at me and purred, "Make me a desperate housewife, donkey boy!"
Donkeys are incredibly horny, and Mrs. Gershwin's vagina was considerably looser than Lily's, for all that it was just a minor transformation.
I kept turning into a donkey as we made the beast with two backs along with kinky blackmail video for Lily's mom.