Nick was waiting for Jen as she was leaving school. "Want to go out sometime?" Nick said earnestly and with a strange gleam in his eye.
Jen calmly grabbed Nick's hand and gently guided it up her skirt, briefly touching her huge balls with his hand and then brushing it up across the sheath and towards the head beginning to poke its way out.
"Even if I have one of these?" Jen sweetly asked. Nick nodded, "Especially with one of those. I don't have a horse pussy for you to plow, but I'm good with my hands."
Jen realized that gave her an idea and so before Nick could rub Jen's horse cock too much she ushered Nick over to her car and soon enough they arrived at the horse farm where Jen worked after school. Jen lead Nick to Lady Jezebelle's stall quickly. If Jen had somehow managed to forget which stall was the horse's the smell of her heat could have guided her and her stallion pride was on full display by they time they got to the stall.
"Nick, I'm going to need you to hold this for a second, but only a second," Jen said, motioning to her cock, "You look ridiculous in that clown outfit." It was the first stupid lie that came to Jen to say. Nick didn't even bother to watch his cock grow to the stallion shape that had just been between Jen's legs.
Jen went up and gave Lady Jezebelle a bit of a rub and told the horse, "You are so ugly." Jen felt a little guilty for leaving two horses now with comparatively tiny human crotches, but thought the human penis on Lady Jezebelle looked particularly funny.
Jen's knees nearly went weak from under her at the rather burning horniness as the horse pussy in heat spread through her crotch. She shivered and pleasantly gasped a bit at the sensation.
Nick noticed, "Does it feel really good?"
"No, it is really painful," Jen lied and with that Jen grew her now prized horse cock back out.
Nick gasped in shock, then moaned a bit in pleasure, and mostly just stared in wonder at the sensations of the horse pussy spreading across his crotch. Jen had a theory and stepped behind Nick rubbing Nick's new horse pussy nearer to Nick's rectum and finding the horse clit. Nick moaned with even more passion as he dropped onto all fours in pleasure, his body working hard to stick his ass almost nearly straight into the air. Jen was rather pleased with the sight of an otherwise manly guy with a giant, hot and horny horse pussy between his legs, thrust up into the air begging for something to fill it.
"What are you waiting for? Mount me already!"