FSE

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formerly SoFurry search engine

Heather followed Jack into the elevator. This wasn’t her first job by any means, but this was the first job she had in a high rise office building. This new internship was looking to be an amazing experience, even if the pay wasn’t the best. Naturally, she was a bit nervous on her first day.

"So, Heather, what do you think of the office tour so far?" Jack asked as he hit the button for the fifthteenth floor.

Heather was looking out through the glass windows, taking in the cityscape as they slowly rose up the side of the building. She felt giddy, but tried to keep her answer professional. She had to make a good impression. "Yeah so far I'm looking forward to working here."

As they both looked outside, the sky suddenly grew dark. It began to thunder and rain heavily. She had seen her fair share of thunderstorms, but Heather had never witnessed one from so high up. As a kid she had been afraid of them but she had long learned that inside a building she was completely safe. Or so she thought. As she was taking in the display of nature’s fury, the building was struck with a green thunderbolt. It was so bright, for a split second, all she could see was blindingly bright green light. Then a deafening thunderclap shocked the building and made the glass windows rattle. Heather blinked, her ears ringing, trying to see past the iridescent after images in her eyes. The light in the elevator flickered, then it went completely dark and the elevator came to a creaking, shuddering halt. Heather let out a surprised and slightly scared yelp, clenching her hands around the railing in front of her.

Jack was more composed. "It's just a power outage." He explained, and tried the buttons on the display, but of course none of them had any effect.

Distracted by the unresponsive panel, Jack didn't notice that Heather was fixated on looking outside as the thunderstorm seemed to dissipate as suddenly as it had appeared.

"That was strange." Heather said as she leaned on the rail, looking around at the now drenched city.

"It sure was, but it seems we’ll be here till someone fixes the elevator.” He pulled out his phone and frowned. “That’s odd, my phone is dead and I had nearly a full charge. Does your phone work?"

Heather grabbed her phone but it slipped out of her hands. Her fingers felt strange and oddly stiff. She held her hands in front of her face with a scared expression, watching how her fingers started to fuse together and her nails grew thick and dark and became one giant, clumpy mass.

"What-what is happening to me?" Heather asked, panic in her voice. This couldn't be real. She tried to make sense of what she was seeing, feeling as if she was suddenly trapped in a nightmare.

But it felt too real to be a dream. Now she started to feel a tightness in her clothes, like they were all suddenly a size too small. She bent over as they continued to grow tighter and stretch. The tight clothing was obvious to Jack. He couldn’t look away as her young rear grew bigger and curvier, after all, he’d always been a bit of an ass-man. In fact, he felt a sudden tightness in his pants as well, as his erection strained against his jeans The sound of tearing clothing could soon be heard by them both as the poor material could’t stretch any further.

Heather’s ass tore her skirt to shreds, and her huge thighs caused her panties to snap. She cried out, the painful tightness suddenly replaced by the embarrassing realization that she was now basically naked in front of her new colleague. Even worse, her hands had clearly become useless hooves , hooked over the hand bar. From the base of Heather’s spine, a bump started to form. She closed her eyes shut, as if she could make this all go away by not seeing it, but she felt the sensation all the more pronounced, felt how her spine grew longer as her new tail. It quickly grew out and was soon covered in long silky hairs, matching what was on her head. Heather’s feet stretched and lengthened, ripping out the back of her high heels as her toes underwent a similar transformation as her hands, with one toe growing longer. A shiver went through her, embarrassment and confusion mixed with arousal.

"What’s happening? How? How is this possible? I'm turning into a horse!” she cried out.

Heather’s body felt hot and her crotch tingled with a needy heat as it grew to match the rest of her transformation. How could she get aroused in this situation, right in front of him, with her rump stretched out like this right towards him. Heather bit her lips, trying to chase away the unwelcome urges, tried to focus on what was happening to her instead, but she couldn't. The two things were one and the same, and she couldn't stop it.

Jack seemed strangely unphased that the intern was changing in front of him. He watched transfixed, as though he couldn’t look away.

This is insane! What am I doing? Still his eyes watched as her ass continued to look less human by the second and grow to equine proportions. But damn that’s just so…hot

"Um, Let, let me help you, your tail is getting entangled in what’s left of your skirt…”

Heather's face had started to push out into a muzzle and her teeth were shifting shape in her now elongated mouth. She let out a surprised neigh as she felt Jack’s hands on her growing tail. Heather looked back and saw Jack pulling the remaining scraps of skirt off of her widening rear. The intern’s body started to barrel out, and her neck started to stretch and thicken. She opened her mouth and she let out a less than human sound.

Did I just neigh?

Heather felt her pussy twitch and noticed how she was instinctively lifting her tail, exposing her privates. Her hair had grown down her now long neck and was now forming a mane. Heather's ears also had lengthed and twitched as they moved to the top of her head.

The frightened intern saw her reflection of the elevator's windows. "Oh god! I'm a horse! How could this happen?" She turned her head back to see Jack with an odd smile on his face, staring back at her body. "Jack? Are you alright?" He's seen my arousal..' Heather realized, and half wanted to sink into the floor in shame, half wanted him to take her and rut her.

Jack shook his head, as if trying to clear it. "You’re asking me if I'm alright? You just turned into a horse!” he let out a sigh. “I'm alright, there’s just not a lot of room left in here anymore.”

Heather nickered "Wait, I can still talk…that’s something." It felt a bit weird with her tongue and mouth having changed shape, but aside from sounding a bit odd, she could still form words "I was a little worried that I might have hurt you, I’m a hell of a lot bigger now." Heather forced her tail down to cover her sex, avoiding the topic of how inappropriately aroused she was. She couldn't tell him, she'd be kicked out on her first day, except she was a horse now. How could they possibly employ a horse? What am I gonna do...

Just that moment, the sound of fabric tearing filled the elevator again.

“Oh god!” Jack cried out as he wrapped his arms around himself. “It must be contagious or something! My clothes are getting tight!"

Jack’s legs started to grow and lengthen while his hands were starting to change just like Heather’s had. The back of his jacket started to tear and the buttons on his shirt popped off one by one as he gained more mass and size. Jack let out a heavy grunt as he felt his cock, now getting painfully erect and starting to grow larger with the rest of his body. As his body changed, what little room was left between himself and Heather was quickly filled. He couldn't see down below as his transforming feet broke through his dress shoes. It did not take long for his own ass and thighs to tear through his pants. Jack’s cock was free to really grow now that it had the space. Heather could feel Jack starting to push up against her rear and back. She felt a shiver as she felt something rubbing and probing against her rear.

Yes! Put your cock into me, and breed... Heather closed her eyes, trying to shove the horny thoughts away. "What are you doing? Stop touching me there!" She spoke instead, denying once more how hot she was.

Jack let out a grunt as his chest barreled out. "Stop moving around or we're going to do something different here!" If only he knew how much she wanted that.

Her eyes were transfixed on what happened between Jack's rear legs. His cock grew longer and thicker, far past any human member. Whether it was just the now tight confines of the elevator or some kind of subtle instinct between the pair the growing cock found Heather’s equine slit. Heather nickered Jack let out a half moan, half neigh.

"Oh god! You’re in me! And it's getting bigger!” Heather panted and another pleasant shiver ran through her.

The growing length was rubbing her in all the right places. Jack panted as his neck grew longer and his head began to change. He couldn’t stop snorting through his large nose, feeling how his cock continued to gain length and girth inside the intern, stimulating Jack as his body became a full horse just like Heather. Jack rested his large body of Heathers back, panting and snorting as the final changes took hold. He could feel her shift and squirm under him, neighing softly, responding to his motion inside her. In spite of his current position, Jack couldn’t bring himself to move. As warm and good as she was, it felt wrong to just go to town on her. He couldn't just fuck an intern!

Heather looked back and up to Jack. Being fully a horse like him, she could feel his cock throbbing inside of her pussy.

Well, Heather mulled it over, I guess Jack’s afraid to move, but there is no space for him to pull out. Hmm, he was kind and good looking. Actually, he still is… This realization shifted her mood entirely. Maybe being a horse wasn't so bad. “Hey, stud.“

Jack looked down at the mare. “Huh? You mean me?“ he was still breathing heavily

She nickered. “Yes you. How about you just fuck me already? You’re in me anyway and there’s no room for us to undo that, if we even wanted to.” She felt so slutty for saying that. But that only increased her arousal. She bit her lips. If we’re animals now, we might as well behave the part.

Jack fidgeted behind her, which only stimulated them both further. “I mean, you’re a co-worker, an intern…I couldn’t! It would be inappropriate…”

Heather pushed back a little, not that they had much room in the first place. She pushed him a little further inside of her

“Are you sure?” Jack asked, gripping her slightly with his front legs.

“Oh hell yes! You’re my stud, that's already balls deep in me. So stop teasing me and do it!”

With some hesitation Jack tried to figure out how to move his body. It took a bit, but he figured it out. Even with the limited space and short thrusts he found a rhythm that worked. Jack could feel how big he had gotten and he loved it. Heather was obviously enjoying herself, snorting and neighing as her partner claimed her pussy. She had never felt anything so filling, so whole. Her body, and there was now a whole lot of it, responded to the rutting like a well played instrument of pleasure and she loved every bit of it. If she had to give up her hands, she didn't care, this was worth it.

More! More! Heather was so close.

They both let out a loud whiny as they came together. Jack could feel Heather milking his shaft for every drop of his seed, still neighing, her eyes closed, embracing the warmth she felt inside and outside. As Jack rested on her back the elevator suddenly came back to life and continued its route up to the fifteenth floor. When the doors opened Jack slowly backed up letting out a snort as his cock slipped free from Heather. She in turn let out a nicker of her own, well aware of how her gaping pussy was dripping as yet another shiver went through her. How everyone could now see her and what they had done. Yet she felt no regret. It took some effort, but she managed to slowly follow the stallion out the elevator, untangling her hooves from the rail, then walking backwards one step at a time. Both of them looked around, seeing nothing at first. Heather was relieved, but also confused. Then suddenly a male Goat walked up to them.

"Um, hello there. How did two horses fit in there." he pointed to the elevator with his head.

Was that a coworker? Had he changed, too? Heather put two and two together and felt a lot better. At least she wouldn't have to do any weird explanation. "It did get very cozy in there.” Heather chuckled , relieved.

The Goat sniffed in the air. "Yeah, cozy." Heather blushed. Of course, if she could smell her arousal that strong, everyone would. But the goat didn't seem to have a problem with that. "Anyway It seems that those who watched that strange thunderstorm changed. Those that didn't are still human, at least until they come in contact with some of us. We’re trying to fix that, but there’s some still holding out in their offices”.

Heather stared blankly. Did they deliberately try to change the others? That was wrong, that was...no, that felt right. And she didn't want to be looked down at by humans. No, humans would never employ a horse, this was much better. This solved everything. They just had to make sure all her coworkers and bosses were changed too. Problem solved.

Heather nudged Jack with her muzzle. "What do you say? Want to grow our herd? It should be easy for us to kick down those office doors."

Jack nickered "Why not, I wouldn’t mind mounting a few more mares."

That earned him a glare. Although the thought was also oddly arousing. Heather was just conditioned to think that a boyfriend was something you had to yourself. No, what was she thinking, obviously that didn't apply to horses. And the thought of watching him mount another mare while she watched was just as hot as feeling him in her. Then they'd take turns, and have little foals.

The goat chuckled, “I’ll leave you two to it then, I’m going to go back and nail Marjory again, she’s way hotter as a goat than a woman.

“Have fun!” Heather said as they turned down the hallway.

The pair of horses walked further into the office, looking forward to the fun they would have.

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Inspired by the comic, Ladies First, by IdleRawr

https://www.furaffinity.net/view/23651917/

Written by Yeania Aeon & Syntaxerror37, with additional writing by Blackraven2

FA: https://www.furaffinity.net/user/yeaniaaeon

FA: https://www.furaffinity.net/user/blackraven2/

FA: https://www.furaffinity.net/user/sevencrown37

SoFurry: https://sevencrown.sofurry.com/

Discord: therealse37

Bluesky: @sevencrown37.bsky.social