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Lynn stood outside her apartment building early on a Saturday morning. She was wearing a gray tracksuit over her gym clothes. She wasn’t waiting for long before Andi pulled up in her tiny white car. Lynn walked around to the passenger side and opened the door.

“I wasn’t sure if you’d be up before noon.” Andi joked with a wide smile.

“Oh please, I’m not about to sleep my entire weekend away.” Lynn said as she buckled her seat belt. “That said, I expect you to follow through with the terms of our agreement.”

She shook her head. “I can’t believe I had to bribe you to help me work out.” Andi sighed as she put the car into gear. “I promise, when we go out tonight the first three rounds are on me.”

“Good.” Lynn smirked as she leaned back into her seat.

It didn’t take long to arrive at Andi’s gym. She used a promotional guest pass to get Lynn checked in for free and they headed to the locker room. Lynn slipped out of her tracksuit leaving her in a white tank top and an athletic skirt.

“What the hell is that?” Andi asked as she hung up her purse. “You look like a cheerleader or something.”

“I don’t like how tights or even gym shorts put my butt on display for all the men to stare at.” She replied while giving the short skirt a little shake..

Andi rolled her eyes. “I told you last night we’ll be in the women only section of the gym.”

Lynn blushed slightly, but didn’t back down. “Well…it’ll keep the lesbians from staring then.”

Andi rolled her eyes again as she slipped out of her tracksuit, leaving her in black and magenta lycra exercise outfit.

“Look at you,” Lynn smiled wide, “taking this all so seriously.”

“It’s a competition, and I want to win.” Andi replied as she locked the locker door.

“Girl, it’s a charity sit-up competition to help fund a new community center. The big prize,” Lynn made the air quotes, “is a cheap looking plastic trophy.”

Andi locked eyes with her friend, her face completely serious. “I’m determined to put that cheap trophy on my shelf, so let’s get to work.”

Lynn chucked to herself as they left the locker room directly to the women only section. The gym wasn’t completely packed, but there were enough women working out that there was a steady sound of weights shifting and machines moving. Most of the women were in their own worlds between their routines and earbuds, though a pair of women working out on the weight bench smiled and waved as they walked by to an open bench.

The two friends stretched out together, even though it was only going to be Andi working out. Andi got into position on the bench and nodded to Lynn who started the first exercise holding her fiend’s ankles. With that, Andi started her work out.

Lynn watched her friend as she repeatedly sat up and lowered herself back down. Somehow Andi was able to hold a conversation while doing all of this, which was both impressive and draining at the same time to Lynn. It started with her just talking about how Friday had gone at the office, then she was discussing their plans for the night, before moving onto some general gossip.

Where the hell does she get the energy? Lynn wondered to herself as they shifted position.

Lynn moved to straddling Andi’s hips and using her body weight to keep her friend from moving. It felt to the spotter like she had been in the gym for hours, and the boredom was starting to show on her face. Nearby her expression was noticed by the pair of weightlifters they had passed on the way in. The brunette motioned towards Lynn with her head. The blond lowered the bar onto the hooks and sat up. Her pink lips curled into a deviant smile before she got up from the bench. They exchanged a few quiet words before they headed over to where Andi was crunching her abs while discussing rearranging the furniture in her apartment.

“Maybe it’s time you switch positions.” The brunette one said with a soft smile.

“Who, me?” Lynn pointed to her chest. “No, I’m just here for spotting duty, and maybe a little time in the sauna before we go. She’s the one in training.” she pointed down to her friend.

The brunette laughed. “You could still work out a little bit.”

“It looks like you could use something to buck up a bit and keep up with your friend.” The blond unzipped a small belt pouch and pulled out a pair of dark almost black hard candies.

The brunette saw the look on Lynn’s face. “I know right? Candy from strangers. But trust me, just one can give you that little bit of a sugar rush you need to make it through your friend’s workout.”

“She’s right, this is good stuff.” Her friend said, placing both candies in Lynn’s hand. “If you’ll excuse us, we need to get a few more pounds for Eve.” the blond said before heading with her friend to the weight rack.

Lynn started to unwrap the candies as her friend continued her set.

“Are you really going to eat candy in a gym?” Andi smirked up at her.

“Oh, be quiet.” Lynn retorted as she pushed one of the candies into Andi’s mouth.

Andi was surprised, but didn’t choke on it at least. Lynn snickered a bit before popping the other one into her mouth, enjoying the quiet as much as the tart flavor. She was a fan of blackberries, and the woman had been right, this was the good stuff. Andi was enjoying hers as well, and she wasn’t worried about burning off any calories from the candy before she hit the sauna at the end of her workout. With an audible crunch Andi finished the candy mid sit-up. Lynn finished a bit after her. Maybe it was all in her mind but she did feel a bit of a rush from the hard candy.

With her mouth now empty, Andi started to talk about the show she started watching on Webfimz. She was just getting past the show’s main premise when she trailed off. The lull in the conversation caught Lynn’s attention right away.

She turned slightly to look down at Andi. “Hey are you ok?”

“I don’t know, something feels off all of a sudden.”

Instead of gently lowering her back down Andi flopped down onto the bench. Lynn went to get off of her friend but suddenly her legs refused to move.

“Hey! What’s going on?” Lynn was getting scared, now her arms were becoming non-responsive. “I can’t move!”

“Neither can I!” Andi struggled to shift her body.

Both women tried to move their bodies but they wouldn’t budge. It wasn’t as if they were numb from the neck down, they could still feel their bodies, they just refused to respond. Andi and Lynn were too scared and confused to try calling for help from the other women working out.

Lynn’s body started to move on its own. Her body was grinding down hard against Andi’s hips.

“Hey! What are you doing!” Andi called up from her reclined position.

Lynn tried to turn her head to face her friend, but nothing below her neck would respond. “I-I’m not doing anything!”

“Bullshit y-” Andi cut off as her body started to grind up against Lynn just as hard.

“See? Now you’re doing it too.”

“What the hell is going on?” Panic was now evident in Andi’s voice.

Sweat started to run over their bodies as they flushed with a sudden and unknown heat. Every cell in their bodies was tingling with excitement. Andi suddenly thrust up hard with her hips and Lynn gasped as she felt something tear through her panties and grab a hold of her body. She then let out a moan as she felt something push its way out of hers and grip onto Andi, like some kind of obscene handshake. Both women were shaken and left panting but the strangeness was just beginning.

From where they were now attached at the hip, a strange nearly black substance was spreading across both their bodies. It flowed like some kind of sentient syrup, coating every curve and muscle. It did more than just encase their bodies together. It was as if the flesh underneath melted and reformed into a new and strange shape. But this didn’t feel painful at all, instead it was an arousing sensation, enough to cut through the layers of fear and panic both women were feeling.

Lynn felt her body sinking into Andi, their bodies truly becoming one. Both of their legs shifted into new positions. Lynn’s legs moved to the side taking up an almost insectile stance. Her upper legs grew strong and powerful. Her lower legs grew longer, her feet and toes melting away into a long tapered point. The legs stepped out of her sneakers, leaving them behind.

At the same time Andi’s legs underwent their own transformation. Her feet shifted inside her shoes before pushing out with a pop. her toes lengthened and grew ticker, each one tipped with a thick pointed claw. She could feel what were once her feet flexing open and closed. Although she couldn’t see them from her position, she could feel they were more like hands now than feet, just itching to grab onto something tightly.

The black goo defied gravity as it moved up Lynn’s torso. She could feel it sliding up over her body under her tank top. Looking down she watched with a mixture of horror and wonder as she watched her breasts start to inflate like a pair of balloons. The once small perky pair of tits was now filling her top to the point of bursting. Lynn bit her lip as she felt an immense pressure building up inside her tits. She let out a loud moan as a pair of tentacle-like appendages tore through the already strained material of her top. The thick limbs snaked around, the tips ending in maws with a quartet of grasping claws.

Down below, Andi’s breasts slipped out from under her sports bra, pushing it up as they grew. She let out a sharp cry as she felt an unbearable pressure on her nipples before a pair of phallic tentacles burst out from her breasts. They were thinner than Lynns, and faster too, able to whip about at incredible speeds. They lacked the grasping maw, but were obviously prehensile, not to mention as sensitive at the tips as the cock-heads they resembled.

Andi could feel the material running over her arms. They twisted in the socket, though strangely Andi didn’t feel any pain as they arranged themselves into a new purpose. Her arms rapidly grew thicker and stronger as her hand and fingers melded together into a long tapered spike. Even in her current state it was obvious to Andi that her arms were becoming copies of Lynn’s legs. Once the new legs were fully formed the diamond hard tips dug into the gym floor and they lifted Lynn and Andi’s conjoined body up off the bench like some kind of eldritch horror centaur.

By that time Lynn’s arms were covered. Her upper arms bulged with obvious muscle, but something strange was happening to her lower arm and hand. Lynn’s fingers melted into a single long appendage that bent over sharply at the wrist. As she watched her hand and lower arm continued to morph, stretched and reshaped into something resembling a praying mantis’ limbs.

Something was happening in Andi’s mouth. She wasn't feeling sick, despite the situation, this was something different. Her tongue felt strange, like it was swelling up and all she could taste was the candy she had eaten earlier. Andi felt her tongue trying to force its way out of her mouth. She did her best to keep her jaw shut tight, but it wasn’t enough.

Andi let out a muffled cry as her transforming tongue exploded out of her mouth. At the base it was solidly attached to her mouth, forcing her jaw to stay open. It took on a segmented appearance as it stretched out longer than any of the other tentacles on her body. At the tip a wicked barbed stinger formed and Andi could feel the venom forming inside of it.

Lynn ran her tongue over her teeth. Her canines had grown into actual fangs. The flow of the substance stopped and it hardened to a candy-like sheen. She felt something opening down between her and Andi’s former legs. A single pussy opened up, twitching slightly with need. Lynn wasn’t sure if it was hers or Andi’s, and was starting to think it didn’t matter anymore.

Lynn could feel every part of the creature she'd become, even with no control of anything below her neck. This also included the bits that were once Andi. She wasn't sure if the fear, confusion, panic, and extreme horniness was all her or if she was picking up Andi's state of mind too. The new appendages thrashed around briefly, removing any bits of torn clothing left on the combined body. The tentacles then settled into a swaying, almost hypnotic undulation as they sensed nearby prey.

Andi could do little more than make muffled sounds now that there was what could best be called a scorpion’s tail jutting out of her mouth. She could feel her entire body, and more, though she had just as little control as Lynn did over their conjoined bodies. As she stared down at the candy-like color and texture of her body Lynn realized it was the exact same color as the candies she had gotten from the pair of weightlifters. She couldn't see the pair that gave her the candy.

They must have seen what happened and ran away…I can’t blame them. She thought as her legs carried them away from the bench.

Others in the Gym weren't as quick to notice the monstrous duo. They were all lost in their own workout routines with tunes blasting in their headphones. Lynn felt the legs bounce a little on all four knees as the forelimbs that were once Andi's legs started to flex again with anticipation. They keyed in on the closest target and they started to move as a single frightening creature.

They stalked towards a woman running on the treadmill. However, it wouldn’t have mattered how noisy Lynn had been, the woman was lost in a cheesy paranormal romance audiobook as she ran. Lynn’s body seemed to pick up on the runner’s slight arousal and she could feel her pussy twitching with excitement as they grew closer. Before the prey knew what was happening, one of Lynn’s breast tentacles grabbed her by the mouth while Andi’s grasping limbs yanked her off the treadmill. The woman struggled and tried to scream, but instead she was pumped full of something from the maw.

Just as Lynn’s mantis arms were shredding the gym wear off her first victim, another woman noticed the monster and screamed. The tail whipped out as she tried to run, nailing her in the back of the shoulder. The aphrodisiac pumped into her body by the sting hit her like a freight train. She fell to the gym floor and started to rub herself through her gym shorts from her desperate need to get off.

Two more gym goers were stabbed by the tail before the room realized there was a monster attacking them. Panic filled the room as the women screamed and ran away to the main exit , only to find the double doors tied together somehow. They pulled and pounded on the doors to no effect. They were trapped in the room with the monster. The candy creature stalked their way towards the women now gathered at the doors.

From the monster’s pussy a stream of dark mutagenic liquid candy sprayed out hitting several of the women while the others scattered. Those hit by it watched, unable to control their own bodies as the strange substance started to grow across their bodies. Some just froze, too scared to do anything, and were quickly seized by the maws, pumping the mutagenic substance into their bodies and beginning the change. Others took a chance and tried to make a break around the creature to the locker room exit.

But Lynn and Andi were too fast and nimble, darting around and over the equipment like they were nothing more than stones on the path. Andi’s breast tentacles reached out and snagged a runner while Lynn’s tentacle ripped off a pair of shorts and clamped down on the exposed sex and delivered its load. As they grabbed, stung, stripped, sprayed and filled the women there was a feeling of sexual release that filled Lynn and Andi with a near constant ecstasy. They soon found themselves almost drunk on the pleasure, waiting desperately for the next hit.

***

Meanwhile, at the gym’s juice and shake bar, a pair of young women sat enjoying some freshly made overpriced drinks after an extended workout. On the counter they watched the chaos play out on their phones. They jumped between the various cameras they had hidden to capture the experiment before anyone else had arrived in the room.

“Eve, I got to hand it to you, I didn’t think that big cable tie would work on the doors.” Corinne said as she stirred her protein shake with the straw.

“Oh yeah, cable ties are great.” Eve switched to a different hidden camera to follow the action. “My brother told me about them years ago. I think they’re more useful than duct tape to have around. Oh, look what she’s doing now, check camera three!”

“Hmmm, yeah she’s sticking them together. This is a formula that takes two, so that makes sense. What’s that look for?”

“I was just remembering that time when we were interns testing those new formulas, I can’t remember the flavors now, something tropical. Anyway, there was that weird reaction with our bodies and they got stuck together.” Eve paused to take a long drink of her juice blend.

“Oh, yeah,” Corinne nodded, “I remember that.”

“Tish was just standing there laughing while I had you stuck on my back. No help whatsoever as we flailed around the test chamber.”

“Thinking about it, if I had had proper legs instead of tentacles I think I could have pulled away. Still, it’s a funny story looking back on it, right?”

Eve shrugged her shoulders as she watched the feed. “Hmm, I think she got them all paired up.”

The pair looked around at the secondary exposure victims. They were merged together but weren’t an exact copy of the initial subject. Although they all featured the same appendages, the way they had been roughly assembled by Lynn and Andi meant each couple wasn’t in the ideal position.

“They aren’t exactly perfect copies.” Corinne said as she observed. “Look at this one, she has the tail coming out her butt and her breast tentacles are on the underside. Is this a problem or just an effect of a secondary exposure?”

“I’m sure she’ll still be able to grab and sting people like that. Besides, It’s not up to us to decide if it’s working or not. We just need to observe and report. Let the Doc figure out whether the formula needs some more tweaking or not.” Eve finished her juice blend. “That zip tie worked on a few panicked women, but it's not going to hold against them.”

“No kidding. Are we going to stick around or just let the hidden cameras do the work?”

“It looks better in our reports if we stay, and I’m gunning for that bonus.”

“True.” with a slurping sound Corinne finished her shake. “Mmm, that’s good, and I don’t normally like peanut butter.”

“For what they charged us, the drinks better be good.” She looked down at the feed on her phone. “Oh boy, looks like they are ready to go.” Eve switched off from the feed and got ready to record the chaos on her phone.

“Excuse me, ma’am,” the juice bar worker called out, “there’s a no camera policy at the gym. I’m going to have to ask you to stop recording.”

“What’s your policy on monsters?” Corinne asked with a wide smile.

Before he could even form an answer to her bizarre question, there was a huge crash followed by screaming.

“The shake was delicious, by the way,” she added before lifting up her camera to record, “you might want to run now.”

***

Andi groaned as sunlight streaming through the window hit her face. She tried to sit up and instantly regretted it. Andi felt completely hung over, even though she hadn’t had anything to drink on the previous day. She rolled over away from the sun and slowly opened her eyes. It took Andi a moment to realize she wasn’t in her bedroom, or alone.

She was in Lynn’s apartment, tangled up in the sheets alongside her friend. She reached out and gave the other woman a slight push on the shoulder. As Lynn roused, Andi let out a groan, it was like her headache suddenly doubled in strength.

“Ffffuck…What? Where?” Lynn curled up tightly.

“We’re in your bed, I guess you brought us here.”

“I don’t remember-”

“-Separating.” Andi finished the sentence. “Oh fuck this-”

“-Is weird.” Lynn rubbed her forehead. “Fuck, I think I’m feeling your hangover on top of my own.”

“Ditto. Ugg, I need something for this headache, and so do you.”

Slowly they untangled themselves from the sheets and got up. They were both completely naked, which wasn’t that surprising. There was no trace of the black candy on either of their bodies. They also seemed to have the equivalent of a full body wax, not that Andi was complaining about that. After taking some painkillers, Lynn jumped in the shower and Andi borrowed her robe to go and make some coffee. As Andi was watching the coffee pot slowly fill with the hot brown liquid, she could feel the sensations of the water running over Lynn’s body. Back in the shower Lynn could smell the coffee like she was right next to the pot.

Lynn finished her shower quicker than she would have liked, this was just too weird to not talk about. After throwing on a tank top and some yoga pants she joined her friend in the kitchen. Lynn went into the fridge and pulled out a pair of sports drinks.

“Here, the electrolytes help with a hangover, usually.” She said, handing one to Andi.

“We both know this isn’t from a night of drinking.” She replied as she opened the bottle.

“I think we still need to rehydrate after all of…that.”Lynn looked away, but Andi could feel the blush burning on her friend’s cheek.

They drank in silence for a bit, but it didn’t matter, they could feel each other’s mood and emotions as easily as their own.

“When we were…stuck together I could feel the parts that were you as much as the parts that were me.” Lynn admitted as she put down the now empty bottle.

Andi nodded. “Yeah, same here. But why can I still feel you now?”

“We turned into some kind of insane candy-bug-scorpion-centaur monster. Explain that to me first.”

Andi pulled down a mug from the shelf and filled it with fresh coffee. She didn’t bother with sugar and milk, right now she embraced the bitterness to help clear her mind. Lynn wished she had added at least some sugar first as she tasted the black coffee.

“What’s going to happen to us?” Andi asked after taking several sips of coffee. “Are the police going to be at our door any minute to arrest us?”

Lynn shook her head. “I have a feeling they won’t. I’ve heard a few rumors around town, and shit like this gets covered up. You know, just like with bigfoot and aliens.”

Andi stared back at her friend with utter disbelief. “Don’t tell me you believe in that crap.”

“After yesterday, I’m open to it all being real.” She replied before getting a mug down for herself.

Andi wanted to say something back, but her friend had a point. She decided her coffee did need some milk at least.

“So,” Lynn asked as she spooned sugar into her cup, “are you still going to enter the sit-up competition after all of this?”

Andi scoffed. “You’re damn right I am. Besides, my abs look better than ever right now.” She opened up the robe to prove it.”

“Yeah, mine too, and I wasn’t the one working out.” Lynn placed a hand on her abdomen. “Another side effect maybe?

Andi shrugged. “Who knows? But, I guess I’ll have to train at home until the gym gets fixed.”

“You can train all you want. You still owe me those drinks.” Lynn slowly sipped her coffee.

Andi blinked. "But, it's Sunday.”

“Plenty of bars are still open on Sunday, and after what happened you owe me more than just three rounds.”

“Fine, I could use a few drinks too. But first I need a shower and to borrow some clothes before we get started on our next hangover.”

***

In front of the gym a luxury SUV pulled up. Out of the passenger seat a well dressed woman stepped out. She was wearing a white designer woman’s suit with a lavender blouse. Her hair was a crown of perfectly set blond ringlets that bounced slightly as she walked. The woman finished her look with a pair of red pumps with a significant heel, adding to her stature. She said something to the driver before walking over to the building. The woman didn’t give the yellow police tape a second thought before tearing it down and opening the front door. She inspected the damage and was surprised there wasn’t more than toppled exercise machines, broken doors, and a fair sized hole leading to the men’s locker room. The juice bar was a bit of a mess as well, but nothing a good mopping wouldn’t fix.

She wasn’t waiting long before the front door opened, letting in another woman. Unlike her friend, this woman looked like she had just stepped out of a lab with a long white lab coat over normal business casual clothing..

“Phyllis, you beat me here.” She said with a smile.

“You’re always late, Jane.” She smiled back

“It’s not my fault! I always get stuck behind idiots. Maybe I need to develop some kind of awareness sparkling water, so people can notice when the damn light turns green.” Dr Dixon sighed. “Anyway, thanks for giving me a heads up on this place. The owners were more than happy to sell, and at a decent price too.”

“Most are after an incident.” Dr Faust chuckled. “You wouldn’t believe the deal I got on that strip club a while back. It was so cheap I almost felt bad about it.”

“Wasn’t it a mess to clean up?”

Dr Faust shrugged. “It needed a good deep clean anyway. Luckily, the new manager had a lot of experience in that area. As for this place, it’s going to take more than some disinfectant.”

“Everything is pretty much structurally sound, I just have that one big hole. Everything else is just new doors and such.” She made a dismissive gesture with her hand. “Oh, do you need to recover any cameras?”

“My contact in the police already took care of that, but thank you.”

“I’m half surprised you didn’t pick up this place, you’re always diversifying.”

“I’ve got a nice enough gym back at the office, so no real need.”

“I see.” Dr Dixon tapped a finger on her chin. “Would you be interested in a Futacola machine for your corporate gym?” she grinned.

“No thank you, Jane, I’d like to keep the walls intact.” Her lips lifted in a slight smirk.

“That reminds me, I’ll need to reinforce the walls here while renovating. So, want to grab some lunch? There’s a great Mediterranean place just a few blocks away. They make the best hummus in the city, and that’s just for starters.”

“I could eat.” Dr Faust smiled as they turned to leave the building. “So, Jane, how’s that new flavor coming along?”

“It’s a long story, let’s wait for the hummus first.”

________________________________________

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Written by Syntaxerror37

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