A Change of Pace, 1 | by Serathin

Story by teryxc on SoFurry

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certifiedGSD

Teryx heads to the gym for his regular workout, finding his 'straight' roommate kissing and groping other males in the locker room. The dragon investigates, with uncontrollable consequences. (4.9k words)

Commission from SerathinGallery Link: https://www.furaffinity.net/view/38257251/


Teryx drove into the gym, cursing his workplace for making him so late to his workout session. It had been something that he and his roommate did in order to try and get in shape since their jobs were rather sedentary in nature. "Stupid mandatory overtime," the rain dragon grumbled to himself as he slammed the car door shut and locked it before heading inside. "I really hope that Askim wasn't waiting too long for me and already started his workout."

When the rain dragon walked inside he was slightly surprised that there was no one there to greet him as usual, but fortunately there was an automated reader there for when he wanted to check in. After hearing the beep from the scanner he walked over to the locker room, looking out into the gym to see if he could see his friend already using one of the machines. When he didn't see any german shepherds working out he breathed a sigh of relief and made his way over to the lockers. He was in such a hurry that he almost opened the door on someone that was coming out.

"Oh, sorry!" Teryx apologized as the bulky tiger looked down at him with a slight smirk.

"Don't worry your pretty little head about it," the feline replied. "Always nice to see others who are eager for a workout. My name is Brent, I'm one of the new trainers around here, if you're late for an appointment I'm sure that I could arrange something with you."

"Just meeting my friend here and running a little late," Teryx informed him. "Thanks for the offer though." Brent just shrugged his shoulders and continued to give him a cocky grin as he walked back out onto the main gym floor, the rain dragon watching as he walked by with his tail swaying seductively in the air. While it wasn't the first time he had been flirted with at the gym most of the time it was done in the lockers or somewhere relatively private and the rain dragon thought about informing him that the owners of the gym frowned upon such behavior before he reminded himself of why he was rushing in the first place.

When Teryx got inside the locker room he found it to be mostly empty, most of the patrons of the gym already out on the floor already since this was one of their busier times. Initially he didn't see Askim anywhere either and for a brief second he wondered if the german shepherd might have abandoned him and walked back to the apartment that they shared as roommates. Normally once they were done with their workout they would both take Teryx's car back to the apartment while discussing what they wanted to do for dinner. Just as he thought that he might be exercising by himself he heard the sound of Askim's voice near the back of the locker room.

Just as the rain dragon was about to turn the corner to announce his presence and apologize once more for his late arrival the scene caused Teryx to stop and back up slightly before revealing himself. What he saw there in the corner was something that he hadn't ever expected to see, the shirtless german shepherd was standing next to a wolf man who was in a thong and the two were leaning so close to one another their chests were almost touching. Though he was too far away to hear exactly what was being said he gathered that it had to be something flirtatious in nature, especially when Askim reached out and put his hand against the muscular chest of the other male. Once again it was something that he had seen before in the gym but the fact that it was his roommate was what really caused the entire scene to be bizarre since he thought that Askim was straight.

It had been one of the defining moments of their friendship, a while after they had moved in Teryx had made a slightly flirty pass at the canine and was immediately met with declarations that he only enjoyed females and that he wasn't gay. That had pretty much been the end of it, save for Askim making sure that he was covered whenever he was in the main areas of the apartment and also leaving when the rain dragon brought someone home for the purpose of bedding them. Aside from the thought that it was completely unnecessary the rain dragon didn't mind, if Askim brought someone home he did the same thing out of curtesy and also tried to remain as clothed as possible to help make the german shepherd comfortable. Now he saw the canine continuing to rub against the wolf's chest as both his shorts and the thong that already hardly contained the lupine's package began to stretch.

Then, it just all suddenly stopped. The wolf blinked in bewilderment as Askim immediately lost interest and walked away, leaving the horny male standing there with a semi-hard erection. Teryx decided to intercept the german shepherd on the other side of the lockers and when he did it caused Askim to jump slightly. "Hey there," Teryx stated with a slight grin. "Hope I'm not interrupting anything?"

"Huh?" Askim replied, the look of confusion that had been on his face growing more as he saw the rain dragon standing there. "No, not really, was just waiting for you to come along. How come you're so late, did work hold you over again?"

This time it was Teryx's turn to look confused as the canine walked right past him towards the door that led out of the gym. While it was possible that the rain dragon may have misread the situation he found it highly unlikely, which meant that something was going on with the german shepherd himself. But it appeared that Askim at the very least didn't want to talk about it and Teryx decided to pull back on his inquiries for the moment even as he watched the canine leave the locker room without wearing a shirt that he usually had on. Instead he decided to ask later at home before the two got to work with their usual weight routine, wading in and hopping on machines whenever they were free.

"Hey Teryx," Askim said as they went over to the free weights, the canine sliding underneath the bench press. "Just going to need a spot here for a rep or two."

Teryx nodded and stood behind the weight bar with his hands ready to assist should it become too much for his friend, though as he started with his reps it was clear that he was going to just be standing around. As he looked down at the other male he couldn't help but notice that the german shepherd looked... bigger, like he had been sneaking in workout sessions and protein shakes when he hadn't been looking. Though their routine had resulted in gains for both males Teryx still had a ways to go in the muscle mass department he had thought that Askim was in the same boat. At this point it looked like the canine was weeks ahead of him and was showing it as he breezed through is reps.

Once he was finished Askim slid back out and Teryx held down his hand to help him up, Askim taking it and hoisting himself up to his feet once more. As he did so the other unoccupied hand found purchase somewhere else, the rain dragon's eyes practically bulging out of his head as he felt his own package get groped by the other male. Almost instantly he looked around to see if anyone had seen it and fortunately everyone appeared to be so preoccupied with their workouts that they didn't notice the transgression that happened. When he turned back to ask Askim what was going on he found that the german shepherd had already moved on, leaving him with a stir of arousal and even more questions than before.

"Askim!" Teryx said as he caught up with his friend, causing the canine to turn around to look at him. "Hey man, what is going on here? What was that back there?"

Once more the german shepherd looked at him with an unknowing look on his face. "I don't know what you mean," he stated simply. "Did something just happen?"

"I'm talking about what just happened at the weight bench!" Teryx exclaimed, though he quickly hushed himself when he realized he had almost been shouting and that it had started to cause anxiety to show in his friend. "You're just sending a lot of mixed signals right now and it's making me wonder if you're... trying to do something but afraid to do it, or what's going on. You know you can tell me, I won't judge you."

It appeared to Teryx that he was going to be denied an explanation once more before the confused look on Askim's face turned to one of concern. "Now that you've mentioned it I think there's something that's been going on," he said in a tone no higher than a whisper. "When I was coming in and waiting for you I've been noticing that the guys around here keep looking at my butt or right at my groin without even hiding it. I mean I knew it happened once in a while but now they're openly staring at me as if I'm some sort of meat on display."

Though that wasn't what Teryx had been looking for in an answer it did cause him to look around the gym to see if Askim's claims were true. Though there was nobody actively looking at them in the moment the rain dragon did notice that much like the german shepherd a lot of regular gym goers seemed fitter than usual. It also quickly became apparent that he was one of the few that had bothered to put on a shirt, which may play a part in noticing how muscular everyone looked. As people moved around it also looked like their fur or scale was shinier than normal, though once more it could have been a trick of the light combined with the bare chested nature of the probably sweaty males.

"There was something else too..." the german shepherd admitted, snapping the rain dragon back to where he was looking. "I'm not sure how it happened but I was in the locker room and before I knew it one of the other guys was..." Teryx could see the other male blushing as he recounted the experience. "But the next thing I know I was being kissed by some tiger guy in the locker room."

The news shocked Teryx almost to the core, not only that someone here had actually so brazen but also that Askim wasn't immediately up in arms about it. "Did you report him?" the rain dragon asked, the german shepherd shaking his head. "Why? Wait... was it that new trainer? Brent?"

"I think that's his name," Askim admitted with a slight shrug of his shoulders.

Teryx decided to get to the bottom of all this bizarre behavior once and for all, telling Askim to head back to the locker room to wait for him while he went and did something about it. It didn't take long for him to find the tiger, who was practically being surrounded by doting admirers while he trained someone else. When he went there to confront him he was taken aback slightly as they all turned their heads towards him at the same time. When the rain dragon said that he needed to speak to Brent alone the tiger dismissed the need and asked if there was some sort of problem.

"You better believe there's a problem," Teryx said angrily. "My friend said that you kissed him in the locker room and now he's all kinds of messed up! I should go to the owner of this place and have you fired."

"So that's what he told you?" Brent replied, Teryx nodding his head before stopping as the feline began to snicker. "If you go to the owner the only thing that'll happen is Askim will get kicked out for inappropriate conduct. You see, he was the one who initiated the kiss with me, not the other way around."

"No way," Teryx replied, slightly shocked at the accusation. "He's straight, he would never do something like that."

"I saw him do it actually," a lion spoke up, one of the few with shirts on as he hopped off his elliptical nearby. "Didn't mean to intrude but I was changing with my pal here and we both saw him go up and kiss the tiger, and when he left we went up and asked him if he wanted us to help him with reporting it and he said that it was alright. Also we saw your friend groping at least two others while he was hanging around the locker room and coming on to more, acting quite bizarrely if you ask me."

Teryx wasn't quite sure where to do with this, especially as others began to come forward from the group that had surrounded Brent to say similar things. Even the wolf that he had seen Askim talking to before had passed by and heard the conversation, adding in that he had been propositioned by the canine to have sex in the sauna. In the end the rain dragon found himself apologizing for his friend and Brent quickly waved it off, saying that everyone here was open-minded and was appreciative of the attention. As Teryx left he did hear the tiger say that perhaps he should go and speak to his friend and see if there was really something the matter.

The rain dragon went to the locker room once again and saw Askim sitting there waiting for him, though it appeared he had taken the time to already change back into his street clothes. "So I talked to the tiger," Teryx stated as he sat down next to the german shepherd. "He said that you were the one that initiated the kiss... and there were a number of other witnesses that backed him up."

"What?" Askim replied in surprise, scratching his head in confusion. "That's... impossible..."

"Are you sure?" Teryx replied, scooting a little closer to him and carefully putting a hand on his shoulder. "You know you can confide on me in anything, even if you're feeling something that you think you might not be able to share with me. If you wanted to experiment with flirting you know you could have just come to me and we could have done so in the comfort of our apartment."

Though the german shepherd looked surprised he didn't move away as the rain dragon took his hand and slid it down from his shoulder to his thigh. While Teryx didn't want to move fast he could see that his ministrations were already having a reaction, seeing the pants that Askim was wearing start to tent slightly. Once more the canine denied that he wanted something like that but the words were definitely not matching the body language. Teryx decided to trust his instinct that the other male wasn't saying what he truly wanted and leaned in even closer while giving Askim a seductive look.

"I... I really don't know... what you're doing..." Askim huffed slightly, grunting slightly as the gowing bulge on in his pants could be practically seen throbbing. "This isn't... right... Teryx... I can't..."

"Can't what?" the rain dragon replied, leaning in with his muzzle and huffing slightly as his hand continued to slide closer along Askm's inner thigh. "You haven't even thought to move away... and after flirting with all those guys I think you're just looking for the right one. I want to be that one..."

In a bold shift Teryx took his palm and did what he heard Askim had done to so many others, placing it directly against the bulge in the german shepherd's pants. The canine gasped and tilted his head back, and as his eyes looked up into the light black tendrils began to appear in the sclera that quickly creeped their way forward until it completely enveloped his eyes. The shiny black orbs blinked a few times as they looked back down at the hand on his groin. Before Teryx could see the strange amalgamation in his friend he also found himself looking down as Askim's hands took the paw on his crotch and put it inside the waistband.

Teryx's heart was practically fluttering in his chest when his friend and roommate moved him, feeling the needy member against the bare skin of his fingers. One of the canine's hands moved over and grabbed him by the chin, the rain dragon's eyes closing as their muzzles connected in a deep kiss. Teryx let out a slightly muffled moan as his own gym shorts began to tent as well, feeling the tongue of the other male almost aggressively begin to probe his mouth. As their kiss became more passionate the rain dragon began to undo the canine's pants, feeling the hands of the german shepherd aiding him until both the cock and draconic hand attached to it sprung free.

Just as their kiss was broken Teryx felt his head get pushed downward, his muzzle brushing against the fur of Askim's pectorals and abs before he found himself staring at the member jutting out in front of him. He had never seen his friend this horny before but he felt himself more than happy to oblige as he took his tongue and licked around the sensitive flesh. It was more than enough to draw out a moan from the canine and as he felt the body trembling beneath him and he became more adventurous by pressing the tip against his lips. In the back of his mind he realized that he was about to give a blow job in an exceptionally public place, but he found his own need overriding such sensibility as he began to slide his muzzle down on the throbbing shaft.

Meanwhile those solid black eyes continued to watch as Teryx began to draw the member into his mouth, a long, shiny black tongue licking his lips. The alien parasite that dwelled inside Askim had been waiting for this moment for quite some time when he was able to lower the defenses of the stubborn male to finally take him over completely. Unlike the others this canine had somehow been able to resist his infection, to the point where it had become infuriating for the parasite that dwelled within. As midnight black lines began to spread over the groin and cock the possessed canine took his hands and put them on the horns of the dragon in order to speed up the process to make both hosts his.

Between Askim's legs a blissful Teryx was unaware of any of this, his eyes closed as he relished the pleasure of the cock being fed into his muzzle. As the german shepherd pulled his head up and down Teryx moved down and began to stroke his own cock, his gym shorts giving easy access to his own member as he did. The dragon was so preoccupied with the member in his maw that he failed to notice the lips and tongue of the other male turning black, watching in eager interest with flecks of shiny black saliva on his lips as he began to thrust his hips forward to get as deep as he could. Though both tried to keep quiet due to being in such a public area their passions had started to spill over as Teryx pulled off for a second to catch his breath.

"So good..." Teryx muttered as the haze of bliss quickly began to settle over him. "After this we should go back to the apartment for some real fun. You don't know how much I've hoped something like this would happen..."

The words of the rain dragon seemed to pierce the psyche of the german shepherd and as Teryx once more began to bob up and down on his cock. The darkness in the canine's sclera vanished and suddenly Askim found himself in the locker room with his pants down, his eyes widening as he saw his friend and roommate sucking him off. "What the hell?!" he shouted, pushing Teryx back hard enough that the rain dragon's back hit the lockers with a loud thud. "What do you think you're doing?!"

"I... what?" Teryx asked in confusion, watching as Askim hastily stood up and put his still half-hard member back into his pants while he made a run for the door. "Hey wait!" Before Teryx was able to do anything he heard the gym door slam shut that likely indicated that the german shepherd had left. That just left the rain dragon with a softening cock and a head full of questions as he tucked himself back into his gym shorts.

"Well that was rather rude," a voice said, Teryx looking over in slight shock at the tiger coming around the corner. Since he hadn't heard the door open or close since Askim he could only imagine that Brent had been there watching the entire time. "Here you were giving yourself to him and he pushes you away, trust me when I know the feeling."

"What are you talking about?" Teryx replied as he stood up and adjusted himself, frowning the entire time. "Apparently he doesn't mind kissing you." He sighed and rubbed his hand through his main as he turned towards the door and looked at it as though something was going to appear there. "I shouldn't have done that... he's my roommate and now I've gone and made things awkward, and the worst part is all I can think about is how horny I am after hitting the brakes like that."

Suddenly Teryx felt the presence of the muscular male right behind him and before he could do or say anything he was pressed against the feline's chest. "That's because you got a taste of what your friend has been fighting ever since he's been here," Brent whispered into the other male's ear. "Something that I'm going to give to you freely since I think you will finally be the one to break him... and because I think you'll make a wonderful host."

At this point Teryx was only half-listening as he felt those large furred hands rub against his body, though as they did something began to change about them. At first he thought that they had just gone above his clothes to continue his ministrations but as he looked down he saw they were still underneath his workout outfit. It was growing increasingly hard to focus on what was wrong though as his member became the same, the arousal that had been building with Askim before the sudden departure now returning with a vengeance. Even as the slick hand rubbed up and down the sensitive flesh of his shaft the rain dragon couldn't register in his mind how it felt like the tiger was wearing latex gloves as he stroked.

With surprising strength Teryx felt himself get lifted off his feet and pushed against the lockers, his feet flailing slightly as his stomach pressed against them while his shirt was ripped of his body. "Yessss..." the tiger hissed, his eyes going pitch black as he hooked the rain dragon's shorts and pulled them down. "Soon I will claim you as ourssss..."

"Well would you do it before someone comes in?" Teryx growled back, his lust-filled mind not quite comprehending the gravity of what the other male was saying as his thoughts were focused on more carnal desires. "If we get caught here then you'll probably get fired and I'll never be allowed to come back here again."

The tiger just chuckled and Teryx braced himself against the metal of the locker as he felt the cock of the male behind him slowly spreading him open. He was about to shout that if he was that big he was going to need some sort of lube but after only a few moments of discomfort he found his tailhole allowing the head to pop inside of him. It was one of the easiest insertions he had ever went through and the tiger was definitely not done there. As inch after inch slid into the pinned dragon he began to notice that felt strange as well, like he was having a dildo inserted into him... but this dildo was very much alive as he felt it throb against his smooth walls.

Had Teryx been able to look backwards he would have seen the fur of the tiger recede, replaced with shiny ebon flesh just like the maleness being shoved inside of him. The alien parasite that had taken over so many others in this gym was more than ready to claim another victim, and as both grunted and moaned from the simulation the rubbery material began to spread. Though it had started to coat over his rear the real assimilation was happening inside his body. Teryx felt like every cell in his body was on fire with pleasure as he could feel it spreading from the cock that was buried deep inside him.

As the tiger started to thrust hard into him the alien parasite continued to spread its tendrils inside the rain dragon's body, acclimating Teryx into being a host as his eyes glazed over in pure lust. Pre began to drip from his draconic dick, normal at first but quickly darkening and turning shiny as it coated over his throbbing member. Raised vein-like structures could be seen pushing up his skin as his muscles, which he had always thought were already pretty toned, began to grow even thicker under the ministration of the parasite infecting him. His abs grew even more defined as Teryx's legs quivered and kicked against the metal locker door before they went completely still, taken over by the alien infesting his spine as it traveled upwards towards its target.

Teryx's moans intensified as he could hardly contain himself anymore, his entire body was shaking against the muscular tiger as he was sandwiched harder between the creature and the lockers. Even being pinned with no way to reach his cock he could feel himself reaching his climax, the unnatural stimulation from the alien feline member against his assimilated prostate was feeding him so much pleasure that it was growing more difficult for him not to black out. Whatever was spreading through him was only causing his need to intensify and when the rain dragon reached the point where he was definitely about to orgasm he felt himself get denied. At this point Teryx was practically panting as the pleasure continued to build in his body as his entire body strained for release that the alien parasite denied him.

Suddenly the lust-soaked dragon felt something that cut through the fog and caused his eyes to shoot open in shock. The rubber tendrils of the alien creature had quickly woven through the central nervous system of the infected male and had reached the brain, spreading out and assimilating it as the eyes of Teryx began to have shiny blackness spread over them. At the same time the alien finally allowed him to cum, the rain dragon's mouth opening wide as he splattered his corrupted seed against the lockers while a rubber tongue snaked its way out of his mouth and black drool leaked down his cheeks. He could also feel the tiger behind him climax as well, a reward for the host for infecting such a prime specimen of creature.

Their shared orgasm continued on and on as the alien creature took over the rain dragon's mind, using the intense pleasure to break down any flimsy barriers of resistance as the black alien rubber leaked out of his ears and nose. As Teryx became one with the parasite he began to sense the others, not just the fully latex tiger behind him but several others that the infected trainer had gotten to. He realized that Askim had been one of them, Brent kissing him in the locker room in order to assimilate the german shepherd before something caused him to stop. It was some sort of resistance, a genetic or chemical anomaly that caused the parasite to fail where he had succeeded with several others after having sex with them either in a private office or the communal showers.

But that was where Teryx came in, even as that thick cock continued to pump in and out of his converted insides his mind was also being filled with new direction. Askim had faltered slightly with him where the others had failed, and the parasite knew that with enough pushing from this form he would be able to finally take the resisting male as his own. Even with the rubbery substance still cascading over the head and body of the rain dragon as their orgasms began to subside. The two assimilated creatures began to breathe in unison as the tiger ran his smooth hands over the sides of the transforming dragon, feeling Teryx continue to succumb even after the climax had faded.

"A fine host indeed," the tiger stated with a pleasured sigh as the rubbery substance continued to spread outside of the rain dragon's body, Teryx's eyes now solid black orbs as his face went from ecstasy to relaxed. "Askim cannot be allowed to remain only partially infected..."

"...but with this body as a lure," Teryx began to speak, the same smirk the tiger had appearing on his own muzzle. "We will finally get what we want. It is time to claim what is rightfully ours..."