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Quite the Workout

Moving to a small town up on the North Coast wasn't a drastic change for Harold. In fact the cool breeze from the ocean was a relief from the heat that can build up in the valley throughout the day. Despite having a thick coat, the binturong's black and gray fur was more suited to deal with the tropical heat and water.

Harold had spent many summer afternoons taking a dip in the local pool to ease off the heat back home. The daily ritual helped him obtained a toned body, which combined with his regular workout routines gave him that classic bodybuilder frame.

He had only about a week to move and his employer told him to expect living up in the North Coast for at least a couple of months to do some on site research on some fish die offs. Harold was told to meet with a Martin Lindermann who would be helping him by conducting the necropsy first before handling collected fish liver samples down his way.

The drive was a pleasant one. He took the Pacific Coast Highway up to North Coast to a small town near the site of the fish die offs. It was a quaint town that obviously made a lot of money from tourism with hiking guides and visits to the local lighthouse. He made his way into a small rental duplex not far from the main road.

As he slowed to a stop on the dirt driveway, he saw the front door open. There stood a massive tiger, the tiny door frame just barely large enough for him to squeeze through. As he walked towards the car, Harold could see every inch of muscle shifting beneath his long sleeve. His mouth immediately went agape and began drooling at the sight of this hunk.

"Are you Dr. Winters?" questioned the tiger. He had to bend over slightly to be on the same eye level as Harold, balancing himself by gripping the top of the car.

"It's Harold," gulped the nervous disturbing, "Harold Winters. I haven't earned my doctorate yet."

It took all of Harold mental fortitude to maintain eye contact with the handsome tiger and the natural musk coming out of the exposed armpits wasn't him helping at all.

"I'm Martin Lindermann," replied the tiger with a big grin. "You have some nice blue eyes. They're almost as blue as mine"

He outstretched his hand for a shake. As Harold moved his eyes down to coordinate his body to do the same, he caught a glimpse of the deep canyon between the tiger's chest. He was blushing, no doubt about it. The tiger's grip was firm and gentle, which gave the nervous bearcat shocks down his spine.

"Let me help you unload. I uh, already furnished your side of the duplex a little bit. I hope you don't mind."

"No, no, not at all."

Harold popped open the trunk before trying to take a minute to collect his thoughts and reduce the problem area between his pants. However, when he opened his eyes, the sight of the tiger moving boxes with ease didn't help. The tiger's back was well defined beneath that long sleeve. As he squat down to the set down the boxes he could hear the tiger grunt and heave.

Licking his lips, the binturong quickly got out of his car and grabbed his duffel bag of clothes and set it in front of himself. As he turned to enter the house, his face got between the tiger's mounds of meat. Harold's body entered bliss as his nose took in a full whiff of the tiger's scent.

"Wow," said Martin, "You're a lot shorter than I expected. How tall are you?"

"5'9"," murmured Harold from between the tiger's pecs. He could have sworn to hear some kind of sloshing from within the tiger and he wanted nothing more than just to stay there.

"Hehe, why don't you go inside and get acquainted with your new home. I'll bring in these boxes for you." With a gentle tug, he pulled Harold out.

Harold obliged. As he teetered off to enter his temporary home he could continue to hear Martin grunting as he unloaded his car. The house was decent, a bathroom, a kitchen, a bedroom, and a living room. Looking around, he couldn't believe that the massive tiger next door lived in a mirrored version of this space. If he had to guess, Martin was at least more than a foot taller than him.

After finishing exploring the rooms and noting the beds tables, and drawers in place, he walked out to driveway and saw the tiger closing his car.

"Done exploring?"

"Yeah," replied Harold, "It's really nice."

"Do you work out?" asked the tiger, "I noticed you have some protein powder and some weights."

"Yeah. I mostly just swim to work out. Speaking of which, is there a gym in this town?"

"How about the pool in the back?"

"There's a pool?"

They both walked out to the back of the duplex. Martin pointed to the tarp covering the ground. Together, they both removed the tarp and cinder blocks holding them in place. It was an empty pool with a few pine needles here and there, but overall, Harold was impressed at the size of it.

"Amazing. Do you think the landlord would let me fill it up?" asked Harold.

"Sure, I can ask," replied Martin. He quickly pulled out his phone from his pocket and mockingly put in a call, "He says yes."

"You own this property?"

"Yup, I can get this filled up for you, but first you should go check out the lab set up down the street. The key card should be on your dresser inside."

"Alright, I'll be back soon."

Harold nodded and went inside to fetch the keys. Before leaving he spied the tiger with a broom sweeping out pine needles. Twirling the keyring in his fingers he couldn't wait to start working and living here, especially with a neighbor like Martin.

.............................

About an hour had passed when Harold returned from the lab. He was slightly impressed with what equipment they had for testing and he had familiarized himself with where chemicals were stored and the like. The SOPs were simple and everything was pretty straight forward.

As Harold returned home, he knocked on Martin's door to see if he was home. He had forgotten to exchange phone numbers before he left. Not hearing a response, he entered his side of the duplex and began settling back in.

When he got to his bedroom he noticed a sticky note on his bedroom door.

"Hey Harold, the pool is all set up if you want to go in for a swim. Don't worry about the water being too cold, it's heated. - Martin."

"How the hell did Martin get the pool filled up so quickly?" Pondered Harold. He peaked out his back sliding door and noticed that the pool was in fact filled. "I might as well take a dip before sunset."

Harold searched through his boxes and managed to find a pair of speedos next to his dive suit he brought just in case. Stripping down to his fur, he slipped on his speedos, rounding out the bulge of package. He turned to the mirror next to his dresser and took a moment to admire his form.

Although he was short, his body was built. His pectorals ballooned in front of him and his arms were sculpted. Despite the thick black fur on his back and shoulders, his muscular definition was still visible from behind. His legs however were not as easily visible, but they still rippled with the same strength as the rest of his form. He struck some poses as he stretched in front of the mirror. While not as vascular as Martin, he was satisfied with his form, but knowing what his neighbor was packing made him drool.

He didn't know where Martin went, but Harold figured he'll be home later. As the binturong stepped out into the cold air, he shivered a bit. There was a table nearby where Harold put down his towel and continued stretching. He couldn't help but feel he was being watched. His ears pricked up, straining for any foreign noises, but he heard nothing unusual.

After warming up, Harold donned on some goggles. Bending over the pool he splashed the water a bit with his hands. It was warm and pleasant to the touch. Taking a step forward, he slowly let himself sink into the water. As the water brushed against his fur, he could feel the heat slowly smothering him, causing all his muscles to warm up.

Harold further let himself sink into the water, taking in the heat in this cold place. He dunked his head underwater and kicked off the pool wall, launching him forward. It was nice that even in this place he would be able to stay in shape by swimming. 20 minutes passed before Harold took a break at the edge of pool and his heart was racing.

"How was the swim?"

The voice startled Harold. Turning around he strained his head and eyes looking for the source, but his goggles obscured his vision.

"It was a good swim," replied Harold, trying to empty his ears of water, "Is that you Martin? Where did you go?"

He felt a warm muscular arm wrap around him from behind. Blushing, Harold reached up to grab the tiger's head, but something was different about him. There was audible wet slap when his arms made contact and instead of feeling fur it felt like he was touching a jellyfish. As he turned to get a better look at the tiger, he was greeted with a smiling friendly face that shimmered in the few rays of sunlight that penetrated the forest.

"Surprised?" whispered the tiger before planting a big kiss on Harold.

"You... this pool... How...?"

The large goo tiger hugged the binturong, pressing him firmly against his hardened pecs. "I know you have a lot of questions," gurgled the tiger, "But I'll answer only one for now". He released his grip and let the binturong float away towards the middle of the pool.

Harold was befuddled. He moved his arms side to side across the "water" and he could feel its consistency shift and change as the goo tiger at the other end grinned sheepishly. Harold cupped his hands and scooped up a small amount of the liquid and brought it up to his face. A small thin appendage emerged from the goop and tickled his nose, causing him to sneeze.

"Hey could you not, you know sneeze on me?" smiled the tiger.

Harold couldn't believe what was happening. He's had fantasies before, but he never thought it would ever happen. He swam a little bit in circles before swimming back towards Martin. As he pondered his question, he could feel the water caressing him and massaging him, which gave him an idea.

"I guess my one question would be... What else can you do?"

Martin grinned a wolfish smile. He wrapped his arms around Harold and brought him towards the center of the pool. The goo began to harden and became less translucent, creating a sort of island for Harold to lay on. Meanwhile, the goo tiger climbed on top of hem, smothering his goopy body all over Harold.

He let out a moan as his entire body, except for his head, was covered like a blanket by Martin. His entire lower body was covered by a formless goo, but Martin retained his upper body and arms to hold onto the other male. Despite this wet form, Harold could still feel the tiger's muscles and veins pulsing throughout his form. The tiger planted another big goopy kiss on his lips, leaving strands of goop. Feeling invisible hands rub down his legs, Harold tilted his head over to see through the goop.

He could feel his speedos being tugged off by an invisible force. Looking back at the tiger's face, he saw that familiar smile and his eyebrows raised, winking. He peered through the tiger's body and saw his speedos slowly being pulled off. Taking in a deep breath and biting his lips, Harold felt his speedos slip off, allowing his package to spring to life into the warm goop.

It was a brand new experience for Harold as Martin launched an assault on all of his senses. He could feel his cock being tugged and moistened as an invisible mouth worked him all over. Martin's ballooned pecs met Harold's and immediately began shifting and rubbing against Harold, which created a squeaking noise like latex.

"Hehe," giggled Harold, "Is there any kink you can't do?"

"Hmm...." pondered Martin, "How about this?

The tiger lifted himself off of Harold and created tentacles to bind him down. Martin slowly grew his already massive pecs and began rubbing his nipples. Harold could hear goo sloshing about from within. He let his tongue roll out in preparation for the flood. In a matter of seconds, Martin's pecs swelled to twice their original size before his nipples erupted and unleashed a wave of goo onto Harold.

"How was that? I can do it again if you're into that stuff." said the tiger. He began rubbing his muscles again, causing them to swell once more.

"You taste good," responded Harold. Licking off some of the goo leftover on his face.

"Really? No one's ever told me that before."

A thought crossed Harold's mind. Looking at his partner, Martin responded instinctively as if he read his mind.

"Have you ever... done it before? I mean, I wouldn't know how..."

"A couple of times. Do you think your body can handle it?"

"Yeah. I've fantasized about these kind of things."

Leaning in, the tiger gave Harold a deep passionate kiss, slowly edging his tongue deeper and deeper into his throat. Harold gagged, feeling a strange a warm sensation beginning to emanate from his belly.

"Breathe normally," cooed the goo tiger, "Don't worry I'll help you overcome your reflexes."

Harold gargled a bit before slowly relaxing and allowing the thick goop to pour down his throat. As he lay there, Martin began condensing himself into a thicker and more viscous liquid, causing the pool to recede. Despite being denser, as Martin poured himself into Harold it felt as if he was drinking a warm cup of tea.

"Morrrargh!" gurgled Harold, "Fiall mae!"

"I can only go so fast" chucked Martin, "Unless..."

Harold nodded and gestured towards the lower regions. Martin gleefully replied. Breaking off his kiss, he turned towards the binturong's cock. Turning back towards Harold he gave a slight burp. He saw another nod before a tentacle was stuffed into his face to resume the pumping.

Licking his lips, the tiger allowed his tongue to descend downwards across his meaty chest and abs, and onto Harold's cock. The dexterous tongue wrapped around the flesh. Slowly it began pulling and pumping, which sent Harold on a blissful coma.

The tiger was enjoying it too. Taking deep breathes, he nearly lost focus and spilled a large amount of goo onto his partner's cock. Snapping back into focus, he assimilated the goo into his growing and thickening tongue and then pushed it into Harold's slit.

There was an audible grunt from Harold. A grunt that was deeper than before. Turning to see how much progress Martin was making, he was enjoying the first fruits of Harold's transformation. Already, his face was more chiseled and sculpted as his jaw bones extended a bit to allow for more of Martin.

Speaking of growth, Martin returned his attention to Harold's cock. Enclosing his hands around the comparatively smaller cock, he began to allow himself to further grow Harold from the inside. Sensing the growth, Harold began to flail his arms and legs at the extreme sensation, to which Martin responded with more tentacles to hold him down.

But it wouldn't hold the growing beast for long. There was an audible stretching noise. Muscles were expanding in Harold's arms and Martin could feel the tension he was putting on the binds. Acting quickly, the tiger shifted his goo form underneath Harold and lifted him into the air with a series of thick tentacles. Shuffling over to exposed wall of the deep end, the goo bound him against the wall.

"Relax Harold, you're just experiencing a little bit of roid rage, which is a bit of a side of effect of well me" chuckled the tiger. The muscled bearcat tried chomping off the tentacle in his mouth, causing bits of goo to fly off, but another tentacle always found an opportunity to slip in.

However the bearcat took this distraction as a chance to break off Martin's bind on his legs. Using his even more powerful legs, he kicked off the side of the wall. He crashed into the goopy tiger, sending bits of him all about the now shallow pool.

Blinded by his rage, the predator looked for his quarry. Grunting heavily as his eyes, ears, and nose searched for him.

"Oh... This should be fun..." came a voice from behind.

Turning quickly, Harold swiped at the tentacle.

"It's like whack-a-tentacle" giggled Martin. The feral beast continued stomping about, swiping at advances to the left and to the right.

Slowly, the tiger began forming himself behind Martin. He pulled as much of his remaining goo into himself, soaring above the pool, all while trying to keep the muscled maniac distracted. Sensing the growing shadow behind him, Harold spun around and extended his tail to chop the goo tiger in midsection, causing the rest of the goo to collapse down upon him.

"I forgot what a long tail you have," chuckled Martin, "But let's finish this!"

The remaining goo in the pool gathered into one mass on the other end of the pool and sped towards Harold. The wave knocked Harold into the pool wall and took the wind out of him. Condensing quickly, the tiger returned to his original size and color, albeit a bit goopier. Pinning Harold up against the wall with his larger and more muscular arms, Martin plunged his pink tongue down Harold's throat, causing him to squirm again in bliss.

Meanwhile tentacles began springing up from Martin's back began to stuff themselves into Harold's ass, cock, and even his nipples as the two began to hold onto each other ever closer face to face. Using his tail and legs, Harold pushed off against the wall, forcing Martin to bear the growing bearcat's weight, as they hung onto each other. Harold let out a loud yelp as the tentacles pumped more of Martin into him.

"Almost done, Harold," whispered Martin. He was beginning to lose his form as now most of his mass resided inside Harold. Letting the muscle gutted fur slump to the ground, Martin gathered the leftover goo to give Harold one last kiss before slipping down his throat.

................

He could feel Martin moving about from within his body. While no longer in a roid rage, Harold could feel the goo tiger working his magic from within as his veins would let out an audible sound as he traveled. His body was exhausted from the earlier ordeal so he just lay there at the bottom of the pool.

Although his belly and pecs had swollen from Martin's work, he could still see the tip of his cock standing erect begging for release. The veins around his cock pulsed every now and then, no doubt from Martin's workings.

After a few minutes, Harold could feel his body start to burn as his metabolism rapidly increased. His heart began racing and his muscles began straining again as if he had just finished a heavy workout. He let out an audible groan, which felt foreign to him as it was far deeper than his original voice.

Looking down, Harold could see his pecs move and flex on their own. With each twitch he could see them getting bigger and harder. Looking at his arms the same was happening as well. He flexed it a bit and saw his bicep becoming rounder and larger. His view shifted slightly as Martin quickly got to work on Harold's back muscles. As they thickened it pushed Harold up from the floor.

Slowly, Harold's muscle gut was slowly disappearing and he could feel Martin moving downwards towards his abs and legs. Each pair of abdominal muscle began popping out. Even Harold's bones began growing to better support the added muscle mass. He estimated that Martin was adding at least six inches as he felt his back drag stretch along the floor.

Harold was sweating profusely, which created a small pool of musky wetness around him. Gasping for breath, Harold hoped Martin would finish up. Despite his wishes, the growth spurt continued at a leisurely pace to the benefit of both Harold and Martin.

More popping noises came from Harold's legs as Martin worked them be a bit longer and stronger to support the new mass. Even his tail got the treatment as Harold noticed his wagging tail lengthened and got a bit thicker.

After a short break, expecting the transformation to be done, Harold slowly tried to get up. However, unused to his new form, he stumbled a bit and noticed another improvement Martin had made. Beneath the cock that already dangled past his knees was a massive sac that nearly touched the ground. He feel a heavy mass of liquid resting there, giving hints to what it might be.

"I'm guessing this how you plan on getting out?" chuckled Harold.

A small incomprehensible noise came from the sac. Rubbing his face, Harold reached to grab his cock to rub Martin out. The instant his hand made contact with his flesh, sparks of ecstasy flooded his mind. Already, a combination of pre and Martin began spurting out of his cock.

Pumping ever faster, Harold felt his cock surging even larger. Whatever modification Martin had made, he was enjoying it. Now he was both a shower and a grower. Pulling his cock to his face with ease, Harold began licking it. This was certainly a new experience for him as he watched more pre flood out of the tip and drip down his now glistening muscled body.

Sitting down he grabbed his new mass and began pumping furiously. Shots of pleasure rang throughout his mind with each full retraction of his foreskin. As he neared climax he could feel Martin pushing his way up to the top, causing a bulge to grow just beneath the head of Harold's cock.

Letting out an earsplitting roar, Harold sent both cum and goo flying into the sky above in thick ropes. As he continued to climax he could feel himself getting lighter as Martin exited his body. He didn't know how long he climaxed, but the pool slowly began refilling with a warm liquid that lapped against his body.

When his arms became tired, he let his cock flop downwards and continued to fire off loads into the deepening pool. Sitting down, he noticed his pecs were sloshing a little bit with every breath he took. Bringing his cum covered hands to his nipples he slowly rubbed them until they too began leaking goo into the pool.

Despite being nearly out of breath and a bit disorientated, he noticed a mass of goo emerging in front of him. It was Martin pulling himself together from out of the mix of himself and the cum.

"Tired?" asked the tiger.

"I've never been more awake in my entire life." happily responded Harold.

"Good"

The taller tiger put his hands on Harold's shoulders and used a tentacle to position his cock right between the firm gooey ass. Licking his lips, the tiger forcefully thrust himself onto Harold, causing him to yelp once more and climax again. Through the tiger's form, Harold could see bits of his ejaculation enter Martin's form.

"Ah yeah...." cooed the tiger. As he rubbed his belly, Harold could feel his cock being worked until every last drop of goo was coaxed out of Harold's system.

"How much more time do you need?" asked Harold.

"Heh... Be patient and just sit back and enjoy it" replied Martin as he continued riding the hulking fur.

.........................

The next morning Harold woke up oddly refreshed and in his bed. Getting up he noticed he still retained almost every inch of muscle mass he had gained from the night before. Opening the door, he noticed Martin, in his normal form, cooking with nothing but an apron in his kitchen.

"Good morning dear." whispered Martin.

"So is this permanent?" asked Harold, striking a pose for his neighbor.

"So long as you keep working out" smiled Martin, "I'll be done cooking soon, you should finish unpacking."

Harold nodded. Opening his boxes, he began taking out things and set them about. Books, trinkets, and the like were all strewn about the apartment. Curious, he noticed he couldn't find any of his workout supplements.

"Hey Martin, have you seen my protein powder?" called Harold.

Untying his apron and setting it on the chair, Martin walked over to Harold, letting his cock dangle about. Despite the events of last night, he too was still just as tall and packing as before. Hugging the shorter fur, he began smooching the thick muscles Harold had grown last night.

"Of course I've seen your protein powder. It's all right here..."

~End