Body Heat and Brotherly Love

Story by Joshiah on SoFurry

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#81 of Incest Stories (Others)

A sort of pseudo-sequel to "Nothing Better Than Body Heat," (https://www.sofurry.com/view/1562859) this story takes a look at what would happen if a different adventurer happened upon Rainier and Reina in the mountain wilderness!

This version features Aaron, a marbled fox that is no stranger to dangerous situations. This time, however, he's in over his head when the sun goes down behind his ears. A deep cold washes over the mountain, his limbs start to go numb, and just in time...Rainier finds him in the snow and escorts him to safety.

After a comforting night of rest, Aaron is offered a chaperone down to the bottom of the mountain, but he refuses to turn back. With the conquest of Mount Staggerclaw waiting for him, Aaron decides to carry on, prompting the husky twins to offer him an upgrade. He willingly accepts the transformation...and Reina's unique way of making him a member of the pack.

Commissions are open! https://docs.google.com/document/d/1M4k7uyTIRESrkmEhcuQPtznK7qDFrDH358Vk9-bYrGY/edit?usp=sharing With a week left in the block, we've got a few words left to sell!

Wanna give me a little extra love? Check out Patreon and SubscribeStar! https://www.patreon.com/Joshiah https://subscribestar.adult/joshiahswrittenworks

As always, read, comment and enjoy!


Aaron thought he was familiar with bitter cold from his time in the military, but he'd underestimated just how brutal the winds to the north could be...and the winds were the least of his problems.

As the sun began fading behind the stabbing tip of the mountain peak, the marbled fox began to wonder if he'd bitten off more than he could chew. There was plenty of advice in the small town at the base of the mountain that should have steered him away from it, and the fact that people were pouring him free drinks even the morning of the excursion told him that no one was expecting to see him again.

Whether it was legend or fact that going up the mountain alone was certain death, he decided to find out on his own.

"F...Fucking...s-sun..."

He couldn't speak without chattering his teeth together. Just opening his mouth was painful enough, as icy winds tore his lips and left them bloody, but the air going down into his throat was no more pleasant than it was on the surface. Tiny clouds of steam from the edge of his tongue dared to freeze the moment they hit the air, and bringing paws up to capture that warmth wasn't enough to keep them from going numb.

Even with his full coat, two layers of gloves and thick, heavy boots, the small vulpine was worried that hypothermia would settle in quick if he didn't make it down the side of the mountain...but as treacherous as it was to reach near the summit, going back down those crags in the dark and snow would be a truly perilous journey.

As little of a supply pack as he was able to bring, there was always flint and steel handy, and around him, there were just enough remnants of trees that he was able to whittle down a little bundle of kindling...but there were hardly any branches left for him to burn.

It didn't sit well with him, but Aaron was going to have to cut down something larger if he was going to survive the night.

"Hopefully there's no stipulation about c-cutting down a f-few baby trees," Aaron groaned at the prospect, but he was already long past concerns about a fine. "If there is, h-hopefully they can h-help me down the mountain while they're at it!"

Aaron really didn't expect to be found, as far away from society as he was. He was over two vertical miles up, and the combination of frigid air, thin oxygen and rugged terrain made the summit of the mountain a nearly impossible place to live.

"There's plenty enough wood to go around," a voice explained, coming from behind him.

Even though he was in pitch darkness, Aaron had his wits about him: his turn to slash back at wherever the voice came from was smooth and calculated...but his response was slowed by the cold.

The paw that caught his arm had an impressively soft grip, and the sensation of it clenching down around his wrist was comforting, more than anything else.

"Didn't think you'd meet any company out here, did you?"

Aaron turned around just enough to gaze into the wide, thick chest of a taller creature; if he knew that he was safe, he would have pushed his face right into the soft, warm bed of fur that had been presented to him.

"It might be a bit too early t-to call you c-company," Aaron tried to argue, but he could feel his temperature dropping fast: he couldn't afford to stand still for long until his fire was built. "But for a spot around a f-fire, I'd...w-well, I'd be willing to d-do a lot, right now."

"Does it matter if that fire is in a cave?"

"Even better."

Whoever had come upon him, they were a tall and powerful man, with such strength that lifting Aaron by the wrist was no trouble at all. In a brief moment of true role reversal, the marbled fox felt helpless as he was dangled, but his expression made it clear that he didn't appreciate being treated like a toy by the larger male.

"I'll take that glare as a sign that you don't want me to carry you back there."

"I can walk j-just fine," Aaron growled, but his voice was empty of bravado: the elements had taken their toll on him. "Long as it isn't t-too far."

Stubbornness kept Aaron on his footpaws the whole way back to the cave...but he was glad that there was a new companion to lean on.

**

Hypothermia didn't quite have a chance to set in, but Aaron was still trembling when he stirred awake; he didn't even remember falling asleep.

"Seems you found him just in the nick of time, didn't you?"

The voice that greeted him when he awoke wasn't the same one that he'd heard the evening before. It was softer and sweeter, laced with genuine concern for his condition.

"He might have survived the night on his own out there- seems pretty resourceful- but I didn't see a point in taking a chance with that."

"I'll bet he looks a lot more comfortable in here than he did out there..."

"I wouldn't know. You've been standing in the way for the last hour."

One of the voices was the one from the night before, and just at the sound of it, Aaron flattened his ears and tried to roll over on the cot he'd been provided. He didn't know who put him in it, but they'd taken the liberty of stripping away his soaked clothing and setting it near a fire to dry out; the blanket was pressed right up to the now warmed surface of his fur.

He would have been more bashful about that fact, but he'd been in life-or-death situations before, and knew that there was no time for modesty when survival was on the line.

"She's just being a dear, keeping an eye out for me," Aaron finally spoke as he tried to pry his eyes open and take in the situation. He could see something soft and fluffy above him, and from the middle of a wavy field of gray and white, twin orbs of crystalline blue were blinking in and out of existence.

His mind could gather that it was the concerned stare of the woman who'd tended to him, but even before her beauty came into focus, he was taken with her kindly personality.

"She doesn't get out enough, so she's always enamored when we have a new visitor," the man explained. Though they shared only a small cave, he was still far enough away that he had to walk over with a small, lukewarm cup of purified water. "But I've heard her company does wonders for the healing of body and soul."

Spots in his vision began to clear as Aaron rubbed the corners of his eyes. With a few more blinks, he squinted and saw the warm, kindly smile of a female husky, looming over him with a larger body, but somehow a smaller, easier presence.

"Ignore my brother," she told him. "He just takes strangers for granted from time to time...but since we live at the top of a mountain, I'm not so picky about my company."

"You seem like great company to me," Aaron replied. With his body warming and his energy revitalized, he slipped right back into the gentlemanly stature that he was known for. "Might I have your name, and the price I owe for you saving me?"

"I'm Reina," she answered. "It's a pleasure to meet you, stranger...and you don't owe us a thing."

"Perhaps an explanation of why you were out there so late at night by yourself would suffice as payment," her brother demanded. "Call me Rainier, by the way."

"Pleased to make your acquaintance, Reina," Aaron answered to her first. "And you can call me Aaron...as for my reason going up the mountain, I'm sure it's the same as plenty of other people that have come through here before me."

"Seeking the glory of being the first one to reach the top?"

"Exactly that," Aaron confirmed. "And while I'm forever in your debt for the hospitality, I've gotta get back on the path before the sun goes down again."

With just a single pawtip, Reina kept him pinned against the cot, but the placement of her pad to his nose was more a gesture of affection than force. "You passed out from exhaustion and nearly froze to death outside, Aaron. You're not going anywhere until you're fully healed and rested."

"Not to mention that you'd never make it to the top with such a flimsy coat of fur, anyway," Rainier added. "I don't doubt your skills for making it this far, but the fact is that you're not built for surviving the brutal conditions that are waiting for you near the top."

"That's what the parka is for."

"Your parka won't quite be enough," Reina confirmed. "It's an admirable strategy, but unless you find a way to carry fire with you up the side of the cliffs, you'll still be in terrible danger when the sun goes down. It's for the best if you don't try to finish the trek."

Rainier was cocky, Reina was concerned; both of them simply wanted to see the marbled fox make it home safe and sound.

"Is there any advice you can give me, then? I appreciate the warnings and all, but I set out to finish this journey, and only one man gets to be the first to reach the peak. I'd like it to be me."

"My advice is for you just to stay here," Rainier said, "Better yet, you could head back to town where it's even safer than this, so you're not hogging all the blankets again tomorrow night."

"Rainier!" Reina chastised her brother and knelt by the vulpine's side. "He's just a little abrasive...don't let it get to you."

"Grittier than sandpaper," he agreed. "I understand."

"As for your predicament, well...there's only one thing I can give you to help you out, but it's a fairly heavy commitment. You might need some time to think it over."

"If it'll help me get to the top, I'm interested," Aaron replied. "What do you have?"

Aaron was kept in a small corner in the back of the cave, away from the main bed and kitchen. There wasn't much else of note there, but the place he was resting was clearly a small medical bay, and to Reina's side, there were a number of different ointments and salves, derived from natural ingredients that could only be found near the top of the mountain.

She took one in a careful palm and held it over his muzzle. Giving it a cautious swirl, she captured his attention as the thin, minty fluid sloshed around and settled once more.

"This salve, as it were, can give you the kind of body that will help you survive a trip to the top of the mountain," she explained. "If I place it on you and work it into your flesh, you'll become just like one of us...the bond created at the point of working it into your skin is what will give you the same properties. It's a fairly quick change, but the effects could be _permanent..._we're not completely sure."

The risk of permanence wasn't lost on Aaron, but he didn't give it much thought, given the other status that would come with being the first man at the top of the mountain.

Being the first was a permanent title, as well, and having to change himself to achieve it only served as further evidence of the sacrifice that he was willing to make to overcome the obstacles ahead.

"I'm afraid you weren't able to talk me out of it," Aaron shook his head. "I'm still interested in giving it a try."

Reina was immediately flustered at his eager acceptance. "I forgot one _tiny_detail, as well."

Aaron raised a brow.

"The ointment has to be applied...to...a very intimate part of your body to work. And I can't just use my paws, either."

There was something mystical about the ointment, to be sure, and Aaron was curious why it required such a sensual application to work.

He was magnitudes more interested in sharing that sensuality with Reina, who had completely captured his attention.

"Sounds to me like you're the one having hang-ups about that, Reina. For what it's worth, I don't need to think twice about it..."

She didn't notice his member slowly emerging from the sheath right away, but as it pushed up against the rough fabric of the sheet over his lap, it created a bulge that she couldn't possibly ignore.

Reina was indeed bashful, but she was also trapped atop a mountain with only her brother for company: her body was riddled with the same wants and needs as any other young, healthy woman.

"I don't need to think twice," she began to explain, as she moved the sheet away from his lower half with her free paw. "But you're so nice to think about that I just might do it, anyway..."

Even by Aaron's standards, the line was cheesy. "Actions speak a lot louder than words, though...and I'm pretty sure that counts for thoughts, too," he teased her right back, seeming entirely comfortable with the way she exposed his naked form. "And in that regard, I hope you'll do something else twice, too."

"I sure hope it takes more than two times to get the job done," Reina joked, catching on rather fast. Her brother knew it well, but Aaron was unaware of just how quickly she came out of her shell once she relaxed; he'd already loosened her up with his kindly nature and playful tone. "I've heard that foxes have a little more endurance than ordinary canines do...and I'd hate to be disappointed."

The fact that Aaron was so willing to give himself over to Reina was a turn-on for her, and much to the vulpine's surprise, it wasn't just having an effect on her: Rainier was looking over from the small, modest kitchen with a grin on his muzzle, as if he knew that his sister was going to go through with this from the start.

A bright, reddish-pink tip emerging from the husky's sheath left Aaron examining the larger male from the corner of his eye, but the slow, easy trickle of the fluid over the tip of his own cock brought his focus right back to the task at hand.

"I do pride myself on performance, but with a beauty like you, there's no way I'll be able to live up to the legends," Aaron warned her. He stifled a moan in the next moment as she worked her paws on either side of his shaft and worked the ointment in, and just before the warmth of her folds came to settle near the head, he felt a chill running through his loins, so deep that he shivered.

The mingled sensations of warm and cold wrapped around his flesh like icicles falling into a funeral pyre, but it was heat that won the day as Reina parted her womanhood over his tapered length. "You don't need to flatter me any longer," Reina assured him. "I won't complain if you still do, but you said it yourself: actions speak louder than words..."

"Does that mean I should get to work?"

She nodded and licked her grinning lips. "Smart boy."

Her body was so much larger than his that he couldn't overpower her physically, but it still felt like she was giving him the reins. Despite sitting in his lap, she only rolled herself slowly on his member as she became familiar with it, as if her inner muscles wanted to preserve the memory of what he felt like before he changed.

With even that first drop of her hips, Aaron could already see the transformation beginning, and every pass of her slick, welcoming insides against his twitching cock brought out more of the husky that was hiding inside of him.

It started with the fur.

"Smart...o-or maybe I'd just hate to keep a lady waiting," Aaron explained, keeping up his gentlemanly wiles, even when Reina was picking up her pace.

Slow, long rolls shifted into the weight of her full, round backside dropping down on Aaron with a bit of force; the cot was going to get a workout that afternoon, but it was up to the task as much as the marbled fox was.

He couldn't back out anymore, and with slowly growing paws, he asserted that he didn't want to, no matter what the cost would be.

"Squeeze her ass like you mean it," Rainier said, making his presence known again in a sinister way. "Trust me, little guy...she'll absolutely love that."

Smaller digits were growing thick wide heavy, canine power as Aaron let his palms settle on Reina's curve, but at her brother's advice, he put the growing flesh to work and clenched hard at her soft, supple ass. It molded to his touch and gave way to his whims, and immediately, he was rewarded with an internal clench that kept Reina seated in his lap for a moment.

"D...Don't be a dick, Rainier," Reina looked over her shoulder and glared at him, but she couldn't keep her soft, curled tail from lifting for him, either. "I'm trying t-to last for him!"

"He doesn't need you to last," Rainier reminded her, as he stepped a little closer to the action. His paw came down and rested a single digit against the pucker of her tailhole, spreading it just slightly against the weight of his thumb. "He needs you to cum , so the transformation can be completed...you're being selfish with his time."

Reina couldn't deny what her brother was saying. She'd come to quickly enjoy Aaron's company, but she could easily give herself over to a climax whenever she wanted...and even as she bounced upon him, she could see the telltale markings of the fox fading behind an overcoat of thick, dark gray, while his tummy began shifting over to a white that was so pure and untouched, it mimicked the virgin snow that fell outside.

His snout was growing wider as she leaned forward and moved a little closer to the newcomer, resting her full, supple breasts against his chest. "I certainly am," Reina admitted. As she did, she gave Aaron a bit of a dreamy look and demonstrated just how flexible she was; her hips were still bouncing, despite her snout pushing into the underside of his chin. "But he sure doesn't seem to mind it..."

Aaron didn't think he'd ever have trouble dividing his attention between himself and a partner, but he'd never been physically changed in the middle of the act before. He was used to taking a dominant role and worrying about his own needs first, but Reina was treating him like he was a king; her paws stroked the slowly elongating fur at his sides and directly admired the muscles that were growing underneath, and her inner muscles milked slowly at his length as she allowed all of the sensations to build in perfect unison.

Just nodding his agreement to her was difficult, but as she nuzzled into the side of his neck, he managed the gesture and squeezed playfully at her backside once more. "Don't mind it a b-bit," he stammered through his words at a powerful clench, but his hips took it as a sign to move from a casual bystander to a full, active participant. "You should listen to your brother, though."

Reina gasped as longer, thicker claws pressed into her fur; the sharp, thin claws of the fox were gone, along with the image of his face...but his personality hadn't changed a bit.

She was quietly glad for that, but vocally pleased with his actions as his whole shaft bumped into her body; with each thrust, she could feel it changing and growing thicker, more akin to the shaft of her own brother. "Why should I l-listen to him?" she asked, panting with blissful effort as she worked herself into a frenzy in his lap. "He doesn't know a-a...ah!"

"Anything?" Aaron teased, as if he knew the words before they left her lips. "Maybe not as much as you think, but he..._d-damn, girl..._he's right about your climax."

Having all the attention on her brought out a hint of that bashful nature, but Reina was determined not to lose steam, now that she was moving so quickly. Her hips were driving the slightly smaller husky into the cot as his transformation came to a satisfying end, but what was once a satisfying cock was now filling her out to the point of stretching her folds...and her brother was only making matters worse as he dipped his thumb fully into her ass.

Huffing and groaning as she moved, Reina came to a stillness as she realized the next move would be her last, but she couldn't stop Aaron from pumping up into her passage with his newly endowed length, and she simply wouldn't stop her brother from adding such delicious pressure inside of her tailhole.

As much of a mess as the ointment made on Aaron before, her body was set to make a much, much greater one than that.

"Looks like there's j-just one t-thing left to do, then," she finally admitted defeat as her body locked up on the newly made husky, seizing at his flesh so tightly that his wider, thicker knot couldn't even find a way to bury itself inside of her. "And it's g-gonna take some of your ointment, Aaron!"

She was right back to being cheesy, even in the throes of her orgasm; Aaron found it endearing, and he did his best to smile down at her as she rubbed up into his cheek and held on tight, dragging her claws through his fur and looking for purchase from the onslaught of sensations that took her.

Tender nipples were glad for the softer texture of his fur as they bounced against his chest, and parted folds stretched wide, but didn't quite give way to a knot as hot, trickling juices spilled from her sex. She couldn't recall the last time she'd been able to squirt so easily, but both men were trapped with her as inner muscles took control of their own destiny and milked both appendages.

Only one of them could actually offer what she needed, and the blending of that seed with the ointment they used would cement Aaron's place as the newest member of the slowly growing pack.

"Seems that you used a little too much," Aaron toyed with her until the very end, as he watched a small streak of feminine ejaculate spray over the new, thicker fur at his crotch. "But if you're in the mood for a mess, I..._fuck..._I g-guess I could help you out!"

His grip was filled with new strength and vigor: Reina felt every ounce of that power as he clenched her body tight and held her against his form. One paw stayed on her backside and clutched it for purchase while the other coiled over her lower back, keeping her from moving as he pounded up into her exhausted form.

The different texture and viscosity of his cum made it stand out from the rest of the fluids that had filled her body, and thanks to her stubborn passage, the seed leaked right back out of her and poured over the knot that she'd denied. Part of her truly wanted to sample the weight and feel of it, but she was trembling with giddy delight at the warm, slick river that eased out over her folds.

Her tongue fell from the side of her muzzle as she rested against Aaron's new body...the transformation was complete, but the act, it seemed, wasn't quite over yet.

"Did you two really think I was gonna sit by and watch without getting to play a little bit, myself?"

Rainier's thumb came out easily, but the gape it left behind was visible as Reina contracted her stretched entrance with the waves of pleasure that ran through her body.

She'd been a bit selfish in hogging the newcomer, but with a tired, uneven smile, she looked back at him and lifted her tail even higher.

"Aaron, I don't suppose you'd mind if he took a spin, as well?"

Seeing how readily Rainier got involved with their romp in the first place, it didn't surprise Aaron much that the pair of canine twins were more romantically involved than they admitted. Whether it was a matter of necessity because of their solitude, or a matter of convenience for the same, they didn't seem to have any qualms about crossing lines that the people in the town below would have frowned upon.

"I was wondering when he'd finally step up and take his shot," Aaron murmured. "I guess I could use a little break."

Reina arched her back for her brother and swayed her hips just a little, showing that she still had energy left to spare. Aaron only had a brief moment to escape the cot before Rainier mounted her and pressed his weight into her back, but she took his form admirably and stood up to his thick, powerful weight, even after riding herself to a climax on the transformed fox.

"Consider it a free lesson in how best to use your new body," Rainer bragged himself up as Aaron stood to the side, his length still dripping with Reina's plentiful juices. "It's nice to be ridden once in a while, but with so much power in your thighs...it's a lot more fun to put someone in their place and remind them who's really in charge."

"That would be me," Reina immediately countered. "Although, you're willing to try and take the crown again, if you think you're up to it?"

She was just trying to fire her brother up, and it worked to perfection as his arms clenched down around her body. Paws blindly fumbled for her breasts as he moved into place, but when his eyes clenched shut, Aaron made a surprise move of his own.

Sharing a knowing glance with Reina, he knelt down behind Rainier and showed his own impressive stamina: his cock was still throbbing as he lined the messy, drooling tip up with Rainer's pucker, right under the natural curl of his tail.

"I say we don't give him a choice," Aaron suggested. "Want me to lock him in for you?"

Rainier perked his ears.

"Yes, please ," Reina mused. "Can't have him pulling out early, can we?"

Feeling the flood of a stranger's cum around his length as he eased into his own sister, Rainier felt a strange and unfamiliar pressure against his own tailhole as Aaron lined up right behind him and mimicked the action. The last round left his flesh with plenty of lubrication to make for a smooth and easy touch, and though he didn't quite manage the whole length before he felt natural resistance...he felt more than enough to let out a gasp of delight.

Even through Rainier, Aaron could feel Reina clenching the largest, and luckiest husky, as he was trapped in the middle.

"Hmmph. Like I would have anyway," Rainier groaned...but he was all smiles as he held his sister tight, pounding into her with just the right rhythm for his new 'brother' to catch up.