Growing Into You

Story by GrifterWolf on SoFurry

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#83 of Commissions

Commission for Passer-By on FA

A Riolu and his mate a Vulpix travel to a beautiful waterfall with the hopes of being able to start a family together, though their love making has some unexpected evolving results!


"Growing Into You"

"Rio, stop that!"

The Vulpix gave out a shy giggle as the two Pokemon bounded through the night. Illuminated by the moonlight, the Riolu could make out the gentle bouncing of the young female as she bounced from the face of one smooth rock to another. The glow off her bangs giving off a gentle bounce and changing her shape with every step. The vixen wasn't as young as she seemed; she had recently turned twenty springs, after all. Riolu wasn't far ahead of her himself as he bounced on his two feet and seamlessly made his way from ledge to ledge, only his ears got in the way as they occasionally swung back and forth in front of his eyes. He smirked then made another leap up and tagged the vixen on the tail playfully as she giggled and bounced ahead.

"You know I can't stop playing with that tail of yours, Vul." He said a s he grunted and caught himself on the next ledge.

"Now, now my love. You should try a little patience."

"Oh you know it's difficult, you are something else. I don't think I can take much more of this."

"Hmmm hmmm you'll take more of it, my beautiful Rio. We still have until the moon is full."

Rio sighed and took a look to the sky, viewing a moon just a little over half full

The pair had only heard about this place a few days ago; a place called "Destiny Falls" where lovers went to secure a family. As Vulpix and Riolu are from different families of Pokemon, it seemed to be the only promise that they would be able to procreate there. He loved her from the moment he laid eyes on her and they had been looking into finding a way to have a family for months until coming across the information. Destiny Falls was described as "An immense waterfall that seems to pour from the heavens themselves, draining into a pool of liquid so blue that on a cloudless day, you can't tell which way is up and which way is down." It all seemed almost too good to be true, but if they ever had a chance like this, he knew that they should take it.

The night was clear and the moonlight shined off of every surface, giving the pair easy access across the land. Rio could tell that Vul was getting tired, after a while, her feet began slowing down and her bounces became a little less pronounced.

"Perhaps we should get some rest?" Rio suggested.

"Why?" Vul asked, sounding quite out of breath. "Afraid I'm going to get there first?"

"Oh come on, it's an easy three days to the full moon when those falls are supposed to be at the pique of their power. It's not a race, you know."

"Oh you're just saying that because you're getting tired, old man." She teased.

"Old man?" Rio scoffed. "You just wait until I evolve into a Lucario, I'll show you who's old then!"

Vul giggled and swished her tails again as she bounded down the cliffside toward the forests down below. "Well then you'd have to deal with a pretty fierce Ninetails, wouldn't you?"

Rio rolled his eyes again and followed her down the hillside. The forest down below quickly crept up on them and soon the moon became obscured by the long spindly branches. A rising wind caused them to wiggle and almost curl in the light. It was another half hour before they reached a clearing. Rio, who had been grabbing a few pieces of wood as they walked past the low hanging branches placed them on the ground near where Vul had settled and knelt by the pile to light a fire. As he rubbed the sticks together, Vul had laid down nearby and stared at him across the kindling. "Need a little help?" She asked before suddenly sending forth a ball of flame that hit the sticks and ignited them.

"YEEEOW!" Rio jumped back in surprise and Vul smiled cutely. "Very funny."

"You know, if you're going to mate with a Vulpix, you might want to know her affinity for fire before then." She said.

Rio blushed. In the time the two had been together, they had not mated; they both felt that they would know when the time was right, but he wanted her. He wanted her badly. After a bit of an awkward silence, he spoke up again. "So... you said you've heard of this place?"

"Mmhmm." Vul nodded. "My parents said that was where my sisters and I were conceived. They even showed me pictures some human took of it. It has very little meaning to them like it does for Pokemon. They find it a great hidden retreat, but Pokemon have gone there to mate for centuries."

"Really? Why is it I hadn't heard of it?"

"Well, it's just one of those places. Unless you've been, or know someone who's been there, it's really impossible to know it exists."

"Huh." Rio said as he stared into the fire. "You know, I think I'm going to like this trip."

"Oh?"

Rio nodded. "I mean, it's an adventure, right?" He asked. "Going to a new place we've never been before?" He smiled and scooted closer to his mate and cuddled with her softy, his hand drifting along her sandy brown fur. "Maybe we could spend a little time together?"

Vul nuzzled Rio's hand and then nudged it away gently. "You know the rules, we aren't allowed to mate or... do things to ourselves even until the full moon rises over the falls."

"Who came up with that crazy rule?"

"I dunno." She shrugged. "My parents never really talked about it either."

"You know, I think you're just giving me an excuse so I can keep squirming every time I get close."

Vul giggled again, nestling her head against Rio's chest comfortably. "Yes." She admitted. "Yes, that's it exactly."

Dawn had come in the blink of an eye for the two of them. Rio awoke to a misty morning light and heard the sounds of birds and animals in the trees overhead. The fire had gone out some time ago, but the curling of smoke from where it had been gave him a sense of peace as he felt Vul, still sleeping soundly against his chest.

Rio looked around, it couldn't have been more than an hour after daybreak. The sun wasn't casting its bright orange light anymore, but it was still so low in the sky that he couldn't see which direction it was coming from. Yawning, Rio tried to move but was immediately stopped as Vul rested her forearm over his hip, making him freeze in place, a prominent erection immediately sprang up.

"I was dreaming." She said softly. "A great blue monster reaching toward me, wanting to take advantage of me, it wanted to attack and you fought it off." She looked cheerily at the Riolu. "Oh, look. Here it is now." She said.

"Sorry about that." Rio said, blushing. "It has a mind of its own, I swear."

"I believe you." Vul said sweetly and gave her mate a kiss on the lips, which only made his cock bounce more urgently. "But I think it's time for me to take a quick bath, then we can move on. I feel a chill in the air though, we might be in for some rain today."

"I feel it too." Rio said. "Maybe we should just stay in a few more hours, huh?" He smiled.

"Oh, you." She said. "We've got to keep moving, we need to get to the falls by tomorrow night. That's the apex of power, under the light of a full moon."

Rio smiled and kissed Vul, making her ear flick. "Alright, let's get cleaned up and we'll head toward the mountains and to our destination."

"Just one thing." Vul said with a smile.

"What's that?"

The Vulpix gave a sly wink, then bopped her paw on Rio's nose. "Boop!" She said. "You're it!"

"Why you--" Rio swiped at the quick vixen to tag her back, but she'd already gone out of reach.

It was a game they liked to play; a game of perpetual tag that they've been playing for some time, but it would intermittently stop then start again for no reason. He threw his hands down to the ground and propelled himself in the direction she was running. There was a little lake nearby, the pair had spotted it the night before as they were making their way into the woods. As Rio ran, he could see the glint of the water ahead as he skidded to a halt just before toppling over into the lake. Looking around, he could see no sign that Vul had jumped in already, but he could also not see her. Looking around, he brushed one of his floppy ears aside and raised an eyebrow. "Vul? Where are you at?"

A breeze washed across Rio's body as he turned his head from side to side, trying to find where his mate had gone. His heart began to beat just a little bit faster as he frowned and then looked at the lake to try and make out some sign that she had jumped in and dove under the water, but there was no sign that she had even jumped in. Panic began to overwhelm Rio and he quickly dropped to his hands and knees to shout into the water. "Vul! Speak to me!" He shouted as he submerged his hand into the water. "Vul!"

"I'm right here!"

Vul shouted from directly behind the Riolu, not even touching him as she shrieked at him. Rio screamed in panic as he lunged forward and fell into the deep cool water in front of him. Coming up to the sound of her uproarious laughter, he glared at her, unamused. He blinked as her laughter faded. "Oh, come on, don't be mad at me Rio. It was just a joke." Her expression transitioned to concern rather quickly. "Rio?" Rio then sent a small fountain of water from his mouth and all over her face and mane. "Heeey!" She exclaimed, rubbing her face to flick the water away. "Ptoo! Ptoo! You jerk!"

Rio's smile broadened and he quickly ducked down, filled his mouth with water again and spit at her again. This time, she was a bit more wary and leaped into the air, splashing down into the water just behind him. "Hey, that's what you get for scaring me half to death." He said.

Vul surfaced and flicked the water out of her hair as she laughed. "You're right, I'm sorry, sweetie." She said as she swam closer and nuzzled him fondly. "I didn't scare you too badly, did I?"

"Who, me?" He said nervously as she backed him against an outcropping of the bank. "No. Not at all." She leaned in and gave him a kiss on the lips.

"Good." She said. "I want my man to be brave." She giggled and swam back before kicking and diving under the water again.

It was a good half an hour before the two had sufficiently played and got back out of the water; by then, the sky had grown a bit darker. Silver lines and grey clouds had begun to move in, bringing with it a chill in the air. The woods still sheltered them, but soon enough the evidence of rain trickling in began to point out to them that the storm was upon them.

The wind grew heavier as they walked, the trail somewhat scattered as they followed a lesser-beaten path. Sounds of branches scratching at their bark, creaking as the leaves that clung to them fluttered and several layers flew off. Soon, the wind grew steadily harder and Rio and Vul slipped into a dark cave to shelter themselves from the onslaught.

"Whew!" Vul exclaimed as she trotted into the cave mouth, examining her paws as she entered, feeling the moisture on the ground. The smooth cave rock encompassed the entire passageway, the smell of limestone and earth was prominent in the cavern as the wind howled fiercely into the opening. "That really came on strong." She said.

Rio was still drying out his ears by wringing them with his hands as he made his way in. "I didn't expect that at all." He said. "This late in the summer, the weather shouldn't be like that."

"Maybe it's just with us getting closer to the falls."

"What do you mean? Like some sort of rite of passage?"

Vul nodded. "I think so. I mean it would make sense."

Rio looked out the cave mouth and found that the outside had become so dark, it was almost like looking into the dead of night. Rain splattered on his face as he looked out to the screaming, moaning winds that whipped the trees around overhead and he hoped that everything was in somewhere outside of this mess.

*KRAKABOOOOM!*

A lightning strike suddenly flashed, illuminating Rio's shadow in the cave's entrance as he leaped backwards in surprise. It was close; too close for comfort, and he was glad they had managed to find shelter.

"Slow.........poke?"

A voice from behind Vul startled her as she spun around to see a Slowpoke curled up near the back wall. His beady eyes slowly turned and made contact with hers as he blinked slowly at the Vulpix, then to the Riolu. He didn't look much different than most Slowpokes, except his skin was a lighter color pink; a sign of his aging, and a strange blue marking that went down his back in an unrecognizable pattern. "What... is... this?" He spoke in a slow manner. "Ri---o--lu... Vul---pix..." He lowered his head to the ground and yawned as the rest of his body stretched out. Another flash of lightning made him jump in surprise too.

"What are you doing here old man?" Vul.

"Became... lost..." The Slowpoke said. "Wandered... in... here..."

"Well I don't think you would have wanted to be caught out in that storm." Rio added. "It's gotten pretty nasty outside."

"Storm.... no storm.... No difference... for Slowbro..."

"Slowbro?" Vul repeated. "But you're a Slowpoke?"

The Slowpoke slowly turned his eyes to his tail and noticed the tip of it exposed; differentiating himself from being a Slowbro, which typically had a Shellder clamped onto his tail. He stared at it for the longest time, his face sullen. "Friend... gone?"

"Well, it looks like the three of us are going to be stuck here for a little while." Rio said.

"Oh no, Rio do you think we'll miss the full moon at Destiny Falls?"

Rio shrugged. "I hope not, but for right now we're stuck here."

The second night passed by with winds howling, rainwater sputtering into the shelter and the small fire that Vul had made nearly going out three times. The next morning found Vul opening her eyes first, chilly on the floor as the Slowpoke who was serving as her warm pillow had vanished. Poking her head up, her ears fully erect, she was surprised to see that he had slipped away without a sound. Birds were chirping outside and from the looks of it, the sun was shining. She yawned and stood up, stretching her forepaws before noticing that Rio was gone too.

"Rio?" She asked, her voice echoing in the small cave as she looked around for him.

"Hey, you're awake!" The male pointed out, entering the cave with a small netting of fish slung over his shoulder. "I'm glad, I was able to catch a few fish for breakfast."

"Did Slowpoke go to the lake with you?" She asked.

Rio frowned and shook his head. "No, he was gone before I woke up. I hope he's okay and didn't get swept away by that storm last night."

"Me too..."

After breakfast, the two made their way out of the cave and into the forest. Vul was surprised how little of the nearby trees remained in tact. Branches were twisted and shaped in all sorts of directions, the ground was littered with piles of sticks, twigs and branches. It was like a tornado had been summoned into the forest that day, and then simply vanished without a trace; only a path of destruction.

The road that lay ahead of them was obscured by the storm's rage, pathways erased and new ones dug out by the wind. It took much longer than the pair had expected to make their way out of the forest and onto the plains that led straight toward the mountains to the west and north. According to Vul, they needed to find a passage that resembled the shape of a Pikachu's tail upside down; that would be the road they needed to take to the falls, hidden deep within the western mountain range dubbed "The Valley of Fate" by most Pokemon. Thankfully this area itself would be completely devoid of humans, and the two Pokemon would make great timing. The road was flat and the country quiet as they made their way along the road, though every path westward only seemed to take them further and further away from their destination. It didn't really seem like it was long before the sunset was upon them again and Vul reached the next Crossroads sign and in a huff, she flopped down on the grass beside it.

"Another sign!" She exclaimed. "I think they're broken. We keep taking the westward road and it takes us further and further away from the mountain. Why is that?"

"Maybe it's some sort of magic." Rio suggested as he seated himself beside his mate and wrapped an arm around her. "I mean, you said that the falls tests its travelers, right? Maybe this is some sort of test."

"Like what?"

"I don't know. The further westward we travel it seems the mountains are getting further from us. I know there's no mountain to the east, so it can't be the wrong range... maybe tomorrow we can try going the other way?"

"You want to risk us losing all the progress we've been making in the hopes that going the opposite direction will actually lead us there?" Vul raised an eyebrow.

"Well, you know the old saying right? People often meet their destiny on the path they use to avoid it."

There was a long pause from the vixen, who eventually made a "huh" noise before nestling up against Rio. "I didn't know you were so smart, Rio." She nudged him cutely as she closed her eyes. Rio smiled softly and kissed his mate's ears before slowly drifting off to sleep himself.

The next morning found Rio and Vul travelling together down the eastern path, as before, it seemed like the mountains were getting further and further away, but this time there was a haze that hung over them as they walked, obscuring the blue skies overhead and turning it into a shroud of fog that persisted through their every step. After a couple of hours, they came to another road sign, and again they took the eastern route. The fog grew even thicker now, and they could no longer see the distant mountains, and they could barely see each other as they walked closer together and now began to move even faster.

"I hope we know what we're doing..." Vul said softly, her voice reverberating, like they were in a small room. "How long will this last Rio?"

"I'm not sure. But we'll keep going..."

After a third sign led them further east, the two came across a large stone wall before them. The fog had cleared slightly, just enough to tell that they were somehow standing at the foot of a mountain. As they approached, they could tell that the evening had fallen again, they spent the entire day traveling in fog. Rio rested his hands on the mountain wall and tested it by slapping his hands against it. "This---this is real." He said. "I mean, I wasn't sure it would work, but we're at the foot of a mountain here! Can you believe it?"

"Look!" Vul gasped as she trotted over to an opening in the chasm, shaped like a lightning bolt that was wide at the bottom and grew smaller and smaller until it reached the top. "A passage shaped like an upside down Pikachu tail!"

"Let's go!"

The two of them ran inside as quickly as they could, noticing as they ran, that the newly full moon was just now rising up over the mountain, its light shining down on them on their path and the two of them stopped as they approached what looked like a barrier of light barring them from continuing.

"What's that?" Rio asked.

"I heard about that, it's to keep outsiders from stumbling onto the falls." Vul said. "So long as loved ones enter together, it should let them go through unharmed."

"Well then." Rio said as he laid his hand on his mate's back. "Let's go forward then."

Vul blushed and smiled, giving Rio a nod and the two of them stepped through the barrier, which immediately vanished around them.

A tingling sensation shot through Rio's body as he gave off a moan. "What was that?" He asked himself. "Just... feeling so..." He noticed his cock had begun to swell almost immediately, his body reacting to the light that glowed around it. "Such arousal..." He panted softly as he tried to place a hand in front of it to keep Vul from noticing.

"Don't worry, love..." She said. "I feel it too..."

The pair had entered a beautiful cove in the very rock of the mountain. A waterfall poured freely down the center of the canyon, sending up rainbows of color that had no light to refract them. A gentle mist of water filled the entire place, covering the pair's body it a cool, refreshing spray. As they made their way up the spiraling passage around the waterfall, they could begin to see the top of it when suddenly, they realized that the mountain floor below them didn't appear to actually exist; it was simply a well of darkness that the water poured endlessly into the abyss, pulses of color could be seen from below, but no solid land mass or anything to tell where the falls were falling, but still, neither of them cared.

After a few minutes, Rio couldn't go on any further, he panted and flopped to the ground. His unrestrained cock bobbing in the air like a compass pointing straight up. "Wh-what is happening? Why am I so..." He panted, his heart pounding hard, his face was flush with arousal and he couldn't do anything about it.

"Please, Rio..." Vul said as she approached him. "Allow me."

Her tongue was like velvet as it began to lap at Rio's member. It lurched back out of her reach for a moment, then came back to bop her nose. Rio felt like saying "boop" per their game of tag, but instead, he just gasped. Vul purred a bit as her lips curled down over the tip and she started making her way downward. Turning her head slightly, she shuddered as she enjoyed the taste of her mate, driven by her uncontrollable nature she made her way down as far as she could and she started making her way back up. Rio was resting on one elbow as he reached out and caressed her cheek. He could feel his balls shifting with the anticipation of release, but he wanted to hold on as long as he could. A dizzying feeling was making his head swim, he moaned and gasped, and watched as the Vulpix tails in front of him also swished in anticipation. "V-Vul... that is driving me c-crazy..." He panted. "If you don't stop, I'm going to--"

He could smell the scent of sex on her, Vul casually was shifting from left to right on the ground as her own arousal was setting her off, her tongue slowly ascended to the tip of her mate's cock as she released it for just a moment. "Please cum for me, my love... please... nnnhh..." She did it again, wrapping her lips around the very tip of the Riolu's shaft as she moaned, reaching the edge of her anticipation as her warm tongue played with her mate's glans.

"G-gonna... g--g-gonna..."

Suddenly, Rio gave a furious grunt as heavy waves of cum began to shoot like ropes into Vul's mouth. She gasped, swallowed the first two volleys before the shaft slipped from her lips and landed a third onto her face.

Rio cried out, stuck in mid orgasm now as his entire body fell back against the ground and he suddenly vanished in a brilliant pool of light. Rio could feel every bone in his body popping loudly in his ears he wrapped his arms around his chest as his body stretched and twisted to its full length. Rio saw his muscles suddenly begin to expand, each one reacting with a light popping as his arms started to stretch out away from his body. At the same time his legs extended downward, he could feel every inch as his legs stretched. His calf muscles popped much the same as his shoulder muscles were. The nubs on the backs of his hands grew out as he spread his fingers, the nubs becoming spikes as a third spike suddenly jutted from his chest. He tried to scream, he should have felt some level of pain, but his body was stuck in his orgasm and it felt wonderful. His hand grasped his raging erection, which immediately produced heavy amounts of cum, he could feel the wetness slapping across his chest, but he wondered where Vul was, he hadn't felt her. His new hands slid up his stomach to his chest, which was still pulsing with his muscular growth and he was forced again to stretch out. His back popped as his torso got longer, his hips rising above the ground and slapping down onto it again made it feel more like he was having a seizure than an evolution. He felt his face pop down in size, his snout becoming more defined and by the time his transformation was completed, he was almost completely exhausted from his constant orgasming.

Suddenly, it was night again and the Lucario woke, finding himself lying on his side panting loudly. His new body was real, and quite well muscled. As he sat up, he gasped as he noticed another beautiful sight. "...V-Vul?"

A lovely, pure white Ninetails sat in front of him, looking at him with her soft blue eyes. The tips of her tails, which made a fan motion of a tail wag all had a brilliant red flare, remnicient of all Ninetails that he had ever seen. She smiled softly as she looked at him. "Not anymore, I'm a Ninetails now... and you are the sexiest Lucario I've ever seen..." Her smile was broad as she observed him.

The pounding in Lucario's chest was still present, that ever arousing feel of being filled with warm blood made his cock jump straight up again as Ninetails leaned into him again. Her body was soft as snow, her fur was clean and smelled of flowers and sex and as her entire body ran along the length of Lucario's shaft, he knew what she wanted. What they both wanted was to start a family together, and as his arousal reached its pique again, his body moved with her fur until he could feel a particularly moist warmth between her legs. His hips turned and he wrapped his new hands tightly against her hips as he approached her again. Leaning forward, the two shared a nuzzle and a kiss as he pushed himself against her. His cock was thick, and her vagina was wet enough to allow him part of the way in. Ninetails gasped in enjoyment and bowed herself a bit to present herself to her mate. Lucario's fingers parted the lips of her pussy and he leaned forward, pushing himself even further into her warmth. Both of them moaned, this was a very powerful night, a night where anything, even a family for a Lucario and Ninetails would be possible.

Lucario brushed Ninetails' many tails aside and leaned himself onto her back, bucking into her again.

"Oohhh Luc..." She moaned, her tails like a bush of feathers as they grew rigid with the penetration. "M-make me yours..."

Another deep plunge allowed Lucario to penetrate his mate deeper, her warmth was like fire to his shaft, coddling an already-anxious cock into an immediate arousal. He moaned, pushing himself to the hilt as he felt the familiar pull of his balls twitching and grinding against her backside. He stood on the balls of his feet, wrapping his arms around his mate now as the burn of her warmth began to spread through him. "Ahhhh... mmm... Nine..." He pushed in again, this time with a bit more force and he felt her hindquarters lift off the ground. Deeper he felt her, the more eager his cock became, the stronger his muscles seemed to flex and twinge as he bred with his mate. Soon his rhythm changed, he began to get faster, the sounds of his shaft penetrating his mate getting louder the wetter she got. *slap, slap, slap* even faster the two pressed together. The sound of her wetness dripping on the ground, what managed to escape her as Lucario began to shake and tremble with his upcoming orgasm. Her flesh tightened around his cock, begging him to release into her, to impregnate her and start a family. She moaned and her insides quaked as she orgasmed first. She huffed and tightened up as he rode her orgasm, still pushing himself in to the hilt over and over.

"Nnnhhh!" Finally, Lucario came. He felt the splash of warmth as it entered his mate and clung to his shaft in the confined space. He panted and it came again, another volley for his mate as his body and every muscle tightened and he lurched forward to seal his seed for her.

"What will they look like I wonder?" Ninetails said after the two had laid together for some time. "Our children."

"As beautiful as their mother." Lucario said, kissing his mate's neck. "I'm sure."

"Are you happy?" She asked him. "Was this trip worth it?"

Lucario smiled as his hand traveled south toward his mate's stomach, feeling it knowingly. "Oh yes... yes it was."

As the two lay there, they looked across the small chasm to a cave on the other side, and to their surprise, they spotted the Slowpoke from the other night, nestled in there asleep with a Shellder clamped to his tail...

THE END