Eager Audience (Macro Story)

Story by mzmm on SoFurry

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A commission for HungryGrowyStag. Milo visits a small inn with some very special hot springs...

Posted using PostyBirb


Milo's life as a ride service was always hectic. Back and forth between the same places, going all over town, dealing with the strangest kinds of traffic...even getting free meals out of it wasn't enough sometimes. But there were the bright spots. A client had been dropped off in a section of town that the Scolipede had never been to, and there was this lovely inn just a few blocks down the street. The air was much warmer around it, due to the natural hot spring that was the centerpiece of the inn. A good soak and stay sounded absolutely divine right now, and that's how Milo found himself nosing at the door of the building just a few minutes after dropping off his last rider for the day.

Milo could see who he assumed to be the owner of the inn, a white pegasus with jade green wings, behind a desk in the main room, but with all these hooves, there wasn't exactly much that the Scolipede could do except nose and push and hope that his imposing frame would be enough to get the innkeeper's attention. He would really hate to have to start stomping around out in the dark, increasingly-cold evening...so, it was good that the pony had perked up a few moments later. Her brow furrowed for a moment, trying to discern what exactly it was out there...but soon, her face lit up as she realized that it was a potential resident for the evening.

"Oh! Apologies, give me just one moment..." the innkeeper said at the top of her voice as she got up from her desk, making her way over to the double doors and opening them as wide as possible to let Milo's huge, centipedal body through! "Hey, big guy. Erm...are you lost?" the pony asked as she searched the bug's neck for some sort of tag or identification. Milo often blurred the line between pet and person, and the innkeeper was certainly erring towards the former right now. The big bug rolled his eyes before nosing in the direction of a poster on the wall that read "FULL HOT SPRINGS PACKAGE". It took the pony a few seconds, but eventually things managed to click in her head. "Oh! My apologies again. I can certainly set you up for a night. Just come over here to my desk..."

After a minute of typing away at her computer, and digging through Milo's saddlebags for debit cards and IDs, the big Scolipede was all set up for a night in the hot springs, with free meals included. During that process, the innkeeper had revealed her name, Len, to Milo, and had made it very clear that she would be available for anything that the bug needed. A nice offer to take up, and maybe those hot springs would feel even nicer after a big, filling meal...

A half-hour later or so, and Milo was presented with a platter of all the berries, poffins, and curries that he could eat...and he ate them *all*. No annoying customers at work for the bug to scarf down today, so he was absolutely starving...he gorged on every last drop, leaving all of the plates as clean as a whistle before waddling out of the dining room with a heavy, jiggly undercarriage packed full of food. More perfect conditions for a long soak in those hot springs, the bug could not think of~

Milo soon made his way out of the inn and around to the back, the heat and humidity in the air ratcheting up with every step he took. The hot springs themselves were rather inconspicuous, tucked underneath a rather large hill, but to the bug's appreciation, it seemed that he would be it's only inhabitant for the time being. The bug used one of his back hooves to peel his saddle off and casually toss it to the ground near the "shore" of the pool, Milo watching the gentle bubbling and steaming of the water in front of him as it lapped at his hooves. Slowly, those hooves started to pitter-patter out into the water, hesitantly at first, then more confidently as Milo's body got used to the drastic change in temperature. Already, the bug could feel his aching exoskeleton tingling warmly, a sensation that was sure to only get stronger as he immersed more of his body in the healing springs...

Milo waited and waddled his way out to the center of the springs, crouching down and allowing pretty much all but his head to soak in the bubbly pool. His eyes closed almost automatically, the secluded, peaceful nature around him lulling the bug into a moment of rest. Aaaaaahhhhh...he definitely needed this, and he was definitely going to be staying here for at least another hour! Himself in the springs, let the water gently wash over his back and shoulders and soak into his armor plating. That warm, fuzzy tingling was starting to spread throughout his extremities, a bit more of an odd sensation, but still welcome nonetheless. Mmh...

The big Scoli soon found himself slipping into a bit of a nap, which he accepted with open arms. The bug ended up drifting through a bunch of nice dreams, though they were all pretty fuzzy and vague. Still nice regardless. Milo was drifting in and out of consciousness at this point, occasionally twitching or adjusting his position, until his body finally pulled itself out of his stupor.

Milo slowly opened his beak as wide as it could go, the bug letting a long, satisfying yawn tumble out of his mouth before he started to stir again. As soon as he kicked one of his legs out, though, he was surprised to feel it kick against one of the stone walls of the spring...had he drifted towards the shore in his sleep or something? That was a bit strange, but not entirely unexpected; but that odd occurrence caused him to notice another thing: the water of the hot springs, though it was still bubbly and warm, barely covered his knees now! And, mrrf, it was *cold* out. Did the water start draining at night or something? That'd be pretty bogus, Milo was most certainly enjoying his time here...

All that movement turned on some sort of motion-sensing light, which illuminated the area around Milo and at least gave him some visual data to work with, though all that extra information just ended up leaving the bug even more confused. The hot spring around him had suddenly shrunk to what looked like maybe the size of a kiddie pool! Or...perhaps he had grown, he noticed, after he saw the saddle he had removed on the side of the water, more the size of a toy than an actual piece of equipment. Suffice it to say, the bug was very confused by what had transpired in the time he was asleep. Was this some sort of elaborate prank...or was there something to these hot springs?

Either way, the only thing that was outweighing Milo's confusion at this moment was his curiosity about this water. Specifically...what would happen if he drank it? Would it supercharge the growth? Keep him growing forever? Something else? Only one way to find out. The bug dipped his nose into the pool, taking a few sips of the warm, bubbly stuff...didn't really taste the best, especially considering he had been bathing in it for the past few hours, but it went down smooth and gave his insides a little bit of a nice, warm feeling that he enjoyed. For a brief moment, not much seemed to happen, besides that warmth continuing to spread throughout the bug's body...but then, his perspective started to shift once more. His body continued to rise up out of the hot springs, albeit at a much slower, more continuous rate than the sudden growth spurt he had most likely experienced when he was asleep. Quite interesting indeed.

Milo was in the middle of turning around in this pool to ascertain where he was when he heard the inn door burst open. "Oh, goodness, so sorry! I should have woken you up before...well..." Len started to apologize, though she quickly became silent as she saw just how...big Milo had become, realizing she couldn't keep up the angle of concern. There was a reason she was the innkeeper here, after all; she was absolutely infatuated with big, growing boys, and Milo...well, Milo definitely fit that bill. Len had been hoping for this outcome, and especially now that Milo had drank some of the spring water...there were no limits on how big he could get!

"Ohh...such a big boy you are, though~" the pegasus said as she walked over to Milo, standing on the side of the hot springs as the big bug, now easily double his normal size, leaned down to face the innkeeper eye-to-eye. Len reached out a hand to pet and rub against Milo's beak, her eyes lighting up as the bug chittered and chirped contentedly. As she petted and stroked the bug, though, her eyes drifted to something she saw swaying between Milo's legs...every part of him had grown, and his bits were no exception. The already pretty large pair of balls that he had were now two huge, nearly trampoline-sized orbs that swayed and sloshed around in the water, drawing Len in like a month to a flame. "Come on out, big guy. Got to let the springs cycle some of the water."

Len stuck out her hands and waved Milo forward like she was guiding a semi truck, the huge centipede dripping water all over the grass as he slowly lumbered out of the pool. Thick beads of water slipped right down his armor as he watched Len with a bit of curiosity and confusion, not exactly sure what she was planning on doing next. As soon as he had made his way back onto shore, the unicorn started to walk around to his side and crouched down near his rear end. What the heck was she doing back the-

Oh. Oh~

Milo quickly realized what the innkeeper was going for as he felt two cold hands starting to rub and stroke along his huge, still-growing orbs, even crawling a little bit underneath him to get as close as she possibly could! Most definitely an unexpected turn of events, but...Milo was more than happy to let her poke around to her heart's content. Let her show just how much she was into him, before he started going for anything to address it. He couldn't keep it in for too long, though. Having her stroking down there felt quite good, compounding on top of the wonderful sensations of growth that were still flooding his body. And Len could certainly feel how much the bug was enjoying this!

Whether Milo's shaft was actually throbbing under her touch, or it was just growing still, either way, she could feel some stirring as she moved her hands up from those thick orbs. "Mmh, you like that, huh?" she cooed as she stroked up and down Milo's truly massive shaft; it was the best she could really do, considering there was no hope of taking the thing - especially as it continued to grow. Hopefully, the stroking and rubbing that Len was doing would coax Milo into being a bit more dominant. He was much larger than the innkeeper, after all, and he would definitely be throwing his weight around soon...especially as it continued to grow!

It didn't take Milo much longer to get the hint, either. Len's wandering hands continued to work further down Milo's balls and around towards his backside, eventually ending up between the bug's fat cheeks. She played with and fingered the bug's thick, warm pucker for a little bit, Milo chittering and vibrating in pleasure until he finally decided to drop it down. His knees gave away as he let his hind end drop right down onto Len's face, the unicorn letting out a muffled groan of appreciation as her snout was immediately wedged right inside of the pucker she had been fondling for a little bit. The bug's growing weight pinned her right into the ground, and over time Len could feel herself sinking into the dirt from just how much pressure was being put on her by those Poke-pounds. As Milo steadily got more into it, he started to drag and grind his ass up and down Len's entire body, the movement becoming more and more simple as time went on and the bug only continued to grow. His pucker went from comfortably fitting around Len's muzzle to being nearly the size of her entire head - and the massive, throbbing length that was pinning the rest of her body down was still growing at much the same rate. Len never had someone just straight up drink some of the spring water before, so her mind was free to wander and think about just how big Milo would grow to at the end of the day. And there was plenty of time left for things to get pretty wild!

Len continued making love to Milo's pucker to the best of her ability, even as it continued to grow and the weight on top of the innkeeper only kept increasing. Milo was more than happy to just keep grinding and pressing his ass down on the pegasus's face, really; by now her entire upper half was comfortably wedged between the bug's plump ass cheeks. Milo was getting big. Really big. Big to the point where he couldn't possibly be contained by these little, secluded hot springs, both physically and in terms of his lust. There was a whole city for the bug to roam out there, and plenty of buildings and subway cars for him to play around with. And there was no hope for anybody to stop him. In fact, one of its citizens would be tagging along for the ride to egg him on...

Len groaned as she felt the titanic weight slowly being lifted off of her, which had groan from enveloping her head to her entire body in just the past few minutes. She didn't expect to be lifted right up into the air along with Milo's rump, though, wedged so firmly between the bug's cheeks that she was basically stuck...and, honestly, Len couldn't think of a better arrangement! Milo was now bordering on 25 feet tall, just barely big enough to peek over the roof of the hotel he was staying in. At least there was a wide enough corridor off to the side so that Milo could make his way onto the city streets without destroying Len's little inn, something the pegasus would have been most appreciative of if she could actually see anything wedged back here. She could definitely feel and hear the fact that Milo was on the move, though, appreciating the extra bit of warmth she had back here as the bug strutted out into the cold, cold city evening.

As Milo made his way towards downtown, Len continued to try her best at pleasing the giant bug, though to Milo himself, it was little more than a nice, slightly-tickly sensation near his pucker. Being farther away was starting to diminish the growth properties of the hot springs water, along with his body just processing it, but the bug was still gaining a little bit of mass with every step he took. The tree trunk of a shaft between his legs swung like a pendulum with every step, slamming into various buildings without Milo even intending on it...though, that didn't mean he wouldn't end up grinding and frotting a little bit against those buildings in the process. Growing just felt so damn good, but it was hard to find anything at this size that would be able to satisfy him...

"Good boy, keep going~" Len said as she gave the bug's musky pucker a big kiss, continuing to encourage the Scolipede even though there was no way for him to hear her at this point. At least he could still feel the pleasant tickling, the soft stimulation occasionally making his pucker twitch and clench - occasionally grabbing parts of Len's body before relaxing and letting them go, in a sort of unintentional teasing! Len still appreciated it all the same, though, even as things started to come to a stop around her. What was Milo doing now...?

It turned out that the now at least 30-or-35 ft tall bug had stopped because he saw a potential answer for his still-mounting lust. A subway tunnel dug into the side of a mountain, just big enough to fit his massive, throbbing length. Now THAT was something more his size, and even came with a bonus if there ended up being a bit of traffic coming in. The bug stepped in between houses and over apartment buildings as he spread his legs, his wrecking ball of a cock (and sometimes his literal wrecking balls!) causing quite a bit of property damage even though the bug wasn't aiming for it...just a side effect of his size and clumsiness, really! It was hard to maneuver around with a monster like what Milo had between his legs, especially in such tight corridors and alleys. But eventually, he did manage to make his way to the tunnel, lifting both of his front hooves up to brace against the mountainside as the track ran right between his legs.

It took a little bit more finagling, but eventually, Milo was able to get his shaft resting on top of the tracks, the supports already starting to creak and warp under the massive weight of his member. Thankfully, the track curved away just before Milo's balls, or there may not have been a track at all! The bug chirped contentedly as he started to pump his shaft into the tunnel, quickly boring a much more dick-shaped hole into the side of the mountain. And, even though there was no kind of lubrication whatsoever, it still felt so incredibly good to Milo...though that was probably mostly the sensation of growth. Regardless, it still contributed to the orgasm that was welling up inside of him. There was an ocean of cum sloshing around in those balls, and it needed to be released in the most fantastic fashion possible. Soon.

If Len wasn't able to hear all the racket beneath her, the constant rocking back and forth would be more than enough to key her in on what Milo was doing right now! The innkeeper couldn't help but blush madly as she felt - and started to hear - Milo pumping himself into the tunnel, the bug chirping every time he thrust forward, getting juuuust a bit deeper. But Len was also blushing because she was hearing something else. The rattling, rumbling sound of an approaching subway car, headed right down the tunnel that Milo's cock was currently occupying! The bug could hear it too, of course, and he started to slow his thrusts down the best he could to time himself just right. The rumbling only got louder, the track under Milo's shaft starting to shake as the subway approached...

Milo shoved his shaft as deep into the tunnel as he could while the subway car made contact, the entire thing being impaled by Milo's massive shaft all the way down to the end car. Passengers stuck on all sides of the bug's massive cock, wiggling and kicking as the Scolipede hilted inside the car and started to blow his load...if things weren't bad enough for those inside, the sudden flood of thick, musky bug cum from the back of the car would most certainly make it difficult for anyone to move, let alone try to escape Milo's lust! Cream leaking out of cracks in the metal that had formed from the impact, bubbling out of the tight seal that had formed in the tunnel mouth...

The Scoli spent himself thoroughly, every last drop being shot up into the subway car and tunnel. It lasted a good few minutes, with how much pent-up lust the bug had, only compounded by his growth...but, lord, was it perfect. The bug dislodged himself from the tunnel a few moments later, the opening dribbling cum like the used hole that it was. Len wondered what it'd be like to be one of the people in there, immersed in a pool of bubbling jizz...they were so lucky. Maybe at some point Milo would grow so big that he could do that to the whole city. She would definitely be there for it~