Use Only As Directed

Story by ShadowWing on SoFurry

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Imported from SF2 with no description.


All feedback is greatly appreciated.


Laura had always had a bit of breast envy. Being a bird-morph had numerous wonderful benefits. The lush feathers and downy undercoat, the gracefully lithe natural figure, and, of course, the uncommon capability of flight. Yet, her genetic disposition towards proportionally tiny breasts was a source of endless frustration. Whatever fuckery that led to anthropomorphic animals had determined that birds did in fact need breasts, but didn't really need them. So, every time the poor bluejay saw a cowgirl at the store, buying groceries, she couldn't help but feel a simmering rage that inevitably gave way to a sort of depression. Of course, they weren't everything. She knew this. Clearly. Rationally, she was entirely aware of how ridiculous this all was. Her self-worth wasn't intrinsically tied to her cup size. She knew that there were plenty of men who would love her chaste bust just fine. But that wasn't the issue. Some deep, primal part of her simply desired the lush cleavage that others were so easily blessed with and this part of her simply was not rational and could not be reasoned with. She couldn't help but feel the way she felt, even if she knew how silly or unhealthy it might be.

Now, she knew she wasn't interested in implants. After all, what was the point of having breasts that weren't really hers? As a result, Laura drifted around various relevant forums and blogs, constantly looking for a solution that might be available on her modest budget. Sure, there were plenty of supposed tricks and strategies and medicines and supplements, but she was skeptical, as she should be. There were plenty of tall tales, placebos and scams, and she didn't have the expendable income to run around chasing wild geese.

This is why, when she heard of a guaranteed miracle "cure". she felt the need to investigate. She wasn't sure why she was drawn to this particular product listing. Maybe it was because it had an actual guarantee. Maybe it was because of the unusually authentic and enthusiastic reviews. Maybe it was the nature of the product itself. For some reason or another, she was suddenly and deeply interested.

The product itself was scarce on details. Some sort of not-medicine medicine. This would usually be a huge red flag, typically some sort of "traditional medicine", a finely ground root or animal part, with anecdotal experience going back centuries and, likely, some amount of cruelty. But this was something new, different, something unique, inaccessible. Not illegal, mind you, just unconventional, unavailable through conventional means. A series of forum posts leading to deep web links leading to more forum posts. There was something to this product, something electrifying. A different type of product, not the random, mundane garbage preying on the insecure and undiscerning. So, Laura bit. It wasn't prohibitively expensive, it was unique, and it had the reviews to back it up. Not the normal garbage; real evidence, real results, actual testimonies. Obviously, there was no easy way of acquiring said solution, all avenues being funneled into what was a seeming gray-market solution. Despite this, Laura decided to put in her order.

...

When the package arrived, Laura wasn't really sure what to expect. She knew that she had ordered a "solution" to her chest problem, but the order hadn't told her, precisely, what she was going to receive. Just that she would receive a solution and instructions on how to ensure effective, and safe, results. She was aware that the "solution" was unconventional, perhaps even controversial, but there was no way for her to truly prepare herself for what she was to receive.

Inside the box was two glass mason jars and a single piece of cardstock with very simple instructions and warnings. While she was expecting something a little esoteric, she definitely hadn't expected something as truly bizarre as what she received. In each jar was a number of small, white bugs. Tiny little bugs, reminiscent of little fuzzy caterpillars. She had been expecting some sort of experimental drug, in pill or injectable form, and was fully prepared to consume or insert whatever solution was conceived by the creators of this supposed miracle drug, but seeing a couple jars of invertebrates was a total shock to her. Despite her initial apprehensions, however, she felt determined to see this through. She had spent good money on this, of course, and she was committed to finding a solution to her conceived problem. The instructions read as follows:

1. Open both containers and place the opening of each container tightly against each breast, ensuring aperture includes nipples.

2. Wait for the creatures present to perform migration. Do not remove containers until all creatures have exited the containers provided.

3. After 4-6 weeks, following desired mammary tissue increase, present to a medical center or emergency facility for removal of aforementioned creatures. If needed, call below number and a location will be provided for extraction.

4. Do not leave creatures unattended for more than 8 weeks, as this may cause unintended problems and potential long-term consequences.

_5. Please call XXX-XXX-XXXX in case of any additional questions or emergency concerns. _

6. Note that this is an experimental solution that is not approved for public use. Any and all adverse side effects are the responsibility of the user and not covered by provider's liability.

7. Known effects include mammary growth, induced lactation and increased sensitivity. If additional side effects are noticed, please reach out and provide such information.

...

Laura took a night to think it over. Clearly, whatever solution had been concocted involved these small critters aimlessly wandering about their little glass enclosures. She likely only had a limited amount of time to consider, since there were no provided supplements or dietary accommodations provided to sustain the creatures long-term. The solution provided seemed more extreme than she anticipated. Based off the instructions, it seemed likely that the creatures would be entering her breast tissues and would reside there until medical intervention. This was clearly beyond anything she had anticipated, an entirely unusual solution to an entirely cosmetic concern, but she simply could not put it from her mind.

After a full 24-hour waiting period, she had built the resolve to move forward with the procedure. Laura followed the instructions, opening the jars and placing them firmly against her slight bust. The openings of each jar covered the entire mass of each breast, the nipples placed firmly in the center of each jar. She watched as the creatures, sensing a new presence, moved slowly towards the warmth of her chest. As the creatures reached her body, she felt the tickling sensations of them crawling across her skin, before experiencing a series of slight pinches as they seemingly disappeared, clearly burrowing into the soft flesh that she had presented to them. As terrifying as this experience was, she was determined to see it through; if she had come this far, she certainly wouldn't stop now. So, she held firm until every last one of the small "bugs" had disappeared. Removing the jars from her chest, she felt a strange floating sensation, clearly a side-effect of her mental state, a heightened awareness brought on by the adrenaline rushing through her. She couldn't quite tell if the itchiness in her chest was real or an imagined construct built from a mind reeling from the slightly horrifying experience of letting what could only be perceived as a sort of parasite, or perhaps symbiote, into her body, willingly.

The next few days were a blur, tinged by a steadily increasing panic. She frequently checked the mirror, first in the morning as soon as she awoke, then again before getting dressed for work, then on her lunch break, then as soon as work ended, then multiple times before bed. And despite, or perhaps because of, the frequent checks, she could not notice any discernable difference in her breast size. After the first few days, she had consigned the experiment to the failure bin and had adjusted her expectations accordingly. She stopped checking herself so frequently and noticed no discernable changes in her figure, accepting that she had fallen for some new scam.

On day 9, however, Laura noticed a small change. When she awoke in the morning, a Saturday, she noticed a slight, unusual wetness on her sheets. Groggily sliding the sheets away, she felt against her breast and noticed that the moisture had clearly originated from her own chest. She opened her bleary eyes and ran her fingers over the small nubs, lifting them away to see a small amount of white fluid on her hands. A sudden surge of electrifying adrenaline spiked through her as she jumped up and ran to the mirror. For anyone else, it would have been hard to notice, but for someone that found themselves so frequently in front of a mirror for exacting examinations, it was clear that something was slightly different. Her chest, previously flat against her chest, now had some amount of volume. Sure, they were still absolutely in the A-cup range, not even needing a bra, but there was now mass where previously there had not been.

Over the next few days, Laura was once again checking herself in mirrors multiple times a day. The difference being that this time, there was truly a change each time she checked. After the first day, she had accumulated a modest bust, transforming her from a true tomboy to a girlish figure. Over the next few days, she witnessed the transformation in real time to a chest any woman could be happy with, firm B-cups perched prominently on her chest. Sure, she sudden growth had left her sore and aching. Sure, the constant leaking of fluid from her nipples was inconvenient. Sure, the nature of her growth was questionable, at best. But none of that mattered. She had transformed from a young girl to a mature woman over the course of a week. It was a miracle that she could only ever have dreamed of, consequences be damned.

The first week had been disappointing, the second week had been exciting, but the third week was something truly special. Each day was accompanied by a marginal, but noticeable, increase mass. By the end of day 21, Laura found herself with a sizeable chest, easily C-cups at the very least, perhaps bordering on D's. People at work had clearly noticed, though none had been nearly so confident as to address the change. It had been gradual enough that she probably hadn't had an implant surgery, but it was sudden enough to be obviously noticeable, and the brief glances she received by her male counterparts felt truly gratifying, an experience she had never previously had. She had considered going out and buying a set of bras for the first time, excited by the idea, but realized that if this growth kept up, they wouldn't last long. She'd simply have to wait for the growth to settle and buy the requisite clothing afterwards.

Laura found herself occasionally pondering the nature of the solution she had found, noting that all these changes were precipitated upon a number of creatures burrowing themselves into her breasts and enacting whatever changes they saw fit. She occasionally felt little fluttering movements or itches on the inside of the swelling buds but was unable to determine if these were real sensations, or just her mind imagining things, considering these were the focus of nearly all her attention as of late.

By the end of the 4th week, she was clearly on D-cups, easily on the upper edge of the average. She couldn't be prouder, despite the constant throbbing ache in her chest. She had now found herself frequenting a number of local bars each night, relishing the newfound attention that she attracted, her bountiful cleavage grabbing the gaze of males that would have previously ignored her, their brief glances incredibly obvious under Laura's searching eyes. Her newfound "powers" were intoxicating, the ability to demand attention and affection in a way she never could have before, lending itself to a confidence that had always been lurking under the surface but hidden by years of built-up insecurity and anxiety. While the pain was quite real, the itching was probably all just in her head, and the newfound sensitivity of her leaking buds was only too obvious to her, as she found herself frequently brushing against them. A soft tug was all it took for a spurt of milky white fluid as her rapidly expanding bust produced an ever-increasing amount of nutritious liquids to feed the newfound guests she barely remembered existed.

Six weeks in and she'd gone from tomgirl-next-door to bombshell MILF. Her growth had slowed somewhat, volume becoming increasingly difficult to come by, and her breasts had settled on a gorgeous pair of F-cups, far beyond any of her expectations, hopes or even dreams. She found herself struggling to keep up with her lactic bounty, any extended period of neglect resulting in thoroughly soaked shirts. While some small voice in her head desperately tried to remind her of the original packages' instructions, her conscious mind chose to ignore it to the best of her ability. A full month and half of wish fulfillment had poisoned her mind against the concept of moderation.

After eight weeks, growth had slowed to a steady crawl, her massive jugs resting at a solid G-cup. They held unnaturally firm against her torso, still soft and pliable, but without a hint of sag. Her downy feathers worked overtime in a vain attempt to cover the newly expanded flesh, leaving them largely covered in soft fluff, though the nipples remained exposed, now permanently leaking a dribble of milk regardless of how hard she worked to empty them. The warnings from 2 months ago were no longer present in her mind as her mind could barely comprehend the joy that accompanied her miraculous growth. The pain had become a constant that she grew to ignore, a constant, dull pressure deep within the rapidly expanded flesh, alongside the back-pain from a body unprepared to carry the new weight. The slight movements of the creatures inside her had become impossible to ignore, as they had clearly grown larger on the bounties of her flesh and became more active. That certainly wouldn't stop her from keeping them, of course. After all the good they'd done for her, she could hardly abandon them now, could she? Removal of the little critters was so far from her mind it may as well have been a physical impossibility, entirely unimaginable in her current state.

At ten weeks, Laura was forced to request medical leave from work. She was clearly no longer in any state to be at the office and would need some time to adjust to her new shape. Half her weight now resided in her now-immense bust. Growth had resumed after the brief slow-down, and she was now sitting at K's, well beyond what most women could enjoy, an unnatural size for her otherwise thin, lanky body. She had begun to struggle with hauling the impressive mass around but remained thoroughly optimistic about the situation. The creatures within her had now become increasingly active, no longer attributable to her imagination. The movement was a constant distraction, the wiggling causing sudden spurts of milk, alongside the frequent itching and tickling coming from deep within the mammary tissues. Despite the concerning nature of this development, something about it felt strangely erotic to Laura, the little critters responsible for the joy and admiration she now felt staring in a mirror. The words of the instruction pamphlet echoed in her mind, but she firmly turned them away, unable to stop herself from indulging in her deepest fantasies realized.

A full month later and Laura had been fired from the job she'd been absent from. Since she refused to see a doctor out of fear that they'd stop her glorious expansion, she could not provide documentation to her employer justifying the extended medical leave. That was okay with her, though. She'd checked her employment contract and knew they'd have to provide severance pay for up to 6 months. That, combined with the rainy-day savings she'd worked to stash away would keep her afloat for quite a while, even with her newfound appetite. Accumulating all this mass in such a short time had led Laura to regular overeating, providing the much-needed protein and fats to sustain the continued growth. It hadn't been as obvious at the start, but by now she was easily eating twice, if not thrice as much as she had 3 months ago. It was paying off, though. Her entire torso was now obscured by the incredible bust, far exceeding all reason. She could no longer wrap her arms all the way around her chest, her fingers just barely unable to reach each other around the absurd mounds jutting from her front. Relieving the pressure liquid pressure was now a completely hopeless task, a deep, aching fullness settling in for the long haul. Not all the weight had gone straight to her bust, though, as her hips and thighs had rounded out just a bit with her newfound diet. She was still plenty thin, just with a bit more padding in the right spots.

Despite facing what should realistically be a terrifying transformation, accompanied by the worry of being unable to sustain herself long-term, Laura found herself shockingly serene, a self-assuredness that had never been present before. One small issue did weigh on her mind, though, in perhaps the most literal sense. She was now finding it quite difficult to move about. Her entire musculature had to work in tandem to support the pendulous weight of her breasts, the slightest shift in center of mass potentially leading to a potentially hazardous fall. Some part of her idly wondered if she had perhaps taken this entire thing too far, that maybe she should, in fact, call a doctor. Each time these thoughts ran through her head, however, she would run her hands across the smooth expanse of her chest, feeling the creatures inside press gently against her palms, reassuring her that she would be just fine.

Another few weeks had gone and went, and Laura was now nearly immobilized by the immense twin masses that she had become an accessory to. She had spent a full day pulling her mattress from the bedroom to the living room in order to be closer to the front door, her unbelievable weight prohibiting her from moving to the front door in a time reasonable enough to satisfy her now-ravenous appetite, delivery being the only option remaining to her. Each time a knock came at the door, she had to haul her breasts across the floor, dragging them alongside herself. Each day, every movement came with more and more resistance, until eventually she was simply stuck. Try as she might, her exhausted and atrophied muscles could not even drag the weight of her now visibly squirming breasts across the tile, a puddle of milk slowly spreading beneath her. A number of failed attempts to pull herself along left her exhausted, which combined with the boredom and left her drifting off into a fitful slumber.

...

Laura wasn't sure what time it was. It was dark and her phone was dead, since she could no longer reach the charger. Groggily rubbing her eyes, she gradually became aware of what had awoken her. Her massive bust was now a constantly shifting mass, the creatures inside clearly excited about something. Placing her hands against the side of one, she could feel them squirming and wiggling around, the surface pulsing with life. The movements within her stimulated the sensitive flesh and she soon found herself deeply aroused and growing increasingly wet, despite her uncertainty about the situation. She managed to wiggle her body enough to work a hand towards her pussy, playing with herself as she admired the unusual sensations. After a few short minutes, she noticed that much of the movement had migrated from the deepest parts of her boobs towards the far reaches of her nipples. And it didn't take long for her to figure out why. The little critters she'd allowed to next in her body must have only been babies, little larvae looking for a meal. It seemed they had now grown and were ready to leave the nest. She felt a sudden pressure against her right nipple, the steady stream of milk suddenly blocked. The pressure slowly built against the dam of her flesh, growing into an aching pain followed by a sharp stretching pain as, out of her sight, the middle of the thick nipple was spread open.

Laura knew this was impossible, that simply wasn't how biology worked, but somewhere along the line, the modifications these creatures had inflicted upon her had changed not only the size, but also the shape of the flesh that housed them. From within the breast emerged one of the caterpillars that had first entered months ago, a massive, squishy insect at least 2, perhaps 3 inches wide. It squirmed its way free of the newly formed entrance, yet its body seemed to never end. Finally, with a soft slorp and a pressurized spray of white fluid, the creature's 2-foot-long body pulled free and plopped gently onto the ground. The painful stretching and mounting pressure suddenly released as Laura came violently and suddenly, dousing her hand with liquid pleasure. Despite her inaction, the experience had left her exhausted once again. But there was no time for rest, as she felt the pressure again, this time on both sides. The right, already loosened by the previous traveler was stretched open nearly immediately as another bug wormed its way out. The left side still needed to be worked open, as she experienced the stretching pressure once more as the nipple slowly stretched open under the critter's efforts.

The little bugs worked tirelessly to evacuate her now hollow tits, and the next hour saw perhaps 40 spilling forth from her now gaping nipples. The last few had grown impatient and had forced their way out, side-by side, 2 or 3 at a time. The entire time, Laura was barely aware of what was happening, lost in the blissful sensation, the pressure and release of birthing her little children as her pussy constantly gushed, cumming over and over again. When she finally regained awareness, she noticed that the room was a little bit brighter now, and she could see the aftermath of the night's events.

Her mattress was thoroughly soaked, a puddle of milk resting on top and spilling over the sides. The entire living room floor was wet, milk flowing freely over the tile, spreading into the kitchen and under the doors to her other rooms. She looked for the creatures she'd just released but couldn't seem to spot them until she noticed something odd. Even the walls were covered in little wet streaks and her eyes followed them up to the ceiling, where she saw her offspring. The creatures had climbed up the walls onto the ceiling and had begun wrapping themselves up in enormous white cocoons. The first few had already completed their task, dangling delicately from the ceiling, as their brethren worked nearby to form their soft shells around themselves. Satisfied that her children were safe and sound, Laura sunk into the soaked mattress and drifted back into a restful slumber.

...

It was now a few days since she'd been freed from the critters. When she woke up, she found she was once again mobile, if only just. She could stand, but her breasts now sagged heavily, slapping into her thighs with each step she took, the miraculous firmness they'd once been blessed with gone with the occupants that had kept them suspended. Her nipples still held gaping entrances, though they had tightened up a little. She could still quite easily work a fist into them, though, and feel around the inside of the soft, sensitive flesh. She found herself doing this quite frequently, as a matter of fact, as she enjoyed the sensations immensely. After a few days, her body slowly recovered, whatever chemicals the creatures had pumped into her body to accumulate so much rapid growth still doing work. Her sagging chest firmed back up, regaining some of their bounce. Moving was still difficult, but now that she was able to walk around, she worked to ensure she could regain the atrophied muscle mass. The cocoons gently fluttered on her ceiling as she reacclimated to a life free from the inconvenience of the creatures. And yet, she couldn't help but feel a pang of sadness looking at the creatures, knowing that soon they would emerge from their new little homes and be free, leaving her alone again. She missed their comforting presence, in spite of all the troubles they'd caused her, and she missed the feeling of growing, even if it had been terribly inconvenient being entirely unable to move.

And yet, a full week later, she knew she was satisfied with the results. Her breasts had continued to recover and now looked just as divine as before, perky, plump and pliable, not a hint of sag to be seen. The size had settled on an incredible, but manageable R-cup, which was just about perfect for her, though she'd need plenty of exercise if she wanted to continue being mobile, the weight constantly on her mind's peripherals. The lactation had slowed somewhat, no longer leaving her constantly leaking without the constant stimulation from inside. She could now get away with a milking in the morning and evening and be just fine. The day prior, she'd found a nearby job as a cashier at a little convenience store a short walk from her home. And so, after her second day at work, she came home eager to eat dinner and empty herself, she opened her front door and glanced up, desiring the simple comfort of seeing her little ones resting quietly. Instead, she was greeted by a fluttering of wings, the empty husks dangling loosely on the ceiling.

Her heart swelled, seeing the not-so-little ones flapping about her little home. They were massive, each nearly as long as they had been in their previous incarnation, with an incredible wingspan, each at least 4-5 feet wide. The living room was completely packed tight with them covering every inch of surface. Their bodies were covered with what appeared to be a soft, downy white fur, much like her own, really. Most of their body was similarly white, with their wings covered in gorgeous blue and black patterning. Some part of her wondered if their color had been influenced by her coloration, but surely that was a silly notion, right?

With a bittersweet smile, she left the front door ajar, moving to the windows to open them and free them to the wilds. Most of the creatures zipped away as soon as the opportunity presented itself, fluttering into the open sky outside. Yet, a few remained nearby, settling on various furniture. Confused, Laura approached them, gently urging them to go free, but stalwart, they remained. Picking one up, she examined the creature, holding its light mass gently, and bringing it up to her face. Its fluffy antennae flicked about as its little mouth twitched. It wriggled softly in her grasp, and she released it allowing it to flutter about briefly before alighting on one of her breasts, its old home. Its head nudged at her shirt, wriggling its way beneath the cloth, pushing its way into her bra. Surprised, she immediately understood the idea. She moved slowly as to not disturb the moth, and began pulling her shirt off, as it adjusted its position accordingly. Unstrapping her bra gave the moth unfettered access and it immediately placed its face against her nipple, slipping its proboscis out to feed. The other remaining moths, 4 in total, fluttered over and found their own spots, covering her torso in fluffy wings as they all began to feed, tongues slipping in and out of her nipples. The delightful sensation left her shivering as she made her way to the couch to rest and let them work.

Finally, it seemed the first was full as its mouth pulled away and it rested in place, the others soon following suit. And then, nearly in unison, all 5 creatures turned their bodies fully around, resting their abdomens again her chest, before she saw the tip of one spreading open, before shoving itself at the entrance it had just moments ago been feeding from. Each one did the same, as they pressed their thick girths into her stretched nipples, pulsing at regular intervals. A few minutes of this and they each pulled free, resting a few moments before fluttering off, departing out the windows.

Of course, she knew what had happened and could feel a swelling in her chest, literally and figuratively.

She was going to be a mother again.