Work Text:
Humming softly to herself - which could barely be heard over the loud, thumping music that basically rattled the very windows - Yang continued to browse through the Halloween store, which was currently holding a Halloween Party, with a few dozen guests, all dressed up in some Halloween type-wear.
She herself, was merely lightly cosplaying as a Mummy, with small bandages wrapped around her arms, and on her legs, with a few pieces of the cloth wrapped around her stomach, giving a small glimpse of the skin underneath.
She wasn’t really into the entire Halloween dress up thing, but if it made her girlfriend, Blake, happy, then she supposed she wouldn’t be opposed to trying it out when the time came around.
Suddenly, something caught her eye, upon the second most top shelf.
“Hmm?”
Glancing at it, she noticed that it was a rather large, ornate box, that seemed to have a beautiful jewel encrusted onto the silvery-golden metal bits, along what seemed to be a massive little keyhole fit for perhaps the largest key ever known, but apart from that, it looked like a regular box, just painted over in a deep black paint that seemed to absorb all the light around it.
“Interesting,” Yang murmured to herself, before her eyes fell upon the price tag, “A ‘Mimic Decoration’, not only to have a theme for Halloween or anything spooky, but also a great little thing to store plenty of secrets,” She hummed once more, trying to think of where that would actually work within their dorm room, but she shrugged her shoulders, “Eh, fuck it. It’s only 150 Lien.”
Standing upon her tippy toes, Yang’s tongue gently poked free from her mouth as she carefully pulled the large box down from the second most top shelf, grunting slightly as it suddenly became just a tad bit heavier within her arms, “Man, this is bigger than it looks,” she told herself, before blinking a few times when a piece of paper suddenly materialized on top of the item, which she swore wasn’t there before, and it read, ‘Use at your own risk, and don’t mind the eggs ;3’ .
“The hell does that mean?”
Shrugging her shoulders, Yang walked over towards the countertop, before ringing the small little bell to - hopefully - alert the clerk, and perhaps pay an extra fee to have it delivered straight to their dormitory in Beacon Academy.
She didn’t know the point of leaving this party, leaving Weiss - who surprised her greatly by coming, and even dressing up - and Blake all alone here.
However, what she didn’t know was that she was going to seal Garnet’s and Ruby’s fate. Because this wasn’t a normal ‘Mimic Decoration’, this was a Grimm in disguise.
A few hours later, both Garnet and Ruby stumbled into the dormitory room, where they couldn’t help but sigh in relief and threw their books aside onto the already filled desk off to the side of the room.
Having detention sucked, especially because they got to miss out on a Halloween Party, which they so wanted to go to, plus, it was also their birthday after all, talk about a ‘shitty’ present.
“Man, what a drag…” Garnet muttered to himself.
“Mhm… I can’t believe we missed out on that Halloween Party!” Ruby announced, completely heartbroken by that.
All that Garnet did was gently pat his twin sister on the back, trying to comfort her, which he knew always did the trick with her.
However, then his keen silver eyes picked up on something new in the room, “Oh, what’s this?” He said, causing Ruby to snap out of her little funk, and her eyes quickly scanned the room, where they too, soon fell upon a rather large, ornate box within their dormitory, nestled just a few inches away from the wall, “Huh?” She murmured, before zipping over towards the box, leaving a small trail of fading rose petals behind, “It’s so pretty~”
As Garnet got closer, his hands slowly trailed along the cool metal decorations upon the box. However, as soon as his hand brushed against the keyhole, something unexpected happened.
The box opened up with a sharp *bang* , revealing a disgusting, convulsing, fleshy inside that seemed to have no end to it, along with a few jagged edges that reminded him of teeth, with four large tentacles gently swaying in the air, “What the!?” He yelped out, before trying to jump back from those tentacles.
However, he didn’t even get that chance to do so, as two large tentacles wrapped around Ruby’s waist, before quickly pulling her within its confines, “Ruby!” He yelled out, before he yelped once more as those two large tentacles wrapped around his middle, causing him to shiver in revulsion. Then, a feeling of weightlessness coursed through him, and his vision blurred as he too, was pulled into the chest.
As soon as the last trace of Garnet vanished, the chest snapped closed once more, before it seemed to glow ever so softly as the slightest little tremors rocked the box, giving it the only sign of something struggling within.
Inside the Mimic box, it was extremely hot and muggy, and unbelievably damp. Sweat was already pouring along his skin, and he suddenly felt a slimy liquid fall across his entire body. He was barely able to look down, and noticed that all of his clothing had dissolved, leaving him completely naked.
And, if he had to guess, that means his sister was also as naked as the day she was born.
Just that little thought caused a small flush of pink to taint his cheeks.
However, he yelped once more - and he barely heard Ruby’s yelp too - as his body was flung forward, before he grunted heavily as his body collided with Ruby’s.
However, because of the fact that they were both the same height, it caused something else to happen.
His eyes widened beyond belief as his lips were soon smothered by Ruby’s own lips, and he could taste the faintest trace of strawberry chapstick on her lips, and he could also see her silver eyes were incredibly wide, and a massive blush formed upon her cheeks. Then, that was when Garnet felt his cock twitch ever so slightly, as he felt a new pressure on his chest.
Ruby’s small, yet beautiful breasts were squished right up against his chest, and he could even feel her nipples hardening against his own skin.
Then, he shivered and goosebumps formed upon his skin as he felt a tentacle slowly trail its way down to his rather lean frame, before running across his ass cheeks, almost like it was ‘testing out the goods’ so to speak.
Then, he felt the tentacle slowly part his cheeks, before the wet tip slowly trailed along his asshole, causing his eyes to widen, and his body to struggle within the tentacle's grasp, but to no avail. He couldn’t even scream properly as Ruby’s lips were pressed against his, all but reducing his voice to a mere muffle.
“MMM!”
Screaming out, his eyes rolled back into his head as the tentacle easily pushed past his asshole, and started to slowly slither up into his rectum, where he could only groan as he felt his ass stretching beyond anything it had ever done before, before a weird ‘filling’ sensation started to overcome him as it continued to push itself further and further into his body, before he could feel the subtle movements of his organs as they were pushed up slightly.
Then, something large, and heavy slowly made its way through the tentacle, pushing his organs aside even more as pleasured pain filled his entire being, before a sudden drop happened as whatever was pushed into him was released into his body.
And that process repeated again, and again, until he simply lost track of everything as pleasure simply numbed his mind.
On the other hand, the tentacle around Ruby had done the same thing, a tentacle easily pushing past her virgin asshole, before shifting further and further up her body, where a large imprint could be seen.
However, it didn’t stop moving, and continued to push itself all the way through her body, before her eyes rolled into the back of her head and her cheeks bulged outwards. And, because they were still connected via this unbreakable kiss, Garnet’s cheeks puffed outwards as the slimy invader pushed itself into his mouth, giving him an unforgettable taste of Ruby’s insides, before he gave a gurgled groan as he felt the heavy objects drop into his stomach heavily, unsettling his entire body and causing him to shiver and convulse.
He could barely count the amount of things pushed into his body on both fronts, well and truly losing count past the eighth time. Soon, the terrible feeling of being too full, like, absolutely stuffed to the brim, and probably unable to walk.
That was when the weird tingly feeling happened once more as the tentacle slowly receded back, giving him a bit more breathing room, before his cheeks puffed outwards once again and the tentacle left his body. But not before coating his and Ruby’s lips with a thick goo-like substance that quickly hardened, keeping their lips locked even should the tentacles pull them away.
But then, he was barely able to see Ruby’s stomach slowly filling more and more. That was when he noticed the shapes of her stomach being pushed through her skin.
They were eggs!
These tentacles were forcing eggs into their body like they were living incubators and seedbeds!
He could barely see her getting filled to the brim before the tentacle withdrew itself from her body, more than likely sealing her asshole shut with whatever it used to keep their lips locked together too, making sure no eggs could accidentally fall out…
“MMM~”
Moaning, he suddenly threw his head back and convulsed as a thinner tentacle pushed past his dickhole, and forced its way down. The pain was immense, but soon enough a feeling of pleasure overcame him as it slowly slithered further and further down his cock, before he groaned once more as he felt much more smaller, yet still hefty eggs being forced into his balls, making them erupt with pain, and quickly bulged outwards with the sheer amount of them being forced into them.
Then, the tentacle slowly withdrew itself, seemingly getting petting the insides of his cock for a ‘job well done’ sort of thing.
Then, the final tentacle slowly withdrew from his ass, leaving it filled to the absolute brim with large eggs, before he shuddered and quivered when he felt that cool, thick goo-like substance covering his asshole and quickly hardening up.
Now that both of them had been egged, and now that their extremities barring a few had been filled with eggs for a new batch of… whatever might hatch from these, the Mimic decided that it was time to initiate the final part of its simple plan.
To fertilize some eggs.
Pushing the twins together once more, a thin tentacle broke off from the innards of the chest, before wrapping around Garnet’s cock that was twitching and spasming with each passing second, before slowly bringing it towards the entrance of Ruby, the place that it hadn’t yet egged.
But, it was going to allow the twins to do it for them~
Both tentacles holding the twins expanded, before pushing them together moreso, making sure to really squish and mesh their bodies together.
Of course, Garnet’s cock easily slipped right inside of Ruby’s snatch, taking her vaginal virginity, and technically sealing Garnet’s ‘third’ virginity.
And because they were twins, they were a ‘perfect’ fit for each other so to speak. Garnet’s cock filled Ruby’s pussy to the brim, leaving little to no space around it, even after Ruby’s vaginal muscles clenched down hard upon the invading cock, and the warmth permeated through his very being.
But, all the pleasure was simply too much for Garnet. Hearts exploded within his vision, and his cock throbbed with desire, and he was simply unable to hold himself back any longer.
He needed to cum.
So that he did, right inside of his sister’s pussy.
But, instead of semen rushing free from his cock, instead, it expanded slightly, before his widened to it’s limit, before egg after egg, after egg slowly ejected from his cock, and due to Ruby’s constant muscle clenching, the eggs were pulled deeper and deeper into her depths, before smashing against her cervix.
But even then, after a few more eggs piled on top of each other, her cervix simply gave way, the little entrance expanding greedily as every single egg within Garnet’s balls were slowly emptied, and pushed into Ruby’s womb.
Soon enough, Ruby’s womb was filled with eggs, and Garnet could even feel the imprints of those eggs pushing against his body through her very body.
Now, every orifice of their body had been tainted by eggs, apart from their noses and eyes - at least the Mimic wasn’t that cruel - and now, all it had to do was play the waiting game.
Hopefully most of those eggs would hatch into some beautiful little creatures to wreak havoc amongst others.
If not, well… at least they’ll be something useful to the bodies of their seedbeds~
The Mimic shuffled, before its ‘mouth’ opened up, and the tentacles holding the twins together - who seemed to have been driven completely mad by this point - threw them across the room, still completely entangled together, and all but glued together with its gunk to keep the eggs safe.
With a little shuffle, it placed itself against the wall. And if a box could purr, it certainly would be doing so~
Hours later, Yang, Weiss and Blake slowly made their way back towards the dormitory door, all of them looking tired beyond comprehension as they stayed at the party much later than they actually realized. Hell, even Weiss was lowly complaining about her feet being so sore.
Yet, none of them even bothered to counter argue the fact that Weiss decided to wear heels to a party.
As they got closer to the door, however, Blake’s ears perked slightly, before twisting left and right slightly.
Noticing this, Yang looked towards her girlfriend, “Something wrong, kitty?” She asked tiredly.
Blake’s amber eyes narrowed slightly, before taking a glance over her shoulder, and eyed Yang and Weiss, “There is moaning in our dormitory, it sounds… muffled, though.”
Upon hearing this, Yang’s ‘Big Sis’ instincts flared right up, and it seemed all energy that she was drained off suddenly returned back ten-fold, “Right.” She announced, her eyes flashing red, “I swear if anything is happening to my siblings…” She left the threat lingeringing in the air. She stormed past Blake, and pulled out the keycard for the dormitory, and flashed it past the scanner.
Yang didn’t even wait for the little light to flash green before she forced the door open, “Altright-” She started before pausing, her entire body freezing up, “What. The. FUCK!?” She screeched, her hair glowing a light, and the heat around the area seemingly magnifying to near uncomfortable levels.
Because what Yang was seeing was something that she couldn’t even comprehend.
Ruby and Garnet, both naked as the day they were born, were covered in this weird glossy-like substance, were embraced into each other’s body so that they looked like conjoined twins. They had large, pulsating hearts within their eyes, and their mouths were glued together with a thicker glossy-like substance, and Yang could even see that their stomachs were bloated so badly, they looked like they were in the late stages of pregnancy.
What the actual fuck happened whilst they were gone? And why did she have the weirdest feeling that the jittery box in the far side of the room was to blame for all of this?
END