warnings: double peen, double penetration, breeding, experimentation on reader’s body
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Your body was sore, bruises littering your skin from every needle that had pierced it. What fluids had been injected into you? They didn’t ever say what was going into your blood system, only cooing and shushing you when you struggled.
It had been so long since you had seen the sun, sometimes you wondered if it was something you made up long ago.
Most of your life was spent in an underground facility. When you were a child, it was discovered that your body was nearly compatible with naga DNA, meaning all they needed to do was change your DNA just enough to keep the Naga from becoming extinct.
“Don’t cry, it’s almost over… you’re nearly complete.”
Tears ran down your cheeks as one of the scientists examined your body, turning your hips and pressing down against your belly. “You’ll be the perfect mate for our current specimen. He’ll be so happy to have a new playmate…”
You were too tired to question anything, you couldn’t even comprehend what they were saying due to the intense pain you were in.
It had been a few weeks since you last spoke. What was the point? They never never even listened to what you had to say. There was no reason to try…
After being lifted up into the arms of one of the scientists, you were taken into the bathroom to be properly cleaned. Your skin was scrubbed, bandages applied to any open wounds and your bruises covered with soothing creams.
Why were they being gentle all of a sudden? You didn’t understand…
You were dressed in some cotton clothing, something you could easily move in. Were they going to force you into more physical tests? Running was difficult with your exhausted body, you weren’t looking forward to this at all…
Soft sunlight filtered through the doorway of the next room, and you watched in awe as the scientists backed away from you.
“Subject 213, you may now leave this facility. Your new home is outdoors.”
You walked on trembling legs, your heart racing with both hope and anticipation. Was this real? Were the scientists truly going to let you leave?
The air was thick and humid, nothing like the cold and sterile environment you had gotten used to over the years.
It seemed you were in some sort of jungle. The earth under your feet was damp, and the trees were tall with long green leaves. The sound of frogs croaking and something scurrying through the canopy had you a bit nervous, but you were determined to get as far away from that building as possible.
With nothing but the clothes on your back, you began your trek through the thick brush. It had been so long since you felt the earth under your feet, you never wanted to even think about the cold tiles of that research facility again.
You found yourself sprinting, giggles escaping your lips as you twirled and jumped, your heart soaring. There were so many things you wanted to do now that you had escaped. The first thing on the list was having a good meal.
Everything you ate was flavorless, you could almost taste some savory meat or some sweet pastries on your tongue!
Before you could think any further, the sound of snapping twigs and something slithering about made you stop.
You tried to catch your breath as you turned in a full circle, your eyes searching through the thick brush. For a moment you thought you had just hallucinated the sound, but only moments later you heard another one from your left.
There was no guarantee whatever was watching you could understand what you were going to say, but you spoke up regardless.
A shiver went down your spine as you faced the bush. “W-who are you?”
The sound stopped, and for one blissful moment you assumed whatever had been making that noise had been scared off by your voice.
Unfortunately, you were wrong.
The limbs of the bush bent and snapped to make way for the creature hiding behind it. Your eyes widened as it made its way towards you.
Its upper half was that of a human male, its lean muscular frame seeming normal… until you looked down.
The lower half was that of a snake, with dark colored scales that shimmered in the sunlight. The creature slithered forward eagerly, blinking a few times.
He grinned, his fangs poking out as he drew closer. His eyes sparkled as he leaned down, taking in your scent with a flick of his tongue.
You were too scared to move, your heart hammering against your chest as it let out an excited purr. Within seconds you found yourself trapped within its lower body, your face pressed against its torso.
“A mate? Have they finally brought me a mate?”
He rubbed his head against you, continuing those strange noises. “So small, but you smell just like a female of my species…”
You thought back about your experiences there, the endurance tests, injections, and every single hardship you went through. Was that all just to make you a suitable mate for this… thing!?
“And you can breathe this air! You’re not even burning alive!”
“W… what are you talking about? Why would I not be able to-“
He tilted his head, his forked tongue flicking across your cheek. “This climate… the earthlings cannot withstand it. Our planet-“
Your head was already reeling. “I… am I not on earth?”
The creature laughed, beginning to slither with you in his grasp. “No, you’re not. That doesn’t matter though, you’re all mine now!”
Everything seemed hopeless. Not only were you being taken away to be the mate of some unknown creature, you weren’t even on earth to begin with. Was escape even possible when you didn’t know what planet you were on?
You decided it was probably best to go along with things, just like you would in the science lab.
He placed you down in a small den. It was warm and comfortable, with a bed of furs for you to lay on. “My little mate, you’ve come just in time you know? It’s breeding season, and there are barely any females left.”
The snake half of his body curled around you, squeezing gently before he pulled you close. “We are nagas, mate. I’ll teach you more once we’re a mated pair.”
His fangs brushed against your neck as he continued to speak. “Yes, a mated pair. You’re at your most fertile right now, so we have to get you bred quickly…”
He undressed you slowly, tossing aside your shirt. The naga had never seen such large breasts before, and your nipples intrigued him.
“You’re plump and warm, that’s perfect. Our species adore things that are soft and give off heat.”
He pinched the perky buds, jolting forward with excitement when you let out a whimper. “Are these sensitive? How about if I do this?”
With a soft squeeze, he groped your breasts, giving your nipples lots of attention. The naga let out a coo when you squirmed against him, your panties growing wet.
You had been an experiment at that lab since you were a child, meaning you never got to experience sexual pleasure outside of the occasional stimuli from an examination.
This was all completely new to you, every touch and sensation had your body flushing with heat!
“That’s it, you’re such a sweet little mate. You’re going to carry my little ones well…”
His body pressed against yours, and he tilted her chin up so he could really look at your face. You weren’t sure why, but you felt drawn to him, as if your body was meant to be touched and played with by him.
That scent of his was driving you crazy. It wafted through the air, almost like a drug that made you desperate to be bred as soon as possible.
The scientists had made sure your body responded to him in this way to help the mating process.
When you leaned forward and pressed your lips against him, the naga found himself getting hard. He wasn’t expecting you to respond to his ministrations so eagerly, but he could tell you were aroused by the way your heart raced and your eyelids drooped.
“Mate… you want this, don’t you?”
His finger swirled around your pretty clit, flicking it softly before moving downwards towards your dripping hole. “Don’t worry, I’ll give you it.”
Your eyes widened when something slimy slipped between your thighs. The slit in his tail opened up, two fat, pink cocks slipping through. Both were twitching, precum already dripping from their large tips.
Pulling your thighs apart to get a better look, the naga smiled when he noticed your pussy had been modified to take both of his cocks at once. He pumped his fingers in and out for a moment, cooing as you moaned and bucked your hips into his hand.
“It seems you’re ready for me, mate.”
Everything felt so strange. His pheromones, his musk felt like they were making your brain feel fuzzy. You felt like a bitch in heat, your clit twitching at the sight of both of his cocks approaching your needy cunt.
You buried your neck into his neck, inhaling his scent as he nudged you with both of his members. His hands gripped your hips and squeezed, his tail still wrapped around you.
Without further warning, you felt the combined girth of his fat cocks stretching your poor cunt out to its limit. If you were a normal human virgin, you would have easily torn.
Luckily for you, this was exactly what the scientists had modified your body for. Despite being a bit uncomfortable with the stretch, you were still able to accommodate his large girth. Even as he bottomed out inside of you, your belly stretched and bulged, keeping you relatively content.
“Beautiful…” he murmured. One of his hands moved over your bulging belly, feeling his cock twitch under the skin and fat. “You’re taking me so well, I promise I’ll make you feel good.”
He moved slowly at first, his slitted pupils dilating. “So good… g-gods…”
The slight twitching of his cocks had you whimpering and shifting your hips towards him, you were already about to cum and he had just started.
Cum oozed from your pussy, only making it easier for him to fuck in and out of you. Your first ever orgasm felt like heaven, and it made your body melt into his like you wanted to become one with him.
He sped up now, your cum acting as lube. Each thrust made your pretty tits bounce in rhythm, and he could help but take one of your nipples into his mouth.
“F-faster!” you babbled out, pleasured tears falling down your cheeks. “Please, fuck… I need you!”
That’s all the naga needed to fear. His mate was begging for him, and it was enough to stir his primal instincts to breed you.
The naga pushed you against the wall, pounding into your cunt while you whimpered and cried. One of his cocks dragged against your walls, stretching you out, while the other hit your g-spot with each thrust.
He came inside of you, filling you to the brim with his seed. It made him beyond happy to see your fucked out face and hazy eyes, all happy and satisfied with your mate’s cum stuffed into your pussy.
“That’s it…” he cooed, kissing your cheeks as the two of you stayed locked together. “That’s my girl, just rest now.”
He laid down, his cock nestled comfortably inside of you as you began to drift off. Weirdly enough, you felt more safe with this inhuman creature than you ever had before, and got the best sleep of your life.
The naga stroked your cheek, watching over his precious little mate while you slept peacefully. Maybe a life with him would be better than you thought.
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