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For I Am Yours, and You Are Mine

Summary:

One-shot lesbian smut between a teenage girl and an eldritch entity.

Notes:

All characters of this story are fictional and over the age of 18.

There isn't any lore or backstory to this, I just felt like writing some twisted but borderline romantic lesbian porn with a tentacle woman.

(See the end of the work for more notes.)

Work Text:

The cave before her loomed dark and forbidding, its entrance a yawning chasm from which the wind moaned cold through gaping passages. Its walls made of rough stone as black as coal, yet somehow alive with an inner luminance akin to the gleam in old metal.

An edge of panic crept up on her, but Ryn knew she couldn't let fear have a place in this moment, for it would swiftly consume her. So rather than shrinking back, she moved forward, stepping into the darkness so complete that even the light of her phone barely cut into it.

Though there seemed no sign of amiability or warmth within the place, the auburn-haired girl marched ever deeper. Her steps rang out hollow on the rock floor as she passed between stalagmites and over shallow pools of water.

Eventually, she paused, listening intently for any sign of life beyond the endless emptiness of those tunnels.

There had to be something—some explanation for this feeling—for why a single part of her was so incredibly drawn to this cavern while every other screamed at her to run, to go back.

"Is there anything down here?" Ryn inquired into the stillness. "Any reason I shouldn't turn around and leave?

But nothing answered her call save the wind and herself.

Of course not, how could there possibly be? She was alone and abandoned beneath earth’s surface, stumbling blindly along twists and turns that appeared to lead nowhere. And yet, despite all logic, the little voice in her kept whispering that that wasn't quite true... that someone was waiting just outside her sight somewhere ahead, watching her progress through the dark with interest and anticipation.

So her feet continued onward, even as the unease grew stronger with each step. The sense that guided the teen didn’t sprout from rationale—it had matured from some deep longing so profound that only Ryn could hear it calling.

But more moments of nothingness ticked by, her heart beating faster and faster... until eventually, she couldn’t take it anymore. Just when she was about ready to admit to her insanity and turn back, a new sound joined in with the wind—not quite footsteps, no, more like soft padding on stone. And definitely coming closer.

The hairs on the back of her neck stood up and her mouth went dry. She dared not look away from the blackness ahead, out of fear to lose whatever vague sentiment was piloting her till now.

Her mind whirred with wild possibilities: Were there wolves or bears down there? Something worse? Was she meant to hide or run?

In the end, though, the decision was taken out of her hands. A figure stepped into view—the creature that had surely been stalking her since her first steps across the cave's threshold—and Ryn found herself staring up at a woman.

Or, was it a woman? She struggled to make sense of the appearance; the strange way that light seemed to bend around this female shape left her feeling uncomfortably disoriented.

It took another moment for her eyes to adjust enough to get a proper sense of the being's entire form, and what she saw made her skin tingle. Unquestionably a woman, and beautiful beyond all reason—more perfect than any human could ever hope to be—yet monstrous at the same time. A grotesque parody of humanity in a place where there should have been none.

Tall and slender with pale skin and long raven hair falling past her naked body all the way down to her waist, the woman carried herself gracefully as she glided forward from the shadows towards Ryn. However, the tentacles which sprouted like twisting serpents from her back did not quite match that elegance of motion—their movements were too violent and uncontrolled, almost frantic.

The beautiful monster paused only an arm’s length away from the bewildered girl, gazing down into Ryn’s face with eyes that revealed a fiery, inner core, holding within them both wonder and mystery. All of her features were finely chiseled, delicate, with high cheekbones and full lips over an aristocratic nose. Her figure slim but voluptuous, possessing the right kind of curves to leave Ryn wondering how they'd feel under her hands.

But it was not these physical aspects that held Ryn in absolute awe. No, it was her very presence—the strength with which the woman stood, a sense of majesty and power that defied anything Ryn had ever felt before.

When she spoke, it was in a voice that seemed to come from everywhere at once; soft and clear but somehow just as dark and mysterious.

THOU'RT FINALLY HERE, MY DEAR ONE.

"I am." Ryn was afraid, terribly so. It dawned on her that the choice of coming to this place might not have been entirely her own. But just like terror had a hold on the girl's mind, so too did curiosity and fascination. She found herself unable to pull away, to stop staring into those unbelievable eyes. Even as one of the woman’s tentacles reached forward and caressed her throat with a cold and unsettling touch, neither her body nor her will inclined to falter.

I HAVE WAITED FOR THEE.

A smile spread across the woman's face—a grin that displayed sharp, even fangs, glistening like polished marble in the low light—and she took another step closer still. While the expression should have been frightening to behold, to Ryn it seemed like there was no malice, but instead almost warmth and welcome within it.

COME, TELL ME THY NAME.

With the tendril slowly winding around her neck and up into her hair, she swallowed hard against the sudden lump in her throat. "Ryn," she managed after a moment, her voice feeling oddly distant and unsure of itself.

Pulling her forwards with gentle pressure, the woman extended her long and lean arms until they wrapped themselves possessively about Ryn’s waist. The teen tensed but made no move to resist being held in an embrace that felt somehow warmer than it had any right to be.

As their bodies melted into one another, Ryn was convinced she could sense something akin to electricity dancing between them—an invisible current that made her skin tingle and her heart pound.

With her delicate fingers brushing over the back of her head, and her breath hot against the top of Ryn's ear, the woman whispered softly into her mind.

HOW BEAUTIFUL.

Ryn took a deep breath then, inhaling the stranger’s scent. It was intoxicating; one she knew instinctively was meant for her alone, yet unfamiliar and overwhelming. All of her senses were assaulted by this presence, drowning out most other thoughts with its power and intensity.

One thing remained, however: she still didn't know who this woman was, or how she'd come to be here.

But before she came to ask the questions that needed answering, the damp grip around her neck tightened, forcing her head upwards so that a sudden pair of soft lips could meet her own. In an instant, Ryn was roped back into reality. The woman's tongue forced itself past her teeth and into her mouth, exploring every corner with lithe and sinuous movements. Her first kiss—so ferocious, so unexpected.

Keen fingers dug into Ryn's sides, clutching tight against the soft flesh like an iron vise, rendering all of her struggles in trying to pry herself away futile and pointless.

Maybe she did not fight as hard as she should have. Maybe as Ryn felt those supple breasts pressing against her own, her mouth being ravished by that wanton serpentine tongue, and the heat and tension between them growing stronger, some part of her mind had begun to yield to the overpowering sensations within and was allowing her body’s resistance to crumble away bit by bit. Maybe she soon found herself willingly returning the kiss with the same eagerness with which it was given, discovering a strange sort of strength in that embrace and desire for more.

Whatever the case, she could think no more after a moment; only feel. Her arms encircled the woman's waist while their tongues wrestled against each other, her fingers pulled at silken hair, her hips began to roll forward as if begging for more contact. And as their breasts and thighs rubbed together in heated friction, Ryn couldn't help but moan into the devouring mouth, unable to suppress the rising swell of pleasure coursing through her nerves.

The woman seemed to take this as encouragement, her free hand gently caressing Ryn’s cheek before sliding down further till it reached the hem of her skirt. While her touch was cool against the skin of her stomach and inner thighs, its effect on Ryn's sex was anything but—and as the pressure of those slim fingers slowly found its way onto her mound, rubbing tenderly over the moist fabric of her panties, she moaned again, arching herself into the captivating grasp.

THOU'RT MINE NOW, AND I AM THY'S.

The woman hummed those words onto her lips before engulfing them once more; this time, however, with her tongue probing deeper—past the teen's own—causing Ryn to shudder as it wormed its way into her throat.

Her breathing grew heavy and ragged, her lungs struggling for air as she fought back a sudden urge to gag in response to the alien organ stroking up and down her esophagus, teasing and prodding every sensitive spot along the way.

But no matter how hard she tried to resist and push the intruder away, that slippery yet firm flesh continued its inexorably assault, all the while the woman's digits traced circles around her clitoris and stroked the delicate folds of her labia. With the onslaught of unabated and unbridled sensations, Ryn almost didn't notice how more tentacles had begun to crawl along her body, wrapping themselves about her ankles and calves like serpents.

From one moment to the next, their exchange of saliva came to an abrupt end as Ryn was hoisted into the air with a shriek of honest surprise; held aloft only by the strength of those writhing tendrils that gripped her limbs and neck like shackles. With no means of opposition against such power, her legs were forced apart like that of a doll at its owner's whims, spreading them wide open for whatever plans the woman had in mind for her. Within moments she felt the cool leather of another tentacle moving between her thighs, sliding up towards the damp furrow of her sex.

"Wait!" Ryn whimpered in protest through panting breaths, her eyes widening as that thing began to wriggle itself under her panties, brushing up and down against the sensitive surface of her most intimate region.

The woman took note of this and paused in what she was doing, her gaze lingering on the teen's glistening slit before turning its attention back upon her face. She regarded Ryn curiously, cocking her head to the side as if unsure as to why she suddenly had to halt her activities.

DOST THOU NOT WANT THIS, RYN?

The way her name rolled off those sibilant lips so tentative and smooth—so much like a purr, rather than the harsh hiss of a snake—made it impossible for Ryn to not to be taken aback. She didn't expect to have a say in the matter; to be treated as something that could refuse.

As if reading her thoughts, the woman smirked, running one delicate finger across the topmost curve of Ryn's breast with deliberate care, making her squirm at its touch.

THOU MAYEST CHOOSE WHETHER OR NOT THY DESIRE IS FULFILLED.

"Wh... uh..." Ryn stammered, swallowing hard beneath that unblinking gaze, while the tip of the tentacle between her legs began to shift and probe about more urgently. "I don't understand," she finally managed, her voice rising into a nervous squeak.

DOST THOU NOT WANT THIS?

The woman merely asked again, her member continuing to rub against Ryn's folds, coating itself in the lubricant of their mingled fluids.

Ryn hesitated for several moments—why was she hesitating? There was no way she should crave to go further with this, to let this bizarre being have her way. It wasn't natural; she knew that much already! And yet, despite all her reasons, she couldn't bring herself to speak out and reject it—a part of her mind continued to wonder what would happen if she simply surrendered herself, just gave in to the pleasurable sensations currently pulsing through her body.

Her answer came in a trembling whisper, almost afraid to give voice to such an unthinkable desire. "... I want it."

A look of unbridled delight spread across the woman's face, her smile wide enough to stretch from one ear to the other as that thing beneath Ryn's panties shifted its position even more vigorously, obviously eager to get inside of her.

Ryn tried desperately to steel her mind, willing her pulse to slow and her breathing to steady; but nothing could have prepared her for the sudden ferocity with which the tentacle plunged into her virgin depths. She cried out with a wail of pure shock as the slimy organ stretched her sensitive walls apart, arching her back so violently she felt sure that some vertebrae might snap under the strain.

"Fuck! Holy sh-" Ryn's shrieks were cut off abruptly as another of the woman's appendages invaded her mouth, forcing her jaw impossibly wide open to accommodate something obviously too large for her cavity. The girl's muffled whimpers of protest did little more than echo about the room in a distorted fashion.

Through wide-open eyes, she tried to plead with the woman whose calm smile remained fixed upon her visage. But instead of the assault abating, one tentacle descended further into Ryn's throat and forced itself down her gullet like a snake, while the other pierced through her maidenhood in an instant, pushing aside her tight inner ring in order to find its way straight towards her womb with an obscenely eager thrust.

It hurt, of course it did. For a brief moment, Ryn believed she was going to pass out, unable even to breathe, and nearly throwing up from the pain of having her insides violated so mercilessly.

Her body shook uncontrollably as those twin tendrils proceeded with their relentless invasion and drove into her deepest reaches without forgiveness or care, pushing past every barrier they encountered along the way and spreading her virgin flesh far beyond any limits she could have ever imagined possible.

And yet, despite the agony, as Ryn found herself on the edge of consciousness—her eyelids drooping shut and her muscles losing all tension—she couldn't help but slowly begin to marvel at what was happening to her.

At first, her mind rebelled against the notion that she actually wanted this; that she enjoyed being so ruthlessly defiled and penetrated. Surely no one would feel pleasure from such abuse? But for all that, even if the being had somehow managed to twist her thoughts into some sort of sick perversion, there were still undeniable sensations emerging from where the two alien limbs lingered and squirmed in Ryn's intestines—intoxicating pulses of pleasure that raced alongside the pain, igniting her nerves like wildfire.

The throbbing probe inside her pussy caused Ryn to involuntarily tighten around it in a way that made it impossible for her not to moan and writhe beneath the woman's attention. Meanwhile, the thick tendril sliding across her tongue and down her throat coated her with an odd sensation of satiation which kept her unable to stop sucking at its wet length even if she tried.

"Mn..." Ryn groaned softly as, eventually, the two intruders seemed to ever so slowly withdraw from her depths; her eyes fluttered open again and her legs quivered. Glancing at the woman still watching over her with amused interest, the teen noticed with some surprise that she too was panting, her breasts heaving as two tentacles pumped in and out of the her own sex with a rapid and rhythmic motion.

She was pleasuring herself, and doing it very... vigorously. And judging by the way her hips swayed back and forth, and the muscles rippling along her slim frame, she was certainly enjoying it. A lot.

That realization didn't do anything to minder Ryn's growing sense of disorientation, but it did provoke the question of whether she would soon experience similar treatment. The answer came quickly, as the tendrils that had seemed to be retreating only a moment ago suddenly plunged into her body once more, stretching her tight inner walls apart again and forcing another loud groan from her throat.

It hurt less this time; not because of any change in how they were goring her, but simply due to Ryn becoming accustomed to their presence. Still, she could feel them probing inside her all the same, wriggling about within her sensitive folds and spreading her up until every inch of her insides was filled to capacity anew.

Then, again, they withdrew. And again, they pushed in deep, impaling her with renewed vigor.

Ryn moaned weakly as her eyes rolled back and she felt those slick tentacles thrusting in and out of her depths over and over and over. Her limbs grew heavy, almost numb under the assault, yet her lower and oral regions remained aflame from that constant friction. She whimpered like an animal, grunting and groaning as she gave in to the pleasure filling her being, unable to stop herself from finding elation beneath such ruthless violation.

The pain lessened as time passed, enough for her mind to realize how badly she desired what was happening to her—craved it so much that it had actually become impossible for her to deny it any longer.

THOU'RT DOING WONDERFUL.

Smiling at her and continuing working herself still, the woman was definitely fully aware of Ryn's emerging carnal state; and the teen soon found herself eagerly returning the expression with one equally as lustful in its own right.

This continued for a while, and just when Ryn finally thought her body had grown accustomed to having those thick intruders ravaging her from within, the tentacles holding onto her tightened their grip further, threatening to cut off her air supply completely or even tear apart her fragile frame in its entirety. Before she could protest, however, an unforeseen and particularly powerful penetration on both ends drove all semblance of rational thought clean out of her head—only a primal urge to survive and endure remained as she lost consciousness and allowed her mind to drift away into oblivion...

"M- Mmph?" A startled gasp escaped Ryn as she came awake, her eyes snapping open and meeting those of a familiar face mere inches away from hers, gazing down upon her with almost predatory intensity.

And as she blinked owlishly up, she realized with some alarm that the owner of said face was still ramming her appendages into her orifices hard enough to nearly make her faint again.

The woman's breasts jiggled wildly as she rhythmically thrust into Ryn and herself in tandem, causing the teen to moan throatily—the pleasure swiftly washing over her like tidal waves once more.

Her mind reeled at the notion, too weak yet to fully comprehend just how long she'd been out and fucked senseless for. It didn't really matter; not when what she felt now eclipsed any previous experience in terms of pure ecstasy, leaving her quivering and gasping beneath the busty woman. She was given no chance to regain her senses—a fact made abundantly clear by the woman's next thrusts, which grew ever more frantic and powerful until they threatened to break her completely. And, for some reason, they were welcomed with wild abandon by Ryn's deeper-lying psyche.

The only tenderness Ryn got came from the soft hands with which the woman cupped her cheeks, caressing her skin as though trying to calm her down; all the while continuing to plunge those heavy tentacles into her body so forcefully that each impact caused ripples to spread through her flesh, and her inner walls to ache and spasm around them uncontrollably.

"M- Mm... mff!" With her eyes screwed shut, Ryn grunted desperately as a particularly strong pulse of pleasure struck through her dazed mind, making all of her muscles tense in preparation for an inevitable and rapidly approaching release that would almost certainly shatter what little sanity she had left.

The woman seemed to sense this as well, and with great urgency began pounding both herself and Ryn even harder, if such a thing were possible; her beautiful form undulating and squirming above the girl's small frame as it appeared she tried to force everything inside further still than it already was.

The sensation proved to be effective on Ryn, and soon, with a muffled cry of elation, she found herself climaxing in unison with the woman, losing control over herself entirely as every fiber of her nervous system went into absolute meltdown. "Nnnngh!" She bucked wildly beneath her partner, shuddering through the most powerful orgasm of her young life.

And while euphoria wracked her body, her mind threatened to turn blank and fall away again—only for Ryn to suddenly snap back into reality when she felt the woman's throbbing tentacles erupting deep within her, filling her up with a torrent of thick, hot liquid as they emptied themselves into both her womb and stomach in powerful gushes.

With spurt after spurt of the semen-like substance pouring into her as if trying to drown her whole in its virile flood, she felt her belly swell unnaturally from the sheer volume. But rather than expressing discomfort or fear at being possibly impregnated in such a violent manner, Ryn instead welcomed the new development, finding a perverse pleasure in experiencing something so utterly foreign and different than anything else she'd ever known.

It didn't take long before that alien fluid completely filled her petite body, overflowing from every hole and crevice until finally the last few spurts trickled out and the tentacles retracted from inside her. Instantly, a wave of nausea hit Ryn, causing her to cough violently and gasp for the precious oxygen her lungs had so desperately missed; then forcing her to heave and throw up at least half the contents of her stomach, splattering the translucent, gooey liquid all over her clothes and the floor beneath her. In a similar fashion, the viscous substance oozed out of her pussy in rivulets, joining into a single messy pool on the ground.

"Mn... haah..." Ryn let out a deep breath as the world came back into focus, feeling faint and exhausted but still oddly exhilarated despite it all. Even her mind seemed to calm down a little now that she could somewhat breathe properly again, allowing her to gradually return to herself.

The warmth of the cum dribbling from and out of her body was strangely soothing in its own way, filling her with a twisted sense of pride at having been able to successfully satisfy this being. Ryn felt herself blush hotly when she saw the woman gazing upon her like an adoring parent watching their child achieve something they themselves had never thought possible; and she found no need to reject that notion. She certainly didn't want her to stop looking at her so lovingly.

THOU'ST DONE WELL, RYN.

With a shy smile, Ryn allowed herself to be lowered into the woman's waiting embrace, the tentacles slowly retracting from her limbs and neck, leaving only a slimy residue and tingling burn behind. "Thank you," she stammered out, unsure what else to say or do, lying limply in the warm comfort of her partner's tender arms.

The woman returned the gesture by holding onto her tighter, gingerly cradling Ryn's head against her chest, and rubbing her cheek along the teen's hair. Then, with long strides, she began walking deeper into the darkness beyond—carrying Ryn towards whatever goal lay ahead for them both.

THOU WILT BEAR MANY OF OUR CHILDREN, MY LOVE.

Ryn blushed crimson at the words, but couldn't bring herself to disagree or question them—there was something about the woman that gave off such certainty, and she simply wanted to accept everything about her even if she wasn't certain of anything else.

WE SHALL SHARE A HAPPY LIFE TOGETHER, FOR THOU'RT-

"For I am yours, and you are mine," Ryn finished for her in a trembling voice, smiling up into the woman's eyes, and relaxing against her partner as she basked in the glow of their newfound love.

Notes:

I'd be very happy about a Kudos if you liked this story, as that truly encourages me to write more. And a comment would make my day.