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The Celosan - Fantasy Fulfilled

tags : mind control, oviposition, anal, vaginal, slime, tentacles, monster, female, tigress

The proceeding story features a creature that the fantastic Salrith created and wrote a story about, and had Slug draw. I've adapted it to my own use, with Salrith's permission, and had it offered on my own 'YCH' list of things to put people's characters through.

https://www.furaffinity.net/view/32590840/

If you like Slug's work, go to their FA, or SlugBoner.com

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Ellie shivered as she stood at the edge of the celosan's nest, her yellow and white striped fur seeming to almost glow in the faint bluish light given off by the huge mushrooms that grew all over the walls. The small data pad in her hand gave off its own pale light, a bright red square in the middle of the display with 'SOS CONFIRM?' printed in block letters overlaying it.

Amber eyes searched through the dim illumination of the mushrooms, searching for the object of Ellie's darkest fantasies. For a few moments, she was worried she'd missed it, that it had somehow left its nest for another. But then there was the slightest movement against the far wall, a good thirty feet away.

"Oh my god," she whispered to herself. It was well camouflaged against the smooth, damp cave wall, its hide the same dark gray-green as the rock around it. The only thing that gave it away when it stopped its infinitesimal motion was the bright red of one of its six eyes as it opened. Then five more red eyes opened, two rows of three, and Ellie realized with a rush of fear that the creature was _aware_of her.

Ever since she'd heard of them, celosans had fascinated her in a way nothing else had. They were a species of parasitic creature that had somehow propagated to multiple worlds. The locations of their nests were almost all the same; deep, damp caves that never saw the light of any sun. Nobody had yet found how they managed to spread from one planet to another, but it had been well documented just how they managed to breed.

Once a celosan found a nesting place, it would seek a mother for its brood. Or rather, an incubator, because its prey contributed nothing to the genetics of its offspring. When away from the nest, it hunted for food in the same way it sought an incubator. It would hide against a wall, immobile, waiting for prey to come close. If in reach of the mass of tentacles that it could extend in half a second, the prey would be helpless. Small animals, well, ones that were smaller than it was, would be bitten and injected with venom that quickly paralyzed. They could even take out creatures twice their size.

When at their own nest, however, if they didn't have a host for their brood, and sometimes even if they did, the danger was even more grim than simple paralysis and becoming a meal. A suitable host would be held tight and left unbitten. The celosan would then immobilize its prey with the tentacles that emerged from vents on the side of its body, and shove its breeding organ, much like an ovipostor, into the new host's lower holes, and start pumping little slug-like larvae inside them. Filled with dozens of squirming, wriggling larvae that would grow fat and change into little celosans within the host, and then be 'born'.

The frightening part, the part that made this so dangerous, was that during that breeding, the celosan would bury thin tubes in the nostrils or ears of the host. Over the course of hours, they would invade the brain, and slowly take over the host's thought processes, editing and changing their desires and impulses, leaving them as nothing more than devoted brood 'mothers' to the nest. One could be freed from their insidious mental control, but every breeding made it harder and harder to overcome. It was estimated that after as little as five breedings, over the course of a year, the host would be so far gone, their sense of identity so obliterated that it could prove impossible to bring them back to a semblance of a normal life.

That terrible fact, that horribly debilitating corruption of mind and thought, was what fascinated Ellie the most. There were reports of hosts occasionally resisting past the first breeding and seeking help, but they were few and far between. The simple truth was that Ellie wanted to know how it felt to lose her volition, her freedom. To be utterly claimed and enslaved to the alien creature.

For years, she had imagined and fantasized and masturbated to a disturbing degree while imagining herself held to the body of a celosan. Her body covered in a sheen of slime, pale yellow and white fur matted and slick, held fast to its belly. Her luxurious long hair wet and ropy and sticky. A fat spire of flesh shoved into her dripping-wet sex, then under her tail. The feeling of those larvae starting to squirm and wriggle and then bury themselves in the walls of her vagina, womb and bowel, leeching off of her. The tendrils buried in her nose, changing how she felt and what she thought. Making her happy and blissful and devoted to a monster that she was forced to love. She'd imagined how she'd look with glassy, empty eyes filled with nothing but adoration for her mate and her twisted brood.

And now, there was one of them thirty feet away. Too far away to grab her, sure, but it was aware of her. Watching her. She looked down at the tablet in her hand. She hadn't been able to tell anyone she'd been looking for a celosan. They'd have tried to tell her she was insane, or sick. Maybe she was, even. The tablet was her freedom. It would link up with the small skiff she'd left outside the entrance to the cave, and start transmitting an SOS. It would take a while, but it would eventually be detected, and she'd be rescued. One breeding, one chance for the celosan to claim her mind. There would be questions, but she'd get away after some serious counseling and treatment. Better to seek forgiveness after, and all that.

Ellie licked her lips, touching the little heart hanging from the collar on her neck, the only thing she was wearing. She let out a tiny little moan and touched the button on the tablet, then set it down on the floor. There was no way she would back out now, not when she'd come this far, made this much effort. Weeks of planning, of arranging finances and making sure nobody would actively look for her. Far as anyone knew, she was out on an extended and well-deserved vacation.

The celosan stirred when Ellie stepped toward it, drawing a little frightened whimper from the tigress. Despite her desire for this, she was scared all the same. Scared that the SOS wouldn't be found in time. Scared that it would hurt far too much. The fascination and the excitement were too much to bear though, and she _had_to know, even with the danger of a much more permanent residency in the cave that was the celosan's nest.

The alien monster didn't move, growing even more still as Ellie strode closer. It would only snap into action when it was certain of capturing her. A few metres away, just outside of its range, a thought occurred to Ellie. With a little smile, she wondered what it would do if she presented herself for it, if she offered her body to it. The idea made a thrill of excitement wash through her, and she reached down to stroke fingers between her labia. "Oh wow," she whispered as she pleasured herself.

She fell to her hands and knees, turning her head to watch the creature. She bared her backside to it, reaching one hand back and up, spreading herself open with two fingers while a third rubbed at the thick nub of her clit. Jolts of pleasure rocked through her body, and she dipped fingers into her passage, marveling at just how wet she was. She was really here, about to do something she'd only ever dreamed of.

To her surprise, the celosan _unfurled_itself from the wall, and Ellie got her first clear look of the creature. It was huge, with an underbelly covered in clear, glistening slime. The smooth skin of that belly was a pale pinkish-gray. What had most of Ellie's attention, however, was the bulging pouch near the rear end of the celosan's body. It looked like nothing less than a massive, bulbous scrotum. The skin was transparent to the point that even in the faint light, she could see hundreds of little worm-like larvae squirming within. In front of that pouch was a thick sheath of loose flesh, one that quickly filled out. From it emerged the rounded head of a pale pink wrist-thick ovipostor that extended outward almost a foot. Where the darker hide of its back met the underbelly, dozens of tentacles, some thinner than a pencil, others thick and muscular, began to slip free from little slits.

It was beautiful, Ellie thought to herself. It moved with a strange sort of alien grace, seemingly unconcerned that she would run. There was no way that it could know that she wanted this, was there? No, she realized, it would be thinking that somehow her mind had already been claimed by it, that she was its mate offering herself for the next brood. It had no _need_to strike fast, she wouldn't fight it.

"Come on," she murmured, voice heavy with her need. She flicked her clit, her excitement growing while the monster slithered slowly toward her. There were tentacles reaching out for her now, only seconds from being able to wrap around her legs and arms. And then, between one thought and the next, she felt one, then another of the tentacles curl around her thighs, two more slithering around her ankles. The celosan gave them a firm tug and pulled her up against it. She pulled her hand away from her sex and then lifted her arms up and back. Obligingly, more tentacles entangled her arms. One of them encircled her chest, slithering across her breasts, the clear slime leaving trails in her fur. When another wrapped around her neck, she felt herself drawn up against the celosan, the slime soaking into the fur of her back. "Yes! Yes, thank you!" she gasped out.

The few videos Ellie had been able to find had shown lightning quick movement, violent action and punishing pace, but to her surprise, she was held almost tenderly against the beast's flesh. It rolled suddenly onto its back, pulling its tentacles a little bit tighter to make sure that she stayed in place, but still it felt somehow gentler than she'd expected. When she felt her legs being guided up and back, she helped it along, making sure that her sex was bared for the creature.

Dozens of the smaller tentacles began to explore Ellie's body, leaving more of that slime all over. Within a minute, there wasn't a single bit of her soft fur that wasn't covered in a light coating of it. A few curled around her breasts, the tips teasing and wriggling and stroking them to hardness, drawing excited little gasps and moans from her. More slithered between her legs, probing and poking, one of them even pushing under her tail and inward, slathering the puckered flesh with moisture. A few teased at her ears and nose, wrapped around her tail, twining through her fingers, not stopping that slithering exploration until every part of her had felt their touch. The larger tentacles re-positioned her body, quickly pulling tighter to the point that Ellie could barely move a muscle.

The tigress' breath quickened and she felt her inner walls clench. It was ready to breed her, to start spilling its wriggling young into her! The part that she truly wanted to feel would come not long after. Without a sound, the celosan suddenly curled its body, pressing the broad tip of its ovipostor to her eager mound. "Oh... oh my god, oh god..." was all that Ellie could say. The pressure of that monstrous organ against her was intense and unrelenting, taking but a few seconds before it stretched her wide, sinking in a few inches. The girth was more than she'd ever taken before, enough to draw a pained cry from her.

The celosan gave a hard shove of its organ, and she felt that thick, broad tip abut against her cervix, drawing another loud cry from her. And then came the ferocity that she'd expected as the monster started to_fuck._ Pulling back and slamming forward, the thick ovipostor battering her passage painfully with each thrust. Relentless, unstopping, it rutted the tigress' passage with no regard for comfort or readiness.

The tentacles around her face lifted Ellie's chin as she burbled out cry after cry. Her gaze fixed on the alien visage of the monster and she felt a cold wash of instinctive fear fill her. It was time; it was ready to claim her mind. Take it, rape it, remove anything but slavish devotion to the celosan. With the realization that, very shortly, she would be completely enslaved to it, mind and body both, she came, her ragged cry of ecstasy resounding in the cave.

As Ellie's body rocked and writhed, her inner walls clenching and squeezing the monstrous shaft, two pale pink tendrils, each no wider than the thin cable that she would have used to connect her still-broadcasting tablet to her skiff, sprouted from slits at the corners of the celosan's oddly-shaped mouth. Wiggling and writhing, they descended toward the tigress' face. The tentacles holding her head tightened even more, keeping it as still as they could with the creature's shaft relentlessly pounding into her.

With not a moment to prepare for it, the tendrils pushed into each of Ellie's nostrils, lubricated in the same slime that coated the celosan's belly. The tigress gasped and instinctively tried to shake her head, but it only made the tentacles holding her head tighten even more. The sensation was alien as anything she had ever felt, and it made her nose ache as the tendrils pushed deeper into her sinuses.

There was a sudden pause, and the celosan went completely still for a moment, the thrust of its ovipostor stopped with only an inch of its length stuck inside her. Those few seconds seemed to stretch on into eternity. "Please, please do it," she begged, knowing that the monster wouldn't understand her words.

Two things happened at once; there was a sickening crunching sensation and a stab of fiery pain in Ellie's skull, and the monster's ovipostor swelled even wider, stretching her quim painfully. Her gaze blurred for a moment, the pain in her head so disorienting that she lost track of everything for a few seconds. A small, wriggling mass of the worm-like larvae spurted into her from the tip of the thick appendage. They immediately began to squirm, somehow instinctively moving deeper into her passage.

Ellie let out another ragged cry, this one of pain, as the pleasure of her climax faded. As a disconcerting itch began somewhere deep in her skull and the larvae in her vagina wriggled deeper, she felt a moment of icy fear. She'd done it; she'd given herself over to a monster. If something went wrong with the SOS, if nobody came and rescued her in time to prevent further breedings, this would be her entire life. There would be no way to stop it. She enjoyed her normal life, she really did, and this had a real chance to be a permanent thing. She knew she had made a terrible mistake. Her only real hope, her only guarantee that she'd get away, was to try and keep some part of her mind free.

A sudden pain blossomed in Ellie's belly, and she knew that one of the larvae had breached her cervix, squirming into her womb. It came again, and again, though it grew less pronounced each time. She felt her eyes welling up with tears. She imagined hair-thin tendrils sprouting from the tendrils now buried deep inside her skull, pressing deeper into her gray matter. She wouldn't be able to feel them there, just the spot where they'd invaded. "Oh no, no... oh fuck..." she said, a touch of horror in her voice.

Again, two things happened at once. The celosan's ovipostor swelled again, and a fresh little bundle of larvae spurted into her womb... and there was a disorienting pressure inside her skull that made her vision blur another time. A strange lassitude fell over her thoughts, the concern and worry starting to dull. She wasn't sure how much time had passed during that blur of vision. She stared back at the six glowing red eyes of the celosan, each one of them focused intently on her. Didn't you want this?_She asked herself. _Didn't you just come at the thought?

Little stabs of pain came from her womb again, but some of them were different than the sensation of the larvae pushing into it. Ellie moaned when she understood; the creatures were latching onto the wall of her uterus. They would start to draw on her very life's blood. She would be constantly ravenously hungry. As they grew, they'd get bigger and bigger, making her belly bloated and huge. She let out a ragged sob, fear growing again as she thought of all the things that could go wrong.

There was another swelling, another blur of her vision. Another little bundle of larvae left inside her. The lassitude grew into a gentle sort of bliss that made it hard for her to be afraid. She really _had_wanted just this, hadn't she? It hurt, quite a bit, even. But those were just consequences to the real pleasure of having her thoughts changed and overridden. When those stabs of pain came again, they didn't stop. Not all of the first batch of those little larvae had yet latched on yet, and so they started to bleed into one another.

A fourth swelling of the monstrous appendage came, and another pressure was felt in her skull. Her vision blurred once more, and so grew that feeling of bliss. Uncertainty crumbled away as she met the monster's gaze. Monster? She thought? _No, it's my lover. It's beautiful. I should try to help it. Show it what feels best to me.

_

To Ellie's surprise, and her delight, the tentacles around one arm released, and her hand dipped to her quim. She felt that ovipostor now, pressed into her, stretching her, even giving it a stroke before starting to rub her clit again, letting the pleasure of her masturbation fill her mind. When the next jolts of pain came, she rubbed her clit with each of them. Don't do this, some small part of her mind screamed at her, you have to fight!

The fifth swelling and blurring came, and Ellie moaned, this time in ecstasy. The pleasure of masturbating grew even more intense, and her mind reeled. The tendrils buried in her skull no longer ached, in fact their presence was comforting. Soothing. She smiled at her lover now, and remembered how she'd thought it was beautiful even before it had claimed her. Before she knew it, her other arm was freed, and she lifted a hand up to squeeze her right breast, fingers pinching the nipple that had already hardened.

She realized with a strange sort of dismay that there were no more jolts of pain in her womb. But then she gasped and let out a squeal of surprise as they resumed from directly in her vagina. There was no more room deeper in her, so they were latching on where they could. It was alright though, they would end up the first to grow. The first of her babies.

The ovipostor tugged out of Ellie's sex, and one of the larvae spat from her lover's cock. She didn't even hesitate, she picked it up and pushed it into her. It needed her, she was its mother! When the celosan re-positioned itself, she lifted and rocked her hips, trying to offer it a better angle. She looked down at the huge organ. The sight of a little bit of her own bright purple blood on the ribbed shaft made her instincts scream at her. The little voice that cried out in her mind came back, and uncertainty once against asserted itself.

The celosan curled again, shoving that thick appendage against her ass this time, and when, lubricated both by its own sheen of slime and her pleasure, it finally sank into her, she let out a scream. The violation was a fiery, powerful pain as the huge organ shoved into her ass all in one go, and immediately it began to rut, shoving that stiff, foot long spire of flesh all the way into her, the lip of its sheath kissing her rump every time. This fucking wasn't pleasant in the least, and she felt her thoughts of worry and fear starting to return in full force. Maybe if it took longer to reach its peak, she could shore up her resistance to whatever it was doing in her brain. Her insides churned by the celosan's ovipostor... invaded by her lover's cock... her mate's cock, it just wanted to give her more didn't it?

And then the pulse and blur and swell came again, drawing another scream from Ellie as her anus was stretched wider than it could safely handle, and something broke just a little. Lassitude and bliss. Her masturbation had been forgotten, but as those other emotions came to her, she resumed that massaging of her clit and the teasing at her breasts. She began to think of things like the touch of a lover's kiss to her neck, the happiness and joy that would bring. The tentacles holding her head relaxed, and she was able finally to look down. Her belly was swelling a bit, but not as much as she would have expected. She could see the spire of her mate's cock. Her mate. Her beautiful, wonderful delightful mate. It was hers as much as it belonged to her. Each pulse of chemicals and each sprouting growth of those hairlike tendrils in her brain were learning from her.

With the next swell and blur of vision, she came, a thunderously powerful climax that made her quim gush around the mass of larvae now firmly latched on inside her. She could feel it now, so connected was she to her mate. Her beloved, wonderful mate. It was proud of her. It had enough of a mind to be proud. It had enough of a mind to love_her, and it _did. Her mate was so happy, so proud that she'd wanted this. Maybe she was just anthropomorphizing it, and it felt nothing but the overriding need to breed. Maybe it was a monster that was raping her mind, robbing it of conscious thought. A nauseating, painful sensation washed over her, and continued until she stopped thinking those terrible things about her mate.

After the next few cycles of swelling and blurring, she came to need them. She came to want them to draw her deeper into it. She didn't know which one of them found her pleasure centers, but the next swelling and spurt of larvae made another climax come. And every one after that. Eventually, when the last came, when her bowel was as packed full of her babies as it could be, the celosan had let go of her body completely, now only connected to her by its ovipostor and the tendrils in her brain.

The tendrils withdrew first, and there was a low sensation of burning in her sinuses as they spat little gobs of something to the holes they'd made. They came out bloody, two inches of their length covered in purple fluid. Her mate's cock was also slightly streaked with her life's blood. Already she was hungry, and she whispered, "Please, please..." the only words that could spill from her lips. She reached up to stroke her lover's cheek affectionately, "Please love I'm hungry..."

The celosan obliged and pressed its mouth to hers. Unsurprising, it extruded one more tube, the same tube it used to draw prey into its stomach, in fact. It fed her, the wash of a chunk-filled slimy slurry touching her tongue. It tasted of rot and other far more unpleasant things, but she sucked it from the tube like it was her life line.

When she'd had enough, Ellie sighed and pulled her head away. She touched her abdomen, distended now from the hundreds of larvae that had taken up residence in her. She would be weak, but oh, this was perfect. It was what she'd wanted, an utter devotion to an alien monster.

The celosan set her down delicately, and even cooed at her, a sound that made a joyful laugh come from her. "You can have me again when our babies are born..." she said softly, "Then I can be yours even more. I won't have to think about anything, love. You'll make it so I don't need anything but you. My most beautiful master."

She knew it didn't understand, not really, but all the same, it made her happy to say those words. She watched her new mate start to slither from the nest, obviously out to seek new prey. Their babies would have to grow, and the only way to make sure that happened would be to feed her.

Alone in the chamber, with the deed fully done, her new mate off caring for her needs and those of their babies, she found her gaze drawn to the tablet on the floor of the cave just beyond her nest. "The tablet", she marveled, "That's it. I remember what I need to do."

Gravid as she was, uncomfortable as she was, she stood up and began to walk in shuffling steps, holding the squirming mass in her abdomen. Yes! The little voice that still remained of her rational thought yelled triumphantly. Call someone directly! Save yourself. You did what you wanted! Now get yourself home. If the beacon fails, you're here forever.

Step by step, fighting to keep her resolve strong against something she didn't really want to happen, she shuffled toward the tablet. The blinking SOS BROADCASTING message flashed over and over, growing in her mind like a beacon of its own. "I know... I know what I have to do," she whispered, strain in her voice. If she did it, her brood would be taken from her, her mind and thoughts would be her own again. She lifted the tablet from the floor, and held it in her hand, "I have to do it. I got what I wanted."

She turned the beacon off. She came so powerfully she fell to her knees. The little voice of resistance died. She was home.