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A mouse and an alien

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Dora, a short mouse futanari and space captain, is exploring the outer reaches of space and lands upon an alien planet. She leaves her ship and explores the planet, collecting samples and data, then returns to her craft. Onboard an alien being lies in wait, a dangerous predator that would normally kill and eat her kind. Instead of eating her, it instead shows interest in her, and she in return understands its desire and coaxes it into a night of passionate lovemaking. However, as the alien claims the mouse, she finds her sexual organs fading in favor of her anus becoming larger, plumper, and more fuckable.

Chapter 1: Introduction

Dora loved exploring, but she hated touchdowns. The turbulence, the shaking, the noise: it gave her such a headache.

She clutched the control panel as her spacecraft, aptly named The Mouse Trap, descended towards the glittering blue planet below. Blue. Such an ordinary name for a planet that promised anything but ordinariness.

“Just another rock in the galaxy, my ass,” she muttered, glancing at the scanner readings. The planet's core was a pulsating ball of intense heat, and the surface was peppered with crystalline formations that refracted light into a kaleidoscope of colors. Dora loved colors. She especially loved the deep purples and blues.

Something about those colors made her think of long-forgotten treats from her home planet, like the blueberry pies her mother used to bake. But this was no home, and she had no mother here. Just this aching curiosity that drove her to reach out for the unknown, like a cat pawing at a string.

The planet's surface was a dreamscape of shimmering blue crystals, which seemed to hum with an ethereal energy. Unfamiliar, vibrant flora sprouted in irregular patterns, bewildering Dora's practiced eye.

The air was heavy with an alien scent that she couldn't quite place—a cross between ozone and the salt tang of an ancient earthy sea. She took a moment to appreciate the vista, her tail swishing lazily behind her in the captain's chair.

"Alright, Dora, get your act together," she chided herself, breaking away from the sight. "You’re here to work, not gawk."

She stood, the ship automatically leveling out as soon as she was clear of the controls. Her boots clattered against the cold metal floor as she made her way to the airlock.

With a hiss, it opened, revealing a landscape bathed in hues of red, orange, and purple—the sky a swirling vortex that was both beautiful and unsettling. Her heart fluttered with a mix of excitement and nervousness. This was new, and danger lurked in the unknown. Yet, that was what made her job thrilling.

She grasped her sampling kit, a bizarre contraption that resembled an ancient vacuum cleaner more than anything else, and set off. Her gaze swept over the crystalline landscape, eyes reflecting the kaleidoscope of colors like a bizarre alien gemstone.

Extracting samples was methodical work—sucking up soil, scanning plants, and documenting everything with meticulous detail. She could practically feel her fur stand on end, prickling with excitement and anticipation. But as much as she loved the thrill of exploration, a part of her couldn’t help but worry.

This place felt... different. Off the beaten path, truly the outer reaches of the universe. She wasn't just some tourist snapping holo-pics. She was a data collector, a curious scientist seeking to understand the universe one planet at a time.

As she carefully gathered her final sample, a tiny, glowing spore that floated through the air, Dora felt a sudden chill. It was like the weather had shifted, but the swirling lights in the sky showed no sign of a storm. She paused, her ears twitching, and scanned the surroundings. Nothing moved except for the dance of colors overhead.

It was then that she heard thunder in the distance, and her ship send her an alarm. "Oh cheese, looks like this planet has some fast moving storms, huh? Guess I'll have to find a cave to hunker down in while it passes." She mutters to herself.

She's no stranger to sudden weather shifts, but she also knows when to hunker down and wait it out. Dora hurriedly stowed her samples into the storage compartment inside her spacesuit, sealed the lid, and jogged over towards a cave. Calling it a cave was generous, as it was more of a rocky ridge that hung over some shiny yellow moss, but it was good enough to keep safe from some rain.

Dora ducked inside and scanned the area again to make sure she was really alone. When she was positive she was safe she sat down on a small rock, spreading her legs out as the fast-moving storm ripped through. The rain was harsh and heavy, and the roar of it drowned out everything else. With some time to spare, she decided to access her data pad and read some of the sample data.

"Wow! This planet's plants are so cool! Too bad everything edible had radioactive particles in it." Dora sighed, leaning her head against the damp cave wall. She had collected some fascinating data, but she was hungry and slightly annoyed that her stomach was allocating all of her blood supply away from her brain.

Well, it wasn't the only thing taking up her blood supply. The familiar bulge in her pants was shifting again, growing tight and tenting her space suit.

She swore internally, a low growl rumbling in her throat. "Not now... ugh, why do I get a boner in the strangest of places?" She wondered aloud, reaching for the zipper of her suit. With a swipe of her hand her suit popped open, revealing her growing cock beneath her underwear. She groaned, wrapping her tiny hand around it. Despite the throbbing in her cock, she knew she had to get her trousers down. Dora’s slender, agile fingers worked at her trousers until they were just low enough to free her eager cock from its confines.

The rain outside continued to pour, the sound a steady rhythm that drowned out the world. It drowned out everything except the sound of her fucking own, greedy hand around her cock. She bit her lip, head tilting back as she fucked her fist.

Her tail swished, the movement automatic and instinctive, a sign of her growing arousal. Her small body shivered with pleasure, her breaths coming in short, sharp gasps. The air in the cave was warm and humid, her space suit damp with sweat and rain.

She could feel her cock throbbing in her hand, the tip already leaking pre-cum. Dora loved the feeling of it, slick and hot. She was fucking fantastic at setting her own rhythm, pulling her hand up to twist around the head, before slamming back down. She could feel her balls tightening, her breathing growing more desperate.

Every time she looked down, the sight of her cock—pink, engorged, and hugely erect—only served to turn her on more. She rubbed her thumb against the head, spreading the pre-cum around, using it as a makeshift lube.

She stroked faster, harder, chasing her orgasm fast and hard as her nuts grew tight to her crotch. She bit her fist as cum began to force its way out of her cock, firing in ling, silvery arcs to splatter into the yellow moss.

It was fast and intense, her whole body jolting with each spurt. Her hips pumped, her cock bucked in her fist, her breath came in quick, desperate pants.

"Damn... that should be enough for now." She sighed, tucking her softening cock back into her suit. The rain was about to pass and grant her passage back to her ship, but she had to close her suit up first. She zipped her suit up and shouldered her bag, then noticed that her hand was still sticky from her solo session. Since she was alone and no one was there to judge her, she decided to lick it clean as she walked back towards her ship.

The taste of her own cum was a familiar, comforting flavor, a small rebellion against the sterile routines of space travel.

As she emerged from the cave, she noticed that the rain had stopped and the sky had calmed to a peaceful mix of swirling reds and oranges. Her ship, the Mouse Trap, stood untouched among the alien flora, its lights blinking softly, almost teasingly.

Making her way towards it, she felt a strange, unsettling sensation on her back. She turned around, scanning the area, but didn't see anything out of the ordinary. When she looked back to her ship she noticed that the cargo ramp was open now, which was odd since she thought she had closed it on her way out.

Approaching the ramp, she checked the ramp for any footprints leading up, but only saw her own from when she disembarked. She sighed and rubbed at her fore head, frustrated with how jumpy she was. "I should just program the ramp to close after me. This is the fifth time I've done this, you'd think I would have learned by now." Dora sighed, shaking her head as she stepped onto the ramp. Her boots echoed loudly through the empty cargo hold, bouncing off the cold metal walls.

As she made her way towards the main cabin, she could have sworn she heard something. A soft scraping sound, like metal on metal. She stopped in her tracks, her ears twitching as she listened, her heart pounding in her chest.

"Hello?" she called out, her voice echoing through the ship. No response. She sighed, shaking her head. "Okay, no more horror movies for me. Ship, turn on all the lights and seal the cargo hold, please."

The ship complied, the cargo ramp rumbling back up and the lights all humming to life. Once everything was closed up and illuminated she let out a sigh, setting her gear down and stripping out of her space suit. "Ship, can you get started on some prefab lasagna for me? Just get it primed for print, I'll get it later."

The ship chimed in reply, doing as it was asked. With a sigh, Dora left the equipment dock and went to her cabin, intent on taking a shower to calm her nerves. Before getting there, she stopped by the mirror on the wall and gave herself a look over. Dora was lucky that she had inherited more features from her mom's side, as who could resist thick thighs, wide hips, and a pair of bouncy breasts framed by a thin torso? She puckered her lips, blowing a kiss at her reflection. "Not bad for a 30-year-old futa mouse, huh?" She turned away, chuckling to herself as she strode to her cabin bathroom.

The shower relieved her remaining tension, and after toweling off, she wrapped herself in a cozy robe. Her stomach rumbled—still refusing to acknowledge the bizarre situation earlier—so she padded to the kitchen in search of her primed lasagna. Finding the dish warm and ready in the food unit, she didn't bother with serving utensils, knowing that her ravenous apatite made a family meal into a one mouse lunch. She took her food, sat down, and practically inhaled it.

Full, clean, and now growing aroused once again, she grumbled and marched off to her room to go sit at her desk and jerk off to some holo porn like she usually did.

But as she walked down the corridor towards her room, she felt an unfamiliar, yet unmistakable, presence. It was a curious, almost sensual sensation that sent a shiver down her spine, unlike anything she had felt before.

She paused, her ears twitching, sensing that something, or someone, was watching her. She turned slowly, her small frame tight with anticipation and fear. And then she saw it—something large, tall, and alien. It stood eerily still in the corridor, nearly blending in with the dark shadows unless one knew where to look.

Her heart pounded, and she could feel her body go hot and cold simultaneously. The lean form, the silver and blue carapace, the single black eye: there was no doubt about it, there was a Reaper on her ship!

A creature known universally for its predatory nature and bloodthirsty tendencies.

Dora stared, frozen in shock and fear. Her mind screamed to run, but her body refused to obey. She had studied the creatures, their history, their mannerisms. They were aliens that relied on scent and movement—she was fawn, a tiny creature dripping with pheromones, and a mouse in a robe, she stood out like a neon sign in the darkness.

The alien predator stepped out of the shadows, towering over her. Its eye, a large black orb, glistened in the dim light of the corridor, studying her every move.

Its body glinted with hard plates of blue and silver, the sharp edges jagged and lethal. The Predator seemed to loom over her, a mountain of muscle and danger, emanating a tangible aura of power and menace.

Dora knew she should run, hide, anything. The Reapers were notoriously savage, and their curiosity often ended in bloodshed. She stood rooted to the spot, her heart pounding like a drum in her chest as she struggled to breathe. Her body gave out, her legs becoming jelly and her arms instinctively covering her head as she let out a terrified squeak.

She knew she was going to die, shredded and mauled into a nasty red mess, but all she could do was cower and pray that she would at least die swiftly. She shivered and muttered prayers to her gods for a minute straight, ready for it all to end at any moment. Next to her came the sound of heavy footsteps, a growl of pure predatory rage, then the feeling of hot breath on her. This was it! It was about to strike!

Then something odd happened. The feeling of the beast looming behind her vanished, and instead there came the joyous jingle of her food replicator going off. She opened her eyes and looked around, seeing that she was alone while the hum of her kitchen appliances filled the air. She dared to peek into the room to see what was going on, only to find the beast, the man eating monster, was using her kitchen to make itself a bowl of fried rice and tofu. She was utterly stunned as she watched the behemoth creature take the bowl from the replicator, shoot a glance her way, then slowly shovel the vegetarian meal into its maw while maintaining eye contact.

"No way." She muttered to herself, wondering if what she was seeing was real. The most dangerous predator in this quadrant, eating rice and tofu in her kitchen.

The absurdity of the situation hit Dora like a truckload of bricks. She squeaked, her mind racing as she tried to process what was happening. Was it trying to show it meant no harm and wouldn't eat her by consuming non-meat foods? Was this some bizarre intimidation tactic? She was uncertain, and yet, there it was, putting down the bowl and taking a cup of mineral water to wash it down.

She watched in utter shock as it not only showed signs of intelligence and even manners, but then put the dishes into the autocleaner before moving towards the door. Towards her. She panicked again, stumbling backwards at it got closer to the doorway. It stopped just at the bulkhead, crouching down by the door with its single black eye resting on her with no murderous intent behind it.

While she stared at it with fear and apprehension, the beast stared back with equal patience. Something about its stance, the slow and deliberate movements, even its muted presence made her feel as though this was a person in the room with her and not a monster. If that was true, then maybe she can communicate with it.

"H-hello?" She asked, her voice wavering as she spoke.

The creature stared back at her without speaking, but lowered its head briefly in response.

Dora gasped, putting a hand to her mouth as the creature blinked at her. "You... you understand me?"

The Reaper nodded twice, tapping its chest with a sharp claw.

"I don't believe it. You can understand me... and you're not attacking me... does this mean you're not here to hurt me?"

Another nod followed with the creature raising its hands in surrender.

"Incredible!" She exclaimed, involuntarily taking a step closer. "So... wait, if you're not here to hurt me, what are you here for?"

The creature blinks a few times, then shrugs its shoulders. It points to the food replicator, then to the bathroom before waving and making little legs with its fingers walking on top of its palm.

"You... came here for tofu, my bathroom, then you were going to leave?" She inquired, moving even closer.

The creature averts its gaze, making a grumbling sound as it scratches its chin. The black orb of its eye trails down Dora's body before it mutters some more, seemingly awkward as the mouse gets closer.

Dora, confused, gets even closer, looking the beast over as she tries to interpret it's intent. "You don't know? Does that mean you came in here for that and... you were hoping to get out of here before I got back?"

It nods, casting its gaze downwards in shame.

"But now that I'm here and I closed the door, your plan failed, huh?" She wonders, getting so close that she's within arm's reach. "What are you going to do now?"

The creature blinks and looks around, it's eyes locking onto the body of the almost naked mouse woman. It ogles her breasts and stares transfixed at her curvy body, a droplet of drool escaping its mouth.

Dora tilts her head and looks where it is looking, realizing that this lien monster is getting an eyefull of her. She is at first alarmed by this thought, but for some reason she also feels flattered, even a bit turned on.

Maybe it was the thrill of danger, the adrenaline still pumping in her veins. She was never one to shy away from unusual encounters, after all.

Dora raised an eyebrow, tilting her head as she gauged the situation. "You like what you see?" she asked, her voice playful and taunting.

The alien expression did not change, but his focus on her was undeniable, and a slight color change on its skin seemed to confirm her words. It grew a shade darker, almost like a blush.

Dora felt a strange thrill at the thought of this deadly alien finding her attractive. She was never one to shy away from danger or the unknown, and this was certainly both.

“You’re not what I expected.” Dora's voice was low, her heart pounding in her chest. She had fought off pirates and explored dangerous sectors before, but this was new territory, and she was both exhilarated and terrified.

The Predator tapped its chest again, clearly pointing to itself before miming a head shake and holding up two fingers in an awkward peace sign. It then gestured towards Dora before making the ‘peace’ sign again with a questioning tilt of its head.

Dora mirrored the gesture, chuckling softly. "You want peace with me, is that it? Don't worry, I'm not going to hurt you. You're different from what I've heard of your kind: nicer. It's amazing, and it undermines everything I thought I knew about your kind."

The creature, obviously taking it as a compliment, gives her a toothy grin and a strange guttural giggle. It touches the corners of its mouth and makes a fake smile with its face, expressing its joy through mimicry.

The mouse laughs as she gently places a hand on the creature's thigh, pointing her thumb back towards her room. "Hey, do you want to sit down and chat some more in my room? Maybe get to know each other a little more?"

The creature is caught off guard, but immediately nods along eagerly.

Dora smiles, guiding the behemoth with a hand on its thick thigh, leading it down the corridor. The Reaper follows dutifully, managing to duck its head beneath the low ceiling at the last second.

“So, first things first: what should I call you?" She asks, inviting it to sit down with her.

The Reaper practically spills into the seat Dora had indicated, getting comfortable as it hums in thought. Slowly, carefully, it growls out a name. "Ko... la... Ko... la..."

The mouse raises an eyebrow, staring at the creature in disbelief. "Your name is... Kola?"

The creature nods vigorously, its black eye shimmering with glee.

Dora can't help but raise an eyebrow, a small laugh escaping her lips. "Kola? Really? Well, Kola, it's nice to meet you."

She extends a hand for them to shake, an old-fashioned gesture from her home planet. Kola looks at her hand in confusion for a moment before grasping it gently and giving it a shake, its motions careful and precise.

Dora chuckles, "So, Kola, are you alone here, or are there others?"

The alien shakes its head, raising just one finger and pointing to itself.

The mouse frowns, pulling her knees together. "Alone, huh? I'm sorry to hear that."

Kola waves its hands and wiggles uncomfortably, making the smile gesture again as it tries to speak. "Ko... la... good... Ko... la... good."

Dora is surprised by its response, but remains cordial. "I see, well that's good. So... a vegetarian being like yourself, alone on this planet, surrounded by radioactive fruits and veggies... what is it you do here?"

The creature thinks for a moment, then pantomimes out three answers. It opens its mouth, makes a plucking motion in the air, and tosses an imaginary fruit into its mouth. It then places its head on its hand, covers one eye, and makes exaggerated breathing sounds. Its third answer is strange, in that it reaches down, grips an imaginary object, and moves its hand up and down in a way Dora immediately recognizes.

Dora, in disbelief, asks for clarification. "So all you do, day in and day out, is eat, sleep, beat your meat? Wait, does this also mean you're a guy?"

Kola nods in confirmation, smiling at her happily as it takes in deep breaths of her scent.

Incredulous, Dora considers this creature's form. It is large, muscular, covered in armored plates and bears sharp claws and fangs. Despite this, she can see that the creature's underside is soft, and even the area where its penis should be seems to be some form of cameltoe-shaped sheath that must be hiding its sexual organs. She knows from her textbooks of old that these creatures aren't supposed to have genitals, reproducing through a complex form of cloning.

Yet here Kola was, proudly claiming that it jacked off every day. Perhaps the planet has changed the creature, or he is some form of variant, she wonders. Regardless, this entire situation worked in her favor, as her adventure seeking heart was racing now. Kola, a big, strong alien, and her, a delicate and extremely horny mouse: they could do such wonderful things together.

She felt the heat rising within her, her body pulsing with new desires as she eyed him up and down.

"So.... you..." She licked her lips, breath hitching as she glanced at his hidden package. "You jerk off all the time... does that mean you want to mate with something?" Dora asked curiously, her voice dropping to a sultry purr. She watched Kola carefully, gauging its reaction.

Kola leaned back, its lone eye darting around the room before settling on her again. It seemed to consider the question for a moment, then nodded slowly.

Dora's heart leaped. "Would you like that? With me?" she breathed, her body temperature rising as anticipation coursed through her veins.

Kola seemed to hesitate, looking around the room again before its gaze settled on Dora. It nodded, the unmistakable glow of a blush appearing on its cheeks.

It pointed at Dora, its clawed fingers tracing the curve of her body, lingering on her thighs, her breasts, and finally, the hint of her cock pressing against her robe.

Dora felt a shiver of anticipation, her blood pounding in her ears. She leaned back against the armrest, her robe falling open to reveal her soft body. "I can't say I've ever done this with something like you before." She admitted, her tongue darting out to wet her lips. She watched as Kola tracked the movement, its eyes darkening with desire.

It raised its arms slowly, reaching for her as if afraid it might startle her away. Dora lifted her hand and beckoned the creature closer. A low rumble echoed through the room as Kola stood, towering over her. It moved awkwardly, clearly unused to the confines of the small space. Dora stood, letting her robe slip off her shoulders, pooling at her feet.

She was naked now, every inch of her small, fragile frame exposed to the alien's gaze. Her cock was already semi-hard, twitching with anticipation. She was ready for this, no matter what this creature had hidden away.

She whispered, "Come on, big boy. Show me what you've got."

Kola stood there motionless, grunting as its hips thrusted forwards. Its slit-like orifice twitched and oozed a slick pink liquid, its groin throbbing and bulging as something began to emerge.

Dora's eyes widened in surprise and excitement, her breath hitched as she watched the creature's member come into full view.

It was thick, dark, and veiny, easily the length of her forearm. The sight of it made her cock throb with desire, her own juices beginning to leak from her tip and drip onto the floor.

The Reaper's cock was unlike any she had ever seen. the head was flat, blunted, and covered in round bumps. The shaft was covered in pulsating ridges and rings of bulging tissue, the entire length looking like an expertly crafted dildo made for the most intense stimulation. Then, from the sheath it came from, four gigantic orbs dropped down to dangle beneath its shaft.

Dora gasped silently in awe, her eyes cast upwards as the creature's balls hung almost to its knees. The massive sacs, glistening with moisture, swayed with every movement of its hips, the heavy scent of precum filling the room.

"Fuck..." Dora whispered, her hand reaching up and gripping onto the alien's massive cock. Her tiny fingers couldn't even wrap totally around its girth, but she could still feel its heat, its pulsing, its life—realizing the Reaper was even harder than she had been expecting. Her excitement only grew with every throb of the massive cock against her palm.

She let go, her grip slipping off the slick shaft as her hand snaked down to lightly brush against the low hanging balls. They were so massive, so heavy, and yet somehow so soft. Dora grew even more aroused, her cock throbbing against her thigh, precum dripping from the tip.

She gazed up at Kola, her eyes filled with lust and curiosity. She couldn't wait any longer. Dora wanted—no, needed—to know what that colossal cock felt like inside her. She was going to take this beast, even if it broke her.

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