Lab Rats - Part 2

Story by JackLupin on SoFurry

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#2 of Lab Rats


(Work work work work as of late, but I had a bit of time to whip this up tonight. Enjoy!)

I'm walkin' on sunshine, wooah, and don't it feel good!

Zack slowly made his way down the hallway, the large brown-furred lop-eared rabbit had a pair of small headphones sitting on top of his head with nearly two foot long ears pushed out of the way and dangling to either side. He stopped in each office along the way to quickly tie up the trash bag from each office and toss it onto a cart he was pushing along. His nose would twitch in the air a bit, not even noticing the strong heated feminine scent wafting down the corridor from behind a closed door at the end.

"Mm...mm?"

His ears perked slightly, thoughts wandering to slightly more arousing thoughts than the open field he had been imagining a moment before, shaking his head a few times and shrugging off the strange lustful intrusion into his mind. The rabbit would continue his work, the night-time janitor pushing his cart along before the little nose on his face gave another few wiggles...it almost smelled like honey in the air, or some other sort of sweet flower. He briefly wondered if the scientists were holding another office party, though he had only seen a few cars parked outside when he came in, and shrugged it off lightly. That scent only continued to grow slightly as he made his way down the hall, raising a paw to wipe his forehead of a few beads of sweat...hmm it wasn't that hot in here was it?

By the time he approached that last door the rabbit was panting slightly, he just wanted to be finished and get home at this point...already imagining the naughty things he would do to himself once there. Though those thoughts were almost instantly replaced when the door before him was opened. There on the floor, splayed out on her back and furiously fingering at herself was a rather plump white-furred female rat, heavy looking breasts jiggling around slowly against her chest with a veritable pool of clear juices and a strange thin white fluid mixed and swirled about the floor.

"Nggh...uggghhh fuck!!!"

Sandy screamed out, another splash of those juices squirting out along the carpet as her hips arched into the air and rocked slowly in circles. He couldn't look away, eyes locked on the rodent as lustful thoughts simply flooded his mind...blanking out from any logical reaction. Sandy smirked a bit, her eyes slowly opening once she had come down from her most recent orgasm...having lost count of just how many times she had forcefully squirted out onto the floor at this point. Raising her fingers up to her lips to clean them off she would slowly raise up to kneel on the floor, eyes shooting up to the male rabbit who had intruded on her.

Was she mad? Certainly not...with that lustful look in her eyes, beckoning him closer with that gaze alone. Zack obeyed her unspoken call as well, almost feeling as if invisible tendrils were wrapping around his arms and legs, causing the lapine to walk closer and breathe all the heavier, inhaling her heated scent like the most delicious aroma he had ever taken in to his sensitive nose. Of course, with the amount of her sexual fluids soaked into the carpet below...that scent would only intensify even further as he approached, a sick spiral of lust that he was rapidly drowning in.

"Well hello, and what have we here? A delicious bunny come to pay me a visit?"

She giggled lightly with her words, though they had a deeply seductive tone to them. Reaching up and pressing her paws lightly to the rabbit's hips, he stood shakily in place as he allowed that heated rodent to do anything she wanted, he had no objections as she slowly whipped off his belt and began to tug down the rather loose jeans he was wearing that evening. Pulled down to his ankles, next would come the boxers fitted rather tightly against his thickly muscled legs....the rabbit's only movement at this point was to pull his shoes off and step out of the clothing, leaving him only clad in a plain white t-shirt at this point.

No words had to be spoken between the two, that rabbit sinking down onto his knees next while the rodent slowly pushed her paws against his legs, trailing her nails gently up through his thick fur until those long slender fingers would slowly curl their way around his rapidly hardening length. She watched intently as he steadily hardened in front of her muzzle now, leaning forward to brush her nose against the head...moment later lapping a bead of leaking precum with the tip of her tongue.

"Very delicious indeed....I hope you enjoy this, my little bunny, because I know I will..."

She laughed almost menacingly, slowly shifting that paw up and down along his steadily hardening length, pumping and kissing the tip as he swelled between her fingers. Eight inches of thick bunnycock filled her palm before long, Sandy grinning widely as her lips slowly curled and suckled at that heated head a few times...pushing her muzzle forward again to engulf that shaft in her hot wet mouth.

Zack sat back on his knees, groaning into the air lightly as his hips rocked up and down slowly, causing a few inches of his length to push against her swirling tongue, the rodent's mouth suckling and tugging hungrily...as if she needed everything that was being offered to her. Half of that thick length was shoved into her mouth now, slender paw pumping and squeezing at the four inches still left outside of her mouth while turning her head to let the tip push into one of her cheeks. The taste of warm salty precum was ever so slight as she suckled...she needed more, so much more, unending amounts.

The rodent's eyes suddenly opened widely, leaning back off his length and arching her back slowly as a drizzle of thick juices gushed down along her sex and splashed to the floor, panting slightly and leaning forward again to engulf the entire length of that rabbitcock. Had she just cum without even touching herself? Oh yes, this was going to be quite fun indeed. Her motions increased in speed now, pulling her muzzle back to leave just the head of the rabbit's length in her mouth while clenching her paw along the length...pumping hard and fast before pushing her paw against the base of his shaft.

"Nnnggh....not so fast, can't..."

He groaned lightly, that bunny's arousal was quickly growing to a peak as the rodent expertly suckled and pumped along his length, one of her paws lifting up to tease and weigh his heavy nuts into her palm. Though she would be quite surprised when they did not seem to fully fit in one! The orange-sized seed-stuffed globes jostling slightly, burning hot to the touch and feeling quite heavy even for their size.

"Mmm..." she purred out, pulling off his length for a moment and panting heavily. "Give it to me, NOW!" she stated with a loud growl into the air, quickly shoving that thick length into her muzzle again...grinding down to the base with that thick tip poking against the back of her throat. The rodent's nose pushed and teased against his crotch, inhaling his scent deeply as she struggled slightly to breathe with that heated cock stuffing her mouth nice and deep. He didn't last long under that assault of pleasured ministrations, the rabbit raising his paws to Sandy's shoulders and squeezing tightly, rocking his hips in slow circles...though he couldn't go any deeper, she was already stuffed to the gills with his length.

"Ah...ahhh god!!!" the rabbit cried out, feeling his aching nuts clench up slowly and tighten under the assault, that entire cock spasming slightly inside Sandy's mouth before thick ropes of cum started to spray out against the back of her throat. She pulled her head back just a bit to let the thick gobs of seed gush against her tongue now, gulping down every few seconds as she smiled and murred against his length. 'Mmm, that's it bunny...give it all to momma...' she thought, words impossible at the moment due to her stuffed mouth. Though the moment lasted for all to short of a time, ten or so thick spurts of seed later the bunny was spent, collapsing back onto his bottom as he sat there in a pool of the rodent's own juices, being forced to lean back on his hands weakly.

Sandy sat up on her knees now, licking a few drops of that thick seed from the corner of her mouth before patting her plump stomach lightly. She was not done with the bunny yet though...oh no, not nearly. As she crawled closer the rodent would continue to smirk widely, mischievous growls floating through the air and filling the male's ears like sweet music.

"Now now, I hope you were not thinking that you're going to be done with me that easily..." she huffed slowly, wrapping an arm around his neck and pulling the panting rabbit's head down to mash against her chest. One of her thick, dribbling nipples dragged along his cheek as it left trails of thick creamy milk in his fur, soon reaching his lips where she would practically shove it between them! "Drink...drink my lovely little bunny..." she groaned out softly, using one of her paws to squeeze against her milk-bloated and heavy G-cup tit. Instantly the bunny would feel thin streams of warm fluid spraying against the back of his throat, slowly drizzling down into his stomach without even the need to swallow. A few moments later though he would definitely have to, every squeeze against her own chest the rodent was giving caused more of her thick warm milk to fill the male's mouth, coming out in droplets and larger streams as she teased at herself.

Before long the rabbit was having to swallow every so often, his mouth filling with that sweet creamy milk as he gulped it down hotly. Feelings of exhaustion were soon slowly melting away, closing his eyes in pleasure as slow warm spasms rushed up and down the bunny's spine. Though he barely had a moment to enjoy those feelings before being shoved onto his back, the rodent keeping her nipple stuffed in his mouth all the while...even as she straddled his body with knees on either side. She would continue to milk herself into the bunny's suckling muzzle, sweet cream filling his stomach slowly.

Her head tilted back as Sandy peered to the rabbit's lap now...yes all was going according to plan, the lapine's thick cock which had just erupted moments ago was already growing hard again, swelling into the air a full eight inches, nine inches, ten...eleven, twelve...

"Mmmm?" she thought, though the reaction was more one of lustful surprise than anything else. Higher and higher the rabbit's length grew, swelling out thicker before her eyes while he was fed more of that rodent's delicious milky cream. Still larger he grew before the rabbit was fully hardened, twice his previous length at sixteen inches now...at least. And my my, was he ever thick, so thick...so deliciously thick. The rodent's thoughts trailed off in a lustful haze, pushing her hips backward a bit as the thick nipple popped from that suckling bunny's maw.

Sandy turned slowly on his lap, her plump rear resting against his chest as she inspected her latest work...slowly trailing her fingertips up and down along his massive heated length, gobs of cum steadily drizzling down the fat length, running across the tremendous bulge of flesh resting on the floor between his legs. Oh my, had his balls grown that much bigger as well? She smirked widely as the rodent's muzzle leaned down to inspect them closer... What had once been oranges were now bigger than grapefruits, and even growing a bit larger while she watched on intently...giving one of those sensative orbs a gentle pat with her palm.

"Ok, I think...I've needed this all night...." she huffed out, whipping her long ropey tail through the air as the rodent rose up to her legs, her scented juices dribbling out from between her thighs and splashing to the bunny's chest below. It was just then that he got a clear view of his own massively swollen endowments...no wonder his lap felt so heavy! That towering length slowly bobbed back and forth as the rodent settled herself over top of him, wiggling her hips and letting the massive head nuzzle against her silky wet sex.

A loud groan of pleasure echoed through the room moments later...though it would have been hard to tell who it came from, perhaps both? The pair grunting and huffing in unison as the rat's juicy folds stretched and spread so widely to take the bunny's new swollen endowment inside her...wiggling her wide plump hips from side to side before that fat cockhead finally popped inside her. The moment that length entered the rodent's heated tunnel it would begin to spit and drool heavy ropes of precum against her walls, coating her insides with a slick sheen of slippery seed...making that tight clenching journey all the easier and more pleasurable.

Sandy's hips rolled slowly as her plump rear was pushed back and down, letting her weight help to shove herself down along that heated cock readily stuffing itself inside her. Thick feminine juices slowly trickled down along the bunny's towering length with every movement she made, mixing with his own leaking pre to form a slick mixture of sexual arousal that he could feel drizzling down along his own thighs. The rodent raised a paw up to rest against her belly, grunting slightly while she took in more and more...a bit more than half of that thick length shoved inside her before whimpering at the intensity of reaching the tight little seal to her overly heated womb.

"Grr...fuck, deeper. Nnggh...." she huffed, raising both paws up to her heavy breasts and squeezing those plump spheres into her palms tightly, mashing them together and tugging her own heated nipples tightly. A surge of pleasure filled her body as her eyes clenched shut, feeling her sex spasm wildly around the tremendous cock stuffing itself inside her. At that moment her legs clenched a bit and she pushed back hard, feeling the fat cockhead so deep inside her rapidly shoving past the tight little seal to her womb, causing her plump bottom to ram itself all the way onto the lapine's stomach...fully hilted and shoved into her most heated depths.

There she would sit for a full thirty seconds, letting the heated spasms of lust course their way up and down along her body, simply twisting those wide hips back and forth before finally releasing those heavy globes from her grasp. Slowly the rodent would raise her hips, pulling herself halfway along the pulsing veiny cock before ramming herself back down onto the rabbit's crotch. Zack's paws slowly raised up into the air, resting against her hips with those movements, working to steady the rodent and help her to pound back against him all the harder. That lust-filled lapine was merely along for the ride at this point, so overwhelmed with pleasure that he could barely move...let alone think or form any coherent thoughts.

The lapine gnashed his teeth at the intense pleasure, slowly bucking his hips to push up against Sandy with every powerful thrust pushing down against his form. Loud, wet slurping and squelching noises filled the office as that puddle of juices around them grew slightly, Zack's fur soaking wet from his crotch outward. And then it would hit, the single most intense feeling to ever shoot through the rabbit's lust-filled body.

"Unggh....ohh god. Fuck, fuckkkkk!!!" he screamed out loudly into the air, straining his lungs in pleasure as the lapine's entire body clenched tightly. His tremendously swollen balls began to throb and pulse wildly as they pushed out against his thighs, giving a last second surge of growth before he nearly blacked out in lust-filled heat.

Moments later Sandy's own paws flew down to her belly, clutching tightly as she felt an immense pressure jetting against her insides, thick ropes of heated cum erupting and flood into her opened and cock-stuffed womb. Every stream of heated seed felt even bigger than the last, spraying along her walls and pooling in the back of her hungry insides. Slowly her paws would rub in circles, the rodent's belly taking in every drop of seed that would offer...ten, twenty spurts of delicious seed gushing against her insides...and still more would continue to rush inside. The rodent's eyes rolled around in her head at that intense lust, insides bloating and swelling with so much of that thick hot bunnycum.

"God...so much..." she shivered, thick mixed essence foaming and bubbling from around her now very messy sex, coating the rabbit's swollen nuts in a sheen of thick white seed...soaking into his fur and dribbling to the floor as that pool of juices grew around them. The rodent's belly continued to fill with more and more seed...that tremendous eruption taking more than a handful of minutes to die down. By the time it was over, Sandy had been left quite stuffed...fingers trailing along her belly which made the plump little rat look about seven months pregnant, thick seed swirling around inside her bloated and strained womb.

She peered back with a little grin, the rabbit's eyes rolled back into his head as those large floppy ears lay against the ground...breathing lightly and quite passed out from the overwhelming experience he had been put through.

"Fuck...nnggh...." Sandy huffed, flexing her legs and slowly working to pull herself off that massive cock still stuffed deep inside her, feeling the length slide out easily due to the slickness of her heated walls. Just a bit of that slick mixture would escape when her sex popped off the bunny's fat cockhead, most held inside by that tightly re-sealed entrance to her womb. The rodent would grin widely...her fingers strumming across the top of her swollen stomach as small shocks of pleasure ran along her spine with every touch. Slowly, she would wander over to her large computer chair, flopping back into it and closing her eyes...slowly drifting off to sleep as well, exhausted and weak from the experience.

As the rodent slept in the chair, arms wrapped around that newly swollen belly...heat would course through her body, giving Sandy the most wild lust-filled dreams she had ever experienced. Every few minutes her belly would shift slowly, pushing out against her arms...swelling another inch into the air. And another, and another...and another...

To be continued! ^_^