Rebecca and Brianna's Unbirth Adventure

submitted by little_bri - Apr 11, 2005

Here's a story created from a roleplay that Becca and I did a little while ago. There is some "naughtyness" in it, so be forewarned.


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Rebecca and Brianna's Unbirth Adventure

It was a warm, sunny Saturday afternoon in Wilson Park. People were out running, playing frisbee, walking their dogs... all told, a typical weekend afternoon. And so it was, Brianna Morgan set out searching for a little fun. She was feeling her urge... a strange, almost predatory, drive... consider it a mystic corruption of the maternal instinct. In her lightweight pink and gray jogging suit, she strolled the park in her quest. And it was on this beautiful afternoon, she found her perfect prey.

On a wide, stretched out towel Rebecca Davis lay on her belly sunning herself and reading a book. Clad in a string bikini top and cut-off shorts, she was attractive, toned, and had all the subtle earmarks of a new arrival to town. In short, for Brianna, she was perfect. So engulfed in her book, Becca wasn't giving much attention to her surroundings as Brianna approached.

"Well hello there," she said with a smile, standing next to and looking down at her prey.

"Oh," replied the red-head, looking up as she took off her sunglasses, "Hi."

"Great day for catching some sun isn't it?"

"Well yeah," she said, pausing awkwardly. "Besides," she continued, "I'm kinda new here, so I haven't found much else to do. I'm Rebecca."

"I'm Brianna," responded the standing brunette with a smile. "I kinda thought you looked a little lonely and could use someone to chat with," she said with a soft chuckle as she knelt down on the towel next to her.

"Actually, I'm really glad to meet you," Becca replied as she moved up to her knees, smiling at the other girl. "I'm always happy to meet new people," she said, looking over Brianna with perhaps a little more than casual interest.

"Well," Brianna said as she stood up and offered her hand to Rebecca, "if you don't have anything better to do maybe I can offer you something to drink at my place?"

The red-head accepted the offer with an easy smile. Holding Brianna's hand gently as she rose to her feet. Brianna, finally breaking the touch, made a point of sliding her fingers slowly across Rebecca's hand as their digits untangled.

Rebecca, almost level with her new friend as they both stood, blinked quickly unsure if the caress was a signal or merely a trick of manual convenience. Sensing the hesitation, Brianna ran her tongue slowly over her lips and smiled in a subtle, yet inviting fashion. Rebecca couldn't help but blush and nod, acknowledging the signals from her new companion.

"Yeah, a little something to drink sounds perfect," chimed up Rebecca, as she gathered up her things. "This is strange," she thought, "but a welcome diversion for the afternoon." Looking over at the brunette, "and perhaps.... longer," she considered with a knowing smile as Brianna lead the red-head to her townhouse, just a couple blocks away from edge of the park.

Once inside, the living room was surprisingly open. A large soft couch was perched in front of a picture window. The bright midday sun was muted and softly struggling through the heavy velvet drapery, giving the room an almost candle lit ambiance, despite the two 50 watt lamps in the corners.

"So Rebecca," asked Brianna, "how about tea? I have a nice raspberry ice tea in the fridge."

"Oh sure," responded Rebecca, "whatever you've got. And you can call me Becca."

Brianna smiled and nodded to her guest and with a motion of her hand guided the lovely girl to the lavish couch. "Well Becca," she said, "you get cozy here and I'll be back in a minute with the tea."

Taking her hostess' direction, Rebecca settled comfortably onto the couch. Slipping her sandals off and tucking her long legs under herself as she sat, she looked around the room awaiting Brianna's return.

In the kitchen, Brianna prepared two tall glasses of iced tea as she smiled giddilly to herself. So pleased that, when the time was upon her, she still had that disarming something about herself that made others so open and trusting. Once both glasses were filled she paused to add a small dose of a thick, milky liquid to one of the glasses. Stirring it until it was no longer visible in the cool amber tea.

Returning to the living room, she smiles innocently as she hands the tainted glass to her guest.

"Oh, thank you Brianna," smiled Becca, stirring the drink for a moment before taking a long deep drink from the cool glass. "Mmmmm, that's good," she states, smiling broadly. "I like it."

"You can call me Bri," the brunette replies, nodding as she sips from her own glass. Bri intently watches the cute redhead for any signs that her plans might be falling apart. Becca can't help but notice her hostess' intense gaze. She smiles back, wondering if the seductive brunette likes what she sees, or if she'd been misreading her the whole time.

For a few moments, they simply glance back and forth with playful and disarming smiles to each other. Trading inviting winks like the quick strikes of skilled fencers, mixed with the occasional giggle and blush. Finally, after several moments, Becca breaks the dual.

"Are... uh....." she finds herself for a moment unable to look directly at Bri as she struggles, slightly uncomfortable to actually ask a question like this. "Are you liking what you... you know, what your seeing?"

Far from disturbed as Becca had begun to fear, Bri tilts her head to the side and gives a very disarming smile at the nervous girl. "Yes," she responds, giving the alluring red-head another long look, "actually, I am."

A mix of relief and awkwardness wove its way through Becca's psyche. "Oh good... ummm... I guess, " she uneasily replied.

Bri found herself unable to suppress a giggle at the budding nervousness in her new friend. "I'm sorry," she sighed, "I didn't mean to make you uncomfortable Becca."

"No, it's ok," Rebecca replied, With a soft smile. "I was just thinking, maybe I was reading something into..."

With a carefully scripted shyness, "Perhaps you were", Brianna tells her.

Becca smiles softly at the response. "Maybe this won't be a wasted weekend after all," she says under her breath, trying not to be heard.

Brianna smiles widely as she hears the muttered comment, and pats the spot next to her on the large, soft couch.

Becca gets up and walks slowly over to the couch, playfully swaying her hips as she goes. She sits herself near the seductive brunette, fearing she might scare her off if she sits too close.

Bri struggles to contain her giggling as Becca takes another sip of the tainted tea. Making sure to put the red-head at ease, she reaches out and gently rubs the nervous girl's knee. Becca reaches out and takes the hand on her knee and touches it softly, encouragingly. When her hand is met with a soft sigh and a grin of appreciation, Becca moves her soft caress slowly up the brunette's arm and begins to slowly rub her elbow. Brianna moves a bit closer into Becca's touch, leaning forward slowly and becoming aware Becca is leaning in to meet her too.

Becca's hand drifts further up Bri's arm, reaching her shoulder. Finally, their lips brush across each other, forming a soft, tentative kiss. Bri sighs softly as Becca pulls back and smiles.

"So," she whispers, "you ARE interested." Sighing with a slight shudder, Becca continues, "You seem to have a way with me making me tingle all over."

Brianna smiles the secretive smile of the one who know things their partner would find good to know, but doesn't. With another seductive smile, Bri presses her lips to Becca's, resuming their kiss.

As she returns Brianna's kisses softly, Becca feels her fingers trembling over the soft planes of Bri's breasts. "Would you be mad if I touched you?" she asks, whispering with hesitation.

Bri smiles at her. "Not at all honey," she replies, her hand slipping up to cup Becca's smaller breasts to show her approval. Her thumb playfully teasing Becca's nipple.

The aroused redhead easily takes the hint, running soft circles around Bri's breast through the soft, satiny material of her top. A short while later, Becca slides the zipper on the brunette's jogging top down, lowering it to just below her full breasts. Slipping her hand inside as Brianna continues likewise, each other exploring thier new companion's breasts. As Bri is cupping her small breasts, Becca is assailed with a feeling that something is not right. Too enrapt in the wonderful sensations being elicited by her lover, she quickly shrugs it off.

Bri pulls back, smiling a little shyly as she gently pulls Becca's hand from her chest. "Let me make this a bit easier, ok?" she says with a confident smile as she slips off the pink and gray jogging jacket. Underneath is a black babydoll t-shirt which soon follows the jacket to the floor. The brunette's firm C-cup breasts held snuggly in place by a blue satin sport bra. Becca smiles and nods in appreciation as the bra also goes the way of the rest. Brianna's breasts jiggling merrily once freed of the constraining bra.

Still smiling, Becca leans in and gently pinches Bri's stiff right nipple, then lowering her lips to lick the left. As the red-head's lips and playful tongue come in contact, Bri lets out a gasp, then a soft sigh. The brunette's head rolls back and gentle purrs escape her throat, plainly telling Becca to continue. Her lips float softly over Brianna's chest, exploring the full range... down her belly and across her entire bosom. Bri's hand strokes Becca's soft blonde locks and slowly coaxes her head back up from her tender belly.

"Here baby," she sighs, guiding her new lover's lips tenderly over her breast and back onto the nipple. True to expectations, the small amount of milk slipped in her tea was subconciously guiding Rebecca. A few quick flicks of the tounge and a gentle playful nibble, then without thinking she began to suck slowly on the pert teat.

The red-head suckles contently for a several placid moments, her hand slowly wandering the gentle hill of Bri's other breast and making slow forays across the soft belly. She begins to pull back briefly, puzzled with a warm, sweet taste in her mouth. The weak enchantment on her mind slipping for a moment, "was that... breast milk??" she ponders.

Leaning forward and kissing the auburn locks softly, Bri simply whispers in her ear, "it's alright baby... It's alright."

The soothing voice and the slow massage of her neck by the brunette's hand dispells her minor trepidation. She finds herself easily guided back into her tender ministrations on Brianna's nipple. The soft tingling rippling a little stronger over her body as she assimilates the sweet nectar. As Rebecca purrs softly, hungrily suckling at Bri's nipple, her hand slides gracefully from the other breast and down the brunette's side to caress her hips.

Brianna sighs and moans softly to herself, reaching up to cup Becca's breast again. She was reveling in anticipation, noticing her lover's bikini top was a bit looser on her than when she first arrived. Becca herself was happily playing with her lover's chest. Though she did find it a little strange when Bri's hand slipped so easily inside her top. She reluctantly tore her attention from the delicious breast before her and glanced down at her chest. For a moment she was confused as it looked looser, but soon shrugged it off figuring the ties must have started to come undone. Distracted again by Brianna's attentions, she decided this was definitely not the time to worry about fixing them.

"Is something wrong hon?" Brianna asks with a playful pinch of Becca's nipple.

"Wha?" the blonde begins to respond, bringing her gaze back up to past the soft jiggling flesh before her. "Oh... no... nothing wrong," she continued. "Just feels like my top's getting loose thats all." Then playfully adding, "That's not a problem is it?"

"Oh," Bri responded with a knowing smile, stroking Rebecca's soft hair and giving her a quick kiss. Then, with a gentle hand to the back of the girl's head, she guides Becca's mouth back towards her nipple.

"It's not a problem at all," Brianna adds with a laugh in her voice, "I expected it to."

Rebecca paused for a moment, a questioning "huh?" slipping up from her throat.

"Nothing Baby. Nothing to worry about."

As Becca resumes suckling from Bri's nipple, amazed by the sweet taste,and tingling pleasure of the milk spitting forth. Becca's hand started at her hip and began to explore, cupping her soft rump along the couch. Brianna was brimming with scarcely contained excitement, seeing the other girl loose a little bit of softness along her belly, getting back the muscle tone she'd lost since high school, her breasts hanging looser in the bikini top. She guessed the lovely red-head had slipped to about eighteen years of age at the oldest.

Becca teased Bri's breast with one hand while the other traced along the waistband of the brunette's jogging pants, then slowly slipping inside. Her fingers softly dance around the lines of Brianna's panties, following the lines across the smooth soft skin. Bri lets out a sudden gasp as the playful fingers explore, and again as Becca lifts her other hand from her breast and wraps it around her shoulders as she moves to straddle her lover.

Snuggled in tight like they were, Brianna found herself reassessing her partners current age. Grinning as she determines that it had dropped to something more resembling sixteen or seventeen. Becca found herself starring right into Bri's brown eyes, giggling to herself as another sharp tingle rippled through her. The overall sensation increasing Bri seeming a bit larger below her than she expected.

"You know," she said to Brianna, "it's kinda silly... but you make me feel so snug next to you... so... little."

Both girls giggled a bit at this comment.

"Yes I do," replied Bri, watching all signs declare that the enchanting effects from her milk were working they're magic quite well. "Yes I do, don't I baby," she asked, eliciting a blushing and giddy response from Becca, now appearing to be around fifteen years old at the most.

Becca pulled back slightly from Brianna, feeling her diminishing breasts sliding around in her bikini top, as well as her shorts feeling strangely loose on her hips as they slowly lost their curves.

The brunette looked right at her, a mischievous grin playing across her face. "Whats wrong honey?"

"I dunno," Becca replied. "I..." she started, her statement interrupted as Brianna ran fingernails gently along the girl's much slender arm. Becca sighed, shuddering a little from the tingling and tickling sensations from Bri's nails. "Would you..." she pauses with a moment of uncertainty. "Would you like if I took off some of this for you?" she asks, her hand playing slowly over the soft material of Brianna's jogging pants.

Brianna smiled and gently urged Becca to back off of her and to stand on the thick soft rug. Smiling, she says, "No baby... I think we need to get those big things off of you now."

Giggling, Becca unties her bikini top from behind her neck. Dropping it slowly, her breasts scarcely an A-cup now, her body slipping back to tender age of fourteen. Bri rises up, hugging the now teenaged blonde close and unfastening the top from behind, freeing her partner from the ill fitting top. She also finds that it barely takes a tug to release the shorts from Becca's diminished hips.

As Brianna pulls back away, Rebecca looks down. Noticing her shrunken breasts, she reaches down to feel them. She touches them and is stunned at how small they've become.

"Something wrong baby?" Bri asked with that sly smile.

"My breasts," Becca responded with disbelief, "they're... they're... smaller?"

"Yes they are honey," Brianna responds, with a hint of amusement. "And your hips are starting to look kinda boyish too."

While Becca caresses her breasts in disbelief, Bri easily slides the girl's bikini panties down to her ankles. Tugging them playfully aside she tugs and twists the thinning reddish muff. "Ohh you're red down here too, " Becca looks down past her diminishing breasts, her gaze drawn by the tugging on her pubes. "Oh! watch them all go away." teases Bri as the last of Becca's bush slowly recedes leaving her with a smooth, bare crotch.

As she slowly begins to overcome her shock, she noticed her breasts had finished receding into her chest, as she reaches age twelve. Bri tries hard to stifle a giggle at the shocked girl in front of her, "You know, you look kinda like a little boy now. Well, except for not having something dangling down there," she says pointing playfully at Becca's empty crotch.

"Whats happening to me??" she asks in a fearful and stunned voice. Panic now beginning to really set in for the regressed redhead.

"Awwww... poor baby," comforts Bri, reaching out to stroke Becca's soft hair. "You haven't figured it out yet?"

Bri turns her to face a mirror on a nearby wall. Becca stares in shock as she sees her body lose what's left of its womanly definition, not to mention a few more inches of height. Frozen by the sight of herself, now a very pretty ten year old, standing about four feet three inches tall. Slowly, Becca turns around, now staring up to look at the taller woman, her mouth agape from shock.

"Oh you looked so lonely out there all by yourself in the park," Bri says with a sympathetic soft smile. "I thought you might be happier as my lil' baby girl, so I put a little something in you tea."

Becca continues to stare at the older woman in shock. "Little baby girl?" her childish voice squeaking up in pitch with her nervousness. "How long is this going to go on?" she pleads. As she asks, baby fat is building slowly around her face and softening her definition even further. Slowly crossing from a nine to an eight year old, her now cherubic features are decidedly more "cute" than "pretty".

Brianna smiled down at the young girl. "Oh, it'll stop in just a little while," she replies, sliding her hand over her stomach, "and then you'll be right in here." Her hand now slowly rubbing circles around her belly.

With that Rebecca really begins to panic, "What?!?!!" she exclaims, her voice filled with fear.

Bri simply smiled at her, even suppressing a laugh as Becca panicked more and tried to bolt for the door. But her feet got caught in her now oversized shorts, and she falls face first to the floor.

Brianna looked down at the little girl squirming on her carpet. "Aawww, come here baby," she says as she lifts little Becca up gently under her arms. She carries her over to the couch and sits her carefully on her knee. Becca tries to struggle, pushing back against the much larger woman as hard as she can, finding little success against the adult strength. Bri could not help but think that it seemed almost comical as Becca slid down to seven years old, and three feet 10 inches.

"Let me go!" she cries as the brunette firmly holds her on her lap.

"Well... maybe I could stop it now," Brianna muses softly.

Becca eases her fight slightly, "Wh... wha... what do you mean?"

"You'd like to go back to second grade again, right?" Bri asks her, smiling wickedly once more.

Her brief hope crushed, Becca cries out, "I'm a grown woman! I don't wanna go to grade school all over again!" Her voice, now so childish, was making it sound all the more like a tantrum.

Brianna laughed slightly, reading in her body language that Becca was starting to loose her desire to fight. "You were a grown woman honey, but not any more sweety."

Becca calls out, truly crying now as fits the little girl she has become, "just stop it!!"

Bri laughs softly chiding playfully, "you're going in my womb sweetheart."

Those words sinking in slowly, breaking down her resolve. Becca finds herself leaning against Brianna, crying as her body's immaturity finally catches up with her mind. Her childish thoughts taking over as her adult thinking sees her last hope of escaping slipping away with her years and height.

"It's ok Honey, it will be over in just a little bit," Bri says, comforting the young girl and holding her close, finding a certain thrill in the feeling of Becca's body slowly shrinking in her arms.

Rebecca on the other hand had some time ago regressed past the point of feeling sexually stimulated. As she reached the milestone of five years old, she found having her naked body held comfortingly by her "mother" a reassuring, sheltering feeling. The toddler girl curled into Bri's embrace, crying softly against the woman's body as she slowly regresses further.

"Awww, it's ok baby," says Brianna, in a comforting motherly tone. "Mommy's gonna take real good care of her lil girl." She kisses the child's head softly while stroking the silky soft red hair.

Becca shrinks to about three feet tall and five years old. The whittling away of her adult form had been slowly bringing in more child-like feelings, but finally the dam breaks. She looks up, her adult struggle against her situation finally fading. Tiny fingers slowly rub tears form her large blue eyes, looking out of them someone more five years old than 24, as her adult thinking begins to take a back seat to child's emotions.

Becca leans back in Bri's arm slightly to look down at her "mommy's" belly. She drops to her knees then onto the couch trying to get closer. Running one little hand over Bri's belly she asks with all the sound of a child's curiosity "How am I supposed to get in there?"

Patting Becca's naked back with one hand Bri also rubs her belly gently, "that's why I had you drink my milk baby. It makes your body ready to become part of mine."

Becca stands up again looking into Brianna's eyes, then down at her seemingly massive breasts. "Like this?" she asks, leaning in to again lick and gently suckle for a moment. Bri leans back for a moment sighing enjoying the pleasurable sensations.

For Becca on the other hand the strange tingling increased to new levels. Her body quickly regressing, getting slightly chubbier, her arms and legs seeming to not be so long compared to her torso as they did moments before. She begins to have trouble keeping her balance as she reduces to just about two feet tall, balancing on unstable tip toes to keep the teat in reach.

Brianna suddenly realizing what's happening, reaches out and just catches the little three year old as she slips, falling onto Bri's thigh. Then Becca looks up, marveling at how much bigger Brianna is now than before. Bri held the toddler gently but firmly, "Ohh, Baby, no... I should've stopped you sooner." She sighs softly, setting the toddler on the couch, she stands up.

As Brianna starts to slip her sweat pants down she notices how her hips have widened preparing to receive little Becca. She smiles slipping them down, followed soon after by her panties. Little Becca looks up at the soft fur and the pink slit it obscures. Part of her mind remembering how not very long ago such a sight would arouse her. Now it was just a comfort. She puzzled only a moment over the difference, before playfully childish impulses won the overly emotional debate.

Becca leaned forward reaching out to pat that soft muff of hair. "Pwetty wady" she called out, smiling wide as only a child can.

Brianna pauses for a moment surprised, "careful cutie, not nice to tease mommy."

With the mischief of a two year old, Becca reaches out and pats at Bri's bush again.

Again, Brianna chides the toddler, "No baby, not yet... But it wont be long now."

With another glance at herself in the mirror, grinning at the little child behind her on the couch. She smiles to herself before turning around again to pick up the child that was the lovely young woman that she found sunning herself in the park just over an hour ago.

As she picks up Becca she notices the little girl seems even lighter than a few minutes ago, and a little more baby chubby also. She adjusts her "daughter" in her arms on arm under the little one. The other gently rubbing up and down Becca's back as the little one leans into her and sighs softly. "Awww," Bri smiles, "that's my little girl."

Shifting the infant's weight, she inadvertently slides Becca down in a way that her little head brushes one of Bri's nipples, the infantile reflexes having begun to take hold, she reaches out with her lips without a pause for thought.

Becca's hand gently paws Bri's breast, her mouth slowly leaning into it. Bri notices the lips lock gently onto her nipple. She begins to suckle, quickly slipping past the 1 year mark. In scarce few moments Becca can barely hold herself up in Bri's arms. "Oh baby... now I told you not to do that," she says with a maternal compassion to the cooing infant in her arms. Even as she says says this, she feels a strange stirring between her thighs as something slithers gently from her crotch.

Brianna sits on the couch, little Becca squirming in her arms. She looks between her legs, the umbilical cord slipping forth from the folds of her vagina. She giggles to herself as she notices the squirming infant in her arms has still been getting slowly smaller. At this point she guessed Becca was an eight month old at most, cooing and wiggling happily finally accepting the process fully and kinda curious how it would feel to be inside another human being again.

Becca's eyes fix on Bri's nipples, cooing questionably as she slips to seven months old. Brianna looks down at her, shaking her head slowly, "No no baby, no more it's time."

She lays back placing the still dwindling baby girl atop her belly. Brianna reaches down and slowly guides the umbilical cord up and to Becca's navel. Both she and the child looking on in fascination as the cord fuses with the infant's soft pale skin, suddenly dropping her to four months old.

Becca sighs softly fascinated by the feeling of Brianna, expanding beneath her. Bri waves down at her, and Becca giggles and waves back as Bri shifts her further down towards her waiting crotch. Becca shrinking more, ever younger, now at best a four month old.

"Bye Bye honey," Brianna says as the cord retracts slowly back into her.

Becca looks down to the opening of Bri's vagina seeming to bigger by the moment, partly from her slow shrinking as she regresses further into infancy, and partly by the vagina itself dialating wider to accept her.

She was still staring wide eyed as her feet pressed gently into Brianna's nether lips. So warm, soft and slippery, her feet sliding right in. "Oooohh baby there you go..." Bri coos down at her. Becca, liking the feeling, kicks in and out gently even as she seems to become even smaller, now appearing to be a month old at most. But soon she is pulled further by the taut cord linked to her belly, in one large contraction she finds herself pulled in up to her hips.

Brianna is leaning back gasping and moaning, and definitely not from pain, she thought to herself this is a nice trick to use. Becca for her part is coming to enjoy the feeling of being swallowed up into her new mommy's vagina, her arms reflexively folding up into a fetal pose. She drops through 1 month quickly to true newborn size, Brianna's vagina tightening around her tiny form as she does.

The next contraction draws Becca in up to her ribs. Brianna panting and moaning softly at the strange but pleasurable sensations it causes her. With one great sigh, Becca is pulled in fully, her face disappearing in the grip of Bri's vagina.

Brianna leans back a bit more, sighing contently as she feels herself close up sealing Becca in. She rubs her belly as it expands, acomadating the new child inside her. She rubs softly feeling Becca squirm and shrink down a bit more.

"I hope your cozy in there," Bri says, "I won't see you again for another two months." Sighing, Brianna shudders slightly and her belly contracts a bit more. "Make that four months," she giggled.