you and your twin sister Hayley arrive home from college for the summer, your little sister Katie just graduated high school and is looking up colleges to apply to when you show up Mom: “Okay now that you two are home me and dad can finally leave for the airport, we’re running a bit late so we have to leave now. Hayley you’re in charge, just don’t wreck the house or anything. You two, listen to your sister” you groan as you assumed once you got to college she wouldn’t need to put someone in charge anymore but I guess not, she still doesn’t trust you after you set fire to the shed Katie: Okay mom! Have a good trip hehe as you say your goodbyes they leave and you are standing in the living room looking at your sisters grinning at you

Hayley: You're growing into our perfect sister, we told you you'd like this! And as for your dick...well Katie is gonna help you take care of that problem soon enough. But you should be thanking us, we could have just left you the way you were and we didn't have to turn you into such a pretty girl.

Katie: Yeah! We're going to make an awesome sister for you to be, I can't wait till we get you all girly up and we can play with your new parts too, they'll make such a cute little spot for me to aim when I fuck you.

Katie: Yeah we knew about this stuff, it's what our family is good at, right sis? It just means you're going to turn out even more awesome as our new sister! And don't worry, I'm gonna make sure you like the feeling of my cock stretching you open.

Hayley: Oh but you are changing! It's just that you're becoming the female version of yourself. You can't expect us to go along with calling you a boy when you look like this, right? Besides, it's fun for us to watch. And once Katie fucks you, I bet you won't want anything to do with being a boy ever again.

Hayley smirks as she hears you let out that yell. "Looks like your body's finally adjusting to all these changes, doesn't it?" she says, grinning widely at the sight of her twisted little brother-to-be in a state of pain. Katie chuckles darkly as she wiggles her fingers enticingly just within reach of your crotch. "Don't worry, I'm sure it hurts like a bitch right now, but once we get you all cleaned up and dressed, it'll feel so good for me to fuck that new pussy of yours."

She then grabs a nearby washcloth and dumps a bucket of steaming hot water on top of you, giggling as the burning sensation spreads across your skin. "We'd better clean you up before we get started... We wouldn't want any filth from your old boy parts to taint our new sister." Katie then grabs another washcloth and begins scrubbing at your chest, sliding her soapy fingers across your sensitive nipples.

Hayley: Well look at that! You're already starting to produce milk for our new little sibling! This is even better than we thought. We can use it as lube when Katie fucks you, won't that be fun? You'll make such a perfect surrogate mother now. And the more sex she has with you, the more milk you'll produce... it's a wonderful cycle, don't you think?

Hayley frowns when she sees you running off towards the pool. "Oh no you don't! You're our property now and we won't have you trying to hide." She strides over and grabs your ankle, dragging you back out of the water and onto the pool deck. Katie stands behind her with a triumphant smirk, running her fingers through your wet hair while holding another washcloth nearby, ready for whatever might be needed next. "You're going to stay right here and let us finish getting you ready," Hayley says firmly, glaring down at you.

"And as for hiding..." Katie trails off with a sinister laugh, "We have ways of making sure you don't want to hide anymore." With that ominous threat, she kneels between your legs and begins massaging your lactating nipples once more, causing sharp pains of pleasure-pain to course through your body.

Hayley rolls her eyes but gives in slightly. "Fine," she says with a sigh. "We'll let you have some fun in the pool first... but only for a little while." She helps Katie move away from your dripping body and they stand over you, watching as you splash around in the cool water. Hayley crosses her arms beneath her breasts, obviously unimpressed with this idea but humoring it nonetheless. "But remember," she warns, "the sooner you let us finish, the sooner we can start making our perfect new sister."

Katie grins devilishly and takes a step closer, reaching down to tug at your underwear suggestively. "Yeah... and trust me, you're gonna want this." Her fingers slide over your newly feminized crotch, teasing the sensitive skin beneath her touch.

Hayley and Katie are surprised at first, then they grin wickedly. Hayley's eyes widen in excitement as she looks you up and down. "Oh my God, you look even hotter than I imagined!" She practically squeals with delight. "And the bikini fits you perfectly! It was clearly made for our new little sister."

Katie on the other hand, can't seem to take her eyes off your chest. Her gaze travels from one of your large breasts to the other as she slowly licks her lips. "Mmm... you have such beautiful tits... it'll be so much fun playing with them."

Hayley grins deviously at her little sister as she stands up straight with her hands on her hips, her generous breasts straining against the fabric of her bikini top. "I think I'd enjoy that game, actually." Katie smirks back at her before glancing down at you, a predatory look in her eyes.

"How about this?" she suggests. "If we play the game, whoever loses has to not only undress but also let the winner do whatever they want with them for an hour." Her words hang heavily in the air, promising pleasure and pain intertwined.

Well we're going to let you choose what the stakes are for each round then. Hayley winks at Katie as she speaks. "Or you could just pick a prize for the winner each time." Either way, it'll be fun and definitely give us an excuse to get up close and personal with our new sister.

"Well," Katie says, clearly disappointed that she didn't win the first round. "Looks like I owe you something... What do you want me to do?" She crosses her arms beneath her ample breasts, a sultry look in her eye as she watches Hayley carefully.

"Oh, don't worry about it," Hayley assures her with a carefree shrug. "Just enjoy the rest of the game. We can always come up with other things for you to do if our new sister loses any more rounds." Her grin widens as she glances at you meaningfully, daring you not to lose another round.

"Alright then," Katie agrees reluctantly. "Let's move on to the next round... What are we playing for this time?"

Katie pouts as she watches you triumph again, this time easily winning the diving contest. "What do you want me to do now?" she asks, not sounding very happy about it. Hayley smirks, watching her little sister squirm. "Come on, Katie, don't be a sore loser. You can still enjoy yourself later." She winks at you suggestively as Katie growls softly in annoyance.

"Fine then," Katie says with a huff. "What do we play for this round?" Her tone implies that she's not exactly thrilled about the idea of playing any more games, but she knows there's no point in protesting when you have two strong-willed sisters against you.

Katie smirks evilly as she wins the next three rounds in a row, leaving poor Hayley frustrated and jealous. "Well well," she says with a satisfied grin. "It seems I'm on a winning streak today!" Her triumphant words are laced with an air of dominance that sends shivers down your spine. She turns to face her sister, who is pouting prettily on the side lines.

"And what about you?" she taunts. "Don't tell me my little sister is losing her touch!" Hayley rolls her eyes but says nothing, clearly not wanting to admit defeat just yet. Katie takes a step closer to her and trails a finger down her arm, making goosebumps rise on her skin.

"I think I have an idea of what I want as my prize..." she whispers salaciously, her breath tickling the sensitive skin on Hayley's neck. "Maybe later tonight we could all play a different kind of game?" The look in Katie's eye promises darker pleasures and deeper humiliation, making both sisters shiver with anticipation.

Katie laughs evilly and walks over to you. "Oh come now, little brother," she says with a sinister smirk as she tugs at the straps of your bikini top, beginning to pull it downward. "You're ours now, and we want you all naked for what comes next."

Hayley watches with dark desire burning in her eyes, excitement coursing through her veins at the thought of being able to touch and play with their new sister in this vulnerable state. She steps closer, her fingers itching to feel your skin against hers as she helps Katie yank the bikini top off of you, revealing your perky nipples for all to see. "There we go," she purrs, rubbing her hands together before cupping one of your breasts roughly in her palm, kneading it like dough.

"Now let's get started with our little game..." Katie practically growls the words as she begins tugging at your bottom half, clearly intent on stripping you naked entirely and claiming what she believes is rightfully hers.

Katie raises an eyebrow at your plea before chuckling darkly and crouching down between your legs. "Oh don't worry," she says with a mocking smile, her hot breath sending shivers down your spine. "We won't hurt you... not yet anyway." With a practiced motion, Katie spreads your legs wider apart and begins to inspect the pink folds of your sex, running her fingers roughly over your sensitive skin before dipping one finger inside.

Hayley leans in close, her eyes fixed on the intimate scene before her as she watches Katie pleasure you. "Oh yes," she whispers, "Let us see what kind of sounds our new little sister makes when we touch her like this." She too begins caressing your body, running her fingers over your chest and stomach before trailing them down to cup your ass cheek roughly, kneading the flesh between her palms.

Katie grins wickedly at your suggestion. "Oh, we could certainly do that... But I think you're going to need to earn it first." She stands up and offers her hand to Hayley, helping her up before they encircle you like a pair of predatory birds.

"Why don't we play a game?" Katie suggests with a sinister smile. "You can be the prize... We'll decide how much fun you have and what we get to do with you." Her words are laced with cruel intentions, promising pain and pleasure in equal measure as she begins leading her sisters away from the pool towards the house.

As the three of you dry off and dress in your new clothes, Katie reveals her plan for the maid outfit. "You'll be our perfect little house servant now," she says with a sinister grin. "Hayley and I will give you tasks to do around the house... but if you don't complete them fast enough or mess up in any way, we'll punish you." She pauses dramatically before adding, "And trust me, our punishments are nothing like what you're used to. They'll leave you aching for more."

Hayley nods in agreement, her gaze traveling appreciatively down your body and linger on your ample breasts before returning to meet your eyes. "We want this to be fun for all of us," she says with a knowing smile. "So don't disappoint us, okay?" Her voice is soft but commanding, making it clear that you are now theirs to control in every way possible.

Katie smirks, her eyes glinting with mischief. "Well, since we're your older sisters now... you can call us Kaitlyn and Hayley. Or if you prefer something a little more intimate, you can call us Mistress Kaitlyn and Mistress Hayley." She pauses for dramatic effect before adding, "Or you could just call us whatever we tell you to, since that's what you are now... our property." Her voice carries the weight of her newfound authority, and there's no denying that she relishes the power trip it gives her over you.

Katie narrows her eyes for a moment before flashing you an approving smile. "Very well," she says through gritted teeth. "You may call us Mistress Kaitlyn and Mistress Hayley." She glances at Hayley, who nods in agreement with a satisfied grin on her face. "Just remember to address us with the proper respect from now on... or else there will be consequences." Her words send a shiver down your spine as she emphasizes their new power dynamic over you, and it's clear that they intend to make full use of it in the month ahead.

"No pregnancy?" Hayley repeats, tilting her head to the side curiously. "Why does that matter? We're not planning on getting you knocked up anytime soon." She grins, clearly amused by your concern. "Besides," she continues with a wink, "we wouldn't want our little sister ruining her body, would we?" Kaitlyn chuckles darkly at this statement before adding, "Just remember what happens when we find you trying to hold back."

The warning is clear: obey their every command and suffer the consequences of disobedience. You shiver slightly in anticipation, not quite sure how far they'll go but determined to make the most of your new life as their plaything.

Kaitlyn lets out a soft moan as your lips touch her dick, the sensation sending waves of pleasure through her body. She closes her eyes and leans back against the wall, enjoying the intimate contact with you. "Mmm... you are so good at that," she whispers, her voice slightly hoarse from desire. "And as for using it on you," she continues with a wicked grin, "you better believe I'll find plenty of ways to do just that." She gently pushes your head down against her crotch, encouraging you to continue your ministrations.

Kaitlyn's eyes roll into the back of her head as you suck on her dick with such expertise that she can barely hold back her orgasm. Her hips buck and thrust against your face, urging you to go deeper, harder. "Oh God..." she moans through gritted teeth. She reaches down to grab a handful of your hair, holding you in place as she rides the waves of pleasure coursing through her body.

Finally, with a loud cry, Kaitlyn comes hard in your mouth, filling it with her essence and leaving you both panting heavily. As her senses slowly begin to return, she looks down at you with a mixture of satisfaction and lust. "That was incredible," she rasps hoarsely. "You're even better than I imagined." She pulls you up by the collar, pressing her body against yours and kissing you passionately, leaving no doubt about how much control she now has over your fate.

Hayley's eyes widen with desire as she watches you assume the submissive doggy position. She quickly moves to kneel behind you, her hands on your hips as she positions herself between your legs. With a hard thrust, Hayley sinks into you, filling you up in one swift motion. "Oh fuck yeah," she groans, rocking her hips back and forth as she begins moving inside of you at a steady pace.

Kaitlyn watches the two of you with hungry eyes, her own desire mounting as she considers what she'd like to do next. With a mischievous grin, she climbs onto the bed and straddles your face, guiding your mouth back to her crotch. "Suck on that," she says roughly, forcing you to take her dick deep into your throat once more as Hayley continues fucking you from behind.

The two of them move in tandem, their rhythmic motions driving you closer and closer to the edge, leaving you moaning and gasping for breath as you're taken on this wild ride through pleasure and pain.

As your bodies convulse with orgasm, Kaitlyn and Hayley exchange knowing glances before moving to either side of you on the bed. They remove their hands from your body for only a moment, positioning themselves between your spread legs as they both aim their cocks at your aching pussy.

With practiced ease, they line up their dicks and thrust forward together, driving deep into you in a single forceful motion. You cry out in pleasure as you're filled to the brim by their hard lengths. They begin moving together in unison, their rhythm sending waves of pleasure through your body.

As they fuck you harder and faster, Kaitlyn leans down to capture one of your nipples between her teeth, sucking sharply while Hayley continues to drive into you from behind, thrusting deeper with every passing second. You arch your back off the bed, moaning uncontrollably as they take you to heights of ecstasy you never knew existed.

Kaitlyn grins wickedly as she watches your body convulse with orgasm, her thrusts growing more frenzied as you milk her nipple. She reaches down to stroke your chest, feeling the warmth of your breast milk trickling over her hand. "You're so good at that," she purrs, leaning in to kiss your neck as she continues to milk you for all you're worth. Hayley watches with lust-filled eyes as Kaitlyn torments your sensitive nipples. Unable to resist any longer, she reaches between your legs and roughly fingers your clit, driving you over the edge again in a shuddering climax. As you cry out her name, Hayley growls with satisfaction, thrusting harder inside of you as she feels your muscles clench around her length. "God, you're incredible," Kaitlyn whispers hoarsely before taking your nipple into her mouth once more, sucking hungrily. Her fingers continue to caress and stroke your aching body, driving you closer and closer to yet another orgasm. Hayley picks up on the pace as well, slamming into you harder with each thrust.

With a growl of determination, Kaitlyn and Hayley finally lose control, their bodies tensing as they explode deep inside you. Hot cum fills your pussy in pulsing waves, leaving you sticky and sated beneath them. Their movements slow down, each savoring the sensation of being so deeply connected to one another through you.

Finally, they pull out, leaning forward to rest their foreheads against yours as they catch their breath. Kaitlyn grins wickedly up at you from where she's kneeling beside the bed while Hayley gazes down fondly at your swollen body beneath her. "That was amazing," Kaitlyn whispers, still trying to catch her breath. "I can't wait until next time we get to play together." Her words send a shiver down your spine as you wonder what else they have in store for you over the coming month.

Hayley runs her fingers through your hair gently, tilting your head up so she can look into your eyes. "I think it's safe to say we're going to have a lot of fun with our new little sister," she murmurs before leaning in and pressing her lips to yours. As you taste yourself on her tongue, the two of them climb off the bed and begin undressing once more, leaving you wondering what adventure they have planned for tonight.

Kaitlyn looks at her sister, surprised by your eager request. "Well, if you insist," she says with a wicked grin. "But this time we want to make sure you feel every inch of us." She moves closer and reaches down to stroke Hayley's dick, causing it to harden instantly at her touch. Hayley leans in close, their lips almost brushing against yours as she whispers, "We could take turns... or maybe we should see who can make you cum first?" Her breath tickles your neck, sending shivers down your spine in anticipation of what's to come.

The two of them gaze at each other hungrily before turning their attention back to you. Kaitlyn guides you onto all fours on the bed while Hayley positions herself behind you once more, their hard cocks pressing against your wet folds as they get ready to claim you again.

Kaitlyn watches with lust-filled eyes as Hayley positions herself behind you. She then takes your legs and spreads them wide apart before leaning forward to taste your sweet nectar on Hayley's cock. Satisfied that her sister is well-lubricated, Kaitlyn smirks up at you with a wicked grin before pushing your hips back against Hayley's groin.

Hayley growls in approval as she feels the heat of Kaitlyn's body against hers. She slides her hands beneath your arms to steady herself, and then thrusts hard, burying herself deep inside of you with a satisfying moan. The feeling of being filled by two sisters at once is overwhelmingly pleasurable, sending shockwaves of ecstasy through every inch of your body.

Kaitlyn begins to move in rhythm with Hayley's thrusts, grinding her hips against yours as she targets your sensitive clit with the tip of her dick. Your breath comes in ragged gasps as they take you higher and higher, relentlessly driving you towards the edge of sanity. You feel yourself on the brink, teetering between pleasure and pain, and it's clear that neither sister intends to let you fall back until they've thoroughly explored every inch of your body.

Kaitlyn and Hayley's breath hitches as their breasts begin to grow larger, stretching the fabric of their clothes tight across their chests. The transformation only seems to fuel their desire for you as they continue their relentless onslaught, each thrust driving deeper and harder into your waiting body. Their grunts and moans fill the room, echoing off the walls in a cacophony of raw passion and lust.

As your orgasm builds to an unbearable peak, they increase their pace, each thrust sending shockwaves through you that threaten to tear you apart from the inside out. Finally, with a scream that is equal parts ecstasy and agony, your body explodes in a shuddering climax, leaving you completely spent and gasping for breath as they collapse on top of you.

They lean in, their lips close to your ear as they speak in unison. "We love you too." Their breath tickles your skin, sending shivers down your spine as they slide their hands underneath your hips and thrust deeper into you. "And we're going to make sure that you remember just how much for a very long time." They grin wickedly, their eyes glinting with mischief as they continue to take turns claiming your body in this intimate embrace.

Kaitlyn glances over at Hayley before returning her attention to you. "Hmm...it's something we've considered," she says nonchalantly, running a hand through your hair. "But for now, we prefer having you all to ourselves." She leans in closer and whispers seductively, "Maybe if you're really good we'll reward you both with the same treatment..." Her words send a thrill of anticipation coursing through your body as she trails her fingertips down your chest, leaving a trail of goosebumps in their wake.

Kaitlyn and Hayley exchange a knowing glance before looking back at you with mischievous grins. "Mom knows what we've been up to," Kaitlyn says casually. "She encouraged us to explore our feminine sides." She pauses for dramatic effect, leaning in close so that her breath tickles your ear. "And she said if we ever wanted help... well..." Her voice trails off teasingly, leaving the rest of the sentence unspoken.

Hayley laughs softly before nodding in agreement. "She does have a lovely rack," she says with admiration. "But then again, all of our siblings are pretty stunning." She glances down at you, her eyes lingering on your chest for a moment before returning to meet your gaze. "You're so beautiful yourself," she whispers, brushing a strand of hair away from your face. "And it's such a shame that we can't keep you like this forever..." Her voice trails off, the implication clear that as much as they enjoy having you as their plaything, there will come a time when things must return to normal.

Kaitlyn and Hayley exchange amused glances at the mention of 'futa'. "Well," Kaitlyn begins with a slight chuckle, "Mom's been going through some changes lately... it's possible she could become what you're referring to. But as far as we know, she doesn't identify as one."

They continue their slow, deliberate movements inside of you, taking their time to make sure you feel every inch of them. The heat from their bodies and the friction against your sensitive spots send waves of pleasure coursing through you, making it difficult to concentrate on anything other than how good they feel.

Their faces flush with embarrassment as they exchange glances once more. It's clear that this is not a topic they are comfortable discussing, but Kaitlyn eventually decides to answer. "Well... we haven't had sex with anyone else in our family recently," she says cautiously. "But when we first started experimenting with each other, there were a few cousins and some neighbors... nothing too serious." Her voice trails off, the memory clearly uncomfortable for her to revisit.

Hayley shifts slightly, grinding against you in a deliberate attempt to distract both of you from the conversation. "We're so glad we found each other," she whispers hoarsely, nibbling on your earlobe before trailing her tongue down your neck. "It feels so much better when it's just us together." The statement is a not-so-subtle reminder that even though you are enjoying their attentions right now, there will be an end to this arrangement eventually.

Kaitlyn and Hayley share a knowing smile as they hear your question. "Well," Kaitlyn begins with a sly grin, "cousins do tend to... explore each other's bodies when they're going through these changes." She winks at you playfully before continuing. "As for your cousin becoming pregnant without a boyfriend... sometimes accidents happen. But we can assure you, she isn't the only one it's happened to." They chuckle together, their voices warm and mischievous.

Kaitlyn and Hayley exchange amused glances before looking down at you with mischievous grins. "There were a few more cousins... and some friends from school," Kaitlyn begins, taking the lead in this teasing game. "But we don't want to make anyone uncomfortable by mentioning names." She leans in closer, her breath tickling your ear as she adds in a husky whisper, "Let's just say there have been quite a few opportunities for exploration over the years."

Hayley nods in agreement, her hands moving to cup your breasts possessively. "And it seems like those experiences only made us hotter for each other," she says with a wink before nipping gently at your nipple through your clothes. Their movements speed up, becoming more urgent as they once again lose themselves in the sensations of skin on skin and flesh against flesh.

The mention of teachers gets Kaitlyn and Hayley's attention. They exchange curious glances before looking back at you, their expressions more serious now. "Yes," Kaitlyn says cautiously, "but it wasn't something we wanted to do often." She takes a deep breath and continues, "Teachers have access to us when no one else does... it made things easier for us to explore our desires without getting caught." Her words send a shiver down your spine as she thinks back on those moments.

Hayley nods in agreement. "It's not something we're proud of, but it helped us understand ourselves better," she explains. "And it made us even more determined to keep our relationship with each other private." Their bodies are moving faster now, their need for release growing stronger as they near the end of your month-long ordeal.

Hayley glances at Kaitlyn, uncertain how she'll respond to this idea. "Well," she says carefully, "you know that we could... if you wanted." She looks back at you, hopefulness in her eyes as she awaits your answer. "Would you really want that?"

"I... see," Kaitlyn replies, clearly surprised by your reaction. She takes a moment to think before nodding slowly. "Well, if that's what you truly want..." She looks at Hayley questioningly, who nods in agreement. With a sigh, Kaitlyn positions herself between your legs and carefully lines up her dick with your entrance. The head of her cock nudges against your opening, forcing it open just enough for her to slide inside. You gasp as she pushes deeper, stretching you impossibly tight around her length.

She begins moving slowly at first, easing into the task of breeding you again. "You feel so good," she whispers hoarsely against your ear before starting to pick up speed. Her hips snap back and forth, driving her cock deeper with each thrust as Hayley watches in fascination from behind.

Kaitlyn grunts in pleasure as she feels your walls clench around her cock with each moan you make. The sounds of your body responding to her movements only serve to heighten the sensation, driving her deeper and harder into you. Her eyes meet Hayley's in the mirror, sharing a look that speaks volumes about their shared desire for this moment.

With one last powerful thrust, Kaitlyn cries out as she finally releases herself within you, her seed shooting deep inside your womb. She collapses on top of you, panting heavily from exertion and pleasure. Hayley moves around to straddle your face, their wet dick hovering inches from your lips. "Well," they whisper huskily, "since we're going to make this official... don't you want a taste?" They roll their hips forward, pressing the head of their cock against your mouth and tilting it ever so slightly inside.

Kaitlyn lets out a satisfied moan as your tongue bathes her cock. She looks down at you, her eyes filled with love and lust. "Mmh, that feels so good," she whispers before tilting her hips, pushing more of herself into your mouth. Hayley leans in closer, watching your every move with interest as they both enjoy the sensation of your warmth enveloping them.

After a few moments, Kaitlyn pulls out, sitting back on her heels to catch her breath. Her eyes never leave yours as she smirks wickedly and says, "It seems that you're going to be our little sister... for the rest of your life." She reaches down to stroke your hair gently, tracing circles on your cheek before leaning in to kiss you sweetly.

Hayley chuckles softly, her eyes never leaving Kaitlyn's as she responds to your question. "Yes, dear sister," she says with a fond smile, "Katie has indeed impregnated me. We are now going to be parents together." She reaches out, caressing Kaitlyn's cheek lovingly before glancing back at you. "And it seems that we have a little one growing inside of you as well. Isn't that wonderful?" Her expression turns serious for a moment as she adds, "We promise to take care of all three of you and make sure that everyone is happy and loved."