pov you find out your big sister has a breeding/pregnancy kink
(this one’s a really long one, sorry :c it’s my first time writing something like this so i apologize for any mistakes!)
you and big sis have been doing “it” for months now behind everyone’s back. you two have done it in every position, every scenario, every single disgusting wrong thing you two could have possibly done … or so you thought.
mom and dad were out for the night, out drinking? out partying? doing something with friends without the kids for the night? on a simple date at some nice restaurant? who knows, it didn’t matter. you and your sister were alone, and when you two are alone, you did ‘it’ at every chance you two got, like a youthful married couple. the both of you so pent up from the lost years of hiding your true feelings for eachother, every intimate moment alone between the two of you only made the sex more needy, more passionate, more … hungry for one another. maybe it was because you two had to keep it in. of course you could never tell your parents, your friends, extended family, or the rest of the world. that just made it harder to keep yourselves in line. when you needed each other most, when you were so in heat for your own big sister you were rubbing yourself in between your legs, covering your mouth and whimpering her name softly, your body aching for her to come pound you … your parents were home. you couldn’t do anything about it then, and that only fueled your neediness for her when the two of you were finally alone.
the minute your mom and dad said their goodbyes, your big sis looked at you with that hungry look in her eyes again, a look so fervent you felt butterflies in your stomach instantly. you already knew what was coming. slowly, she got closer to you, you could feel she was a bit nervous as she cornered you up against the door your parents just walked out of. she propped her hands up against the door with you in front of her, supporting herself as she towered over you. “they’re gone …” big sis murmured, her breath heavy, “... you want this just as bad as i do, right?” you gulped, your eyes trailing down at the excitement contained in your sister's pants before looking back up at her. you nodded your head, too tense to say anything. you’ve never seen her this primal before, it made you too rigid to speak, but relaxed enough to submit to her. “that’s a good baby sister.” she muttered before shoving her tongue in your mouth, leading you to the living room as your arms rested above her shoulders, your tongues still intertwining. she couldn’t wait long enough to take you to your room, instead laying you down on the couch, not that you cared, it wasn’t the first time you two have done ‘it’ here.
big sis was laid on top of you, her hands pinning yours beside you as she tongue-fucked you. you whined and whimpered like a puppy as she went on for what seemed like hours, her bulge pressing right against your aching pussy. she finally lifted herself up from on top of you, the both of you out of breath as she sat up right in between your legs, already spread open for her. she smirked as she looked down at you, looking so pathetic. as her hands fiddled with her belt, your legs tensed up at the sight, your clit swollen and throbbing from anticipation. your eagerness so apparent your big sis spoke, still out of breath, “oh, fuck. you really do want it that bad, huh?” before she even finished her sentence, your pants were gone, your soaked panties was all that was left. she plopped her massive, twitching cock on your precum drenched panties. your brain was so fogged from hunger for your older sister that you couldn’t even muster the words to beg her to put it in already. as much as your sister wanted to plow you, she loved to watch you squirm as she pulled your panties to the side and rubbed her head against your tender hole, your lips lathered in her own precum. she couldn’t help but smile smugly underneath her moans as you whimpered at her teasing.
before you knew it, even your big sister couldn’t take her own teasing anymore. she shoved it in without warning, the tip of her dick already slamming itself into your cervix. you covered your mouth, knowing that if you didn’t, you would moan so loud the neighbors would hear. your sister was softly grunting as she pistoned herself into you, you couldn’t even remember the last time you two had fucked for her to act like this. she leaned over, her hot breath right on your ear, “that's it, fuck. you’re taking it just like a good little sister should …” she groaned, her words making you tighten your walls around her, your legs locking her as she continued to thrust. she lifted her head to look at you, “baby sis, don’t do that – how am i supposed to pull out with your soft legs around me like that?” your eyes widened, you were so blind with pleasure that you didn’t even realize you were practically holding your sister by your legs, with no way for her to get out of this predicament … but what if you didn’t want her to get out of this sticky situation?
with all but no hesitation, you looked your older sister in the eyes, “what if i don’t want you to pull out?” you huffed and puffed. she stopped for only a moment, her breathing heavy and her hungry eyes still piercing your soft, pleasured gaze. before you knew it, she was pounding you again, but only this time — she was faster, her thrusts had newfound desire, her moans turned into groans and growls from this sudden craving for you. she flipped you onto your stomach, shoving your head into the couches’ decorative pillow as she continued to drill into you, her other hand clawing into your sides. your legs were no longer wrapped around your sister, but as you knew she was getting closer to release, she kept going as if she had no intention of pulling out. oh, but she had every intention of getting you pregnant. were you going to stop her? you had thought about it, but you said what you said. besides, she feels oh so good going in and out of you right now, the rush of her finishing inside you, for once, would feel all the more better.
“i’m gonna cum, i’m gonna cum—“ big sis repeated over and over, still thrusting into you faster than ever. you had one last chance to protest, your final opportunity to not make one of the riskiest decisions of both of your lives, but you said nothing. you moaned and whimpered as she slammed herself into you one last time, balls deep inside your hole, she leaned over you and emptied herself inside of you. you felt her cock twitch as her cum ran through you, your fate was sealed. she stayed inside of you for a long moment before you both slumped into the couch, your sister laying on top of you as you both tried to catch your breath. it was a long bout of silence before your sister sat up next to you, having you lay your head in her lap. “i can’t believe you let me do that …” she said as she stroked your hair. “was it worth it?” you murmured. “… that depends on what we do next.” she said, with a somber tone in her voice.
you raised you eyebrows, sitting yourself up to be it your sisters lap. “what we do next?” you asked, knowing what she meant by the ambiguous statement. you looked her in the eye and put your hand on her cheek, your gaze soft and loving, yet tired from the rough, intimate evening you two are sharing. “i guess we’ll just have to see what the future holds for us, big sis!” you said with a smile, assuring your sister that she didn’t make the wrong choice putting her seed inside of her baby sister. she smiled back and you and sealed your lips in a kiss to conclude the bittersweet moment. the two of you spent the rest of the night cuddling on the couch, your parents coming home to you and big sis asleep on the couch huddled together. your parents thought it was sweet, completely oblivious to what just happened that night, and what was to come.
and that’s it! wow, thanks for reading! let me know if you guys want some big sis taking care of pregnant lil sis fluff (or smut muehehehe) to continue this little story!!! (｡･ω･｡) i’d be happy to write as such!
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