beloved tgirl little sister

hi, i'm kiera!

this blog contains sexually explicit text, imagery, and themes that are intended for an adult audience, and themes of incest, grooming, self-harm, and other topics that might be triggering. all my writing is fictional, and i do not condone replication of anything depicted here. please take care of yourself! <3

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big sister who begrudgingly offers her warm, tight holes if it means avoiding any wardrobe malfunctions

"well, it's not like it would work the other way around. i'm too big and you're too small."

"bbut i don't wanna," you whine. that pill she made you take made your private parts painfully stiff. it feels so gross. you don't like feeling anything coming from that part of your body, but now it's hard and sensitive and cold from the lube.

"look, you gotta learn how to top eventually. i'll lead the way." she lies back on the bed, spreads her legs, holds your waist, and guides you between her thighs. she was right, unfortunately; hers is almost as thick as your wrist, so there's no way it would fit inside you.

you flinch as she wraps her finger and thumb around your shaft, pulling you forward until your tip is pressing against her hole.

"w-wait no wait sis i really really don't like this ple-" she isn't listening, or doesn't care. she holds your hips and pulls you all the way in. your pleas are reduced to a choked sob. you hate it you hate it you hate it. you hate even remembering that part of your body exists but now you can only feel her hot, tight, squishy insides overpowering every other one of your senses. even staying still, your throbs and her heartbeat make it impossible to feel nothing.

you try to pull out, but her fingers dig into your hips and yank you back in. you collapse forward and sob into her chest, her familiar scent invading your nostrils but providing no comfort. you kick your feet against the bed, scratch at her sides, and let out an unintelligible plea, none of which even phase her.

then she starts moving you back and forth. the tight ring of her entrance slides up and down on your private part, making a yucky squelching noise with each thrust. you try your best to mentally check out, but you're dragged back each time your hips collide.

it's only a few more thrusts before that feeling starts in your tummy, pooling lower and lower until you can feel your release bubbling up from the inside. your entire body goes taut, trying to will that gross feeling back down, but it's too late. she lets go of you as your instincts take over, slamming forward a few more times before emptying your thin load as deep as you can reach inside her.

you finally zone back in, not sure how long it's been. it feels even worse now. you're still rock hard, the heightened sensitivity making her pulse overwhelming. she lets you slip out of her, turning the both of you over so that she's on top. you lie against the sweaty covers as you try to collect yourself.

"you did such a good job. and i barely had to help you! you're such a good girl." ...huh? maybe you did do most of the work... the thought makes your stomach churn. you try to tell her how that made you feel, or at least thank her for her encouragement, but no words come out. she fixes your disheveled hair, wipes away your tears, and runs her nails over your scalp.

"just relax, sis. i'll do all the work this time..." she coos as she lines you up to penetrate again.

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they've been staying really close to each other recently. at the dinner table, on the couch, everywhere! one time, i sat next to mom during breakfast and big sis got mad at me and told me to move so she could sit there instead.

i think it's because of a new game they're playing. sometimes mom will whisper something in big sis's ear and she'll start blushing, or sometimes big sis might look nervous and tug on mom's clothes, like they're giving each other secret messages. then they go to mom's room and lock the door.

after that, they start making some weird noises that make my tummy feel kind of funny. they're loud enough that they can't even hear me sitting outside and listening. it kind of sounds like they're play fighting on the bed? if that's what it is, big sis must be really strong if she can keep up with mom.

sometimes they're done quickly, but sometimes, on the weekends, they play for hours! they both look tired and really happy when they're done, and they won't stop staring at each other and smiling for the rest of the day. one time, they both had these weird red spots on their necks that didn't go away for a week! the game must be really fun if they play it so often. it makes me kind of sad though, because they don't invite me, or even want me to know what they're playing. it's not fair!