little sister waking up and momentarily forgetting that she and her big sister confessed their love for each other last night and snuggled and kissed eachother to sleep, confused for a moment why her big sister is wrapped around her, then remembering, and feeling a sense of calm she never has before

baby sister asleep in your arms and just feeling her soft pretty hair splayed all over you with that specific frilly little shampoo scent you love and you just feel so so lucky that she's yours,,,out of all the girls in the world she wanted you,,, you can't help but kiss her head while she sleeps,,,

big sister in bed struggling to fall asleep while her little sister is sound asleep right up against her, a constant reminder of her little sister’s heartfelt confession of love that very night that she couldn’t help but accept, the reality of their new relationship slowly sinking in,,

when ur lips meet hers and everything just feels right, like 30 years of confusion and suffering just melted away, it feels silly that the girl u needed the most was always there but ofc she was,,she’s ur sister after all,,

twin sisters who have a normal sibling relationship where they’re complete opposites and are mean to each other until one has an unrelated mental breakdown and girl rots in bed all day and only her sister can help her through it and results in their eventual romantic relationship,,

big sister who's ur safe space. big sister who under normal circumstances would say stuff like "im not gonna hold your hand, dork" but because of the gauntlet of abuse you've both gone through, she knows that she's Everything to you. big sister who's every touch is like a salve to your wounds,,

big sister straddling over you, the strands of her hair touching your face, the curious sparkle in her eyes, the quiet sound of her calm breath,,she just wanted to be a good big sister like usual, hanging out and chatting with her little sister, but this time,,you can both tell it’s Different,,

big sister lightly tracing her acrylics across ur skin while she looks into ur eyes and she put on the chapstick that u said tasted the nicest before and her lips are practically glistening in front of u and she's so sweetly waiting for u to give in and show her ur little sisterly love,,

realizing you have a crush on the big sister you’ve spent your whole life with when you’re on a packed subway car and you both have to stand facing each other and oh god her breath is so warm her lips look so soft and i just want to melt into her embrace and let her hold me and love me and and and

cis big sister (big cister if you will) who falls for you the more feminine you get as you transition, blushing when she sees the cute new fits you come up with, asking you to use your fem voice more because she loves how it sounds, making you promise that she'll be your first when you're post op,

little sister braiding her big sister’s hair, going nice and slow, pausing every few braids to kiss the back of her sister’s neck or leaning over to kiss her cheek, seeing the edges of a smile form on her big sister’s face every time, and once she’s done, letting her big sister do the same for her,,

oh to wake up as a little sister in a bed full of cute plushies and tons of warm fuzzy blankets and there’s so so much pink in the room and you’re just a cute innocent girl who likes being cozy,,

big sister who wakes up and feels her little sister suckling on her in her sleep, smiling and holding her closer to better reach her breast so she get all the warm milk she needs,,

big sister who has that cool girl low buzzy voice and she knows just how it always makes you swoon ever since you had your first surprise kiss from her, so she purposely tries to talk to you more and more because she loves to see just how flustered and gay her little sister can get

when you and your big sister are home alone and you’re about to pass her in the hall and she pins you against the wall a little forcefully, her eyes looking hungry for You, a needy little “hey,,” leaving her mouth just as her resistance breaks down and she begins vigorously making out with you,,

little sister who shyly hides her face behind whatever book she’s reading when her big sister catches her staring,,big sister who always reacts by smiling and sitting with her, holding her hand and asking what her book’s about so she can watch her little sister get so adorably excited about it

it's a warm summer night and u and ur sister are hanging out in the park alone and having a good time, eventually ur conversation turns towards dating and bfs and maybe even gfs and one "i almost wish i could be with you" later, your world changes, the cicadas sound so loud but ur lips are so warm,,

little sister who is surprisingly good at makeup, leading her friends to ask just how she got so good, lying and replying that she just really likes doing it a lot, deep down knowing the truth that she has to do it to hide the numerous hickies from her big sister\

sisterly heart to heart where they sit together and vent about each others mental health issues, eventually leading to one sheepishly mumbling “i’m in love with you, y’know.” thinking the other won’t hear, but she does and thinks it’s so cute and adorable that her sister is into her,,

big sister who normally acts all cool and chill, but one time when she's alone with you she gets all blushy and quiet and you ask her if she's okay, and she says "i, um, i just really like you, y'know..", being too embarrassed to directly say she's in love with her sweet little sister,,

pov you're a little sister walking home with your big sister on a chilly fall day and she's holding your hand and just wrapped her big fluffy scarf around both of you, bringing you even closer and sharing warmth and god you're so in love with her you can't wait to make out with her when you get home

sisters in a discord call with mutual friends teasing their friends and each other, one of them slipping up by saying to her sister “don’t make me come to your room and ki- kill you uh like in the game” confusing her friends but making her sister giggle and run over and kiss her real quick on mute

sparkly loving sister eyes staring into ur soul,,no evil behind them,,only innocent fluffy sister love,,

sisters who share their first kiss as kids in secret because they were doing the kid thing where they're like "nuh uh you don't know what a kiss is like" and dared each other into doing it, growing up and remembering it but thinking the other sister forgot it, crushing on each other into adulthood

big sister who whispers things to her little sister while they’re around others that don’t know they’re dating that make her go extremely red like “really wanna make out with you rn” or “still thinking about ur clit from last night” or “don’t take ur shirt off at the pool, u Know why”

big sister who's a couple inches taller than u, sitting on ur lap facing towards u, running her hand up and down ur body while looking at u so lovingly and whispering words of affection to u, entirely filling ur field of view and making u realize how pretty she is, and how in love u are with her,,

when u and ur big sister are at a fancy event together and ur both all dressed up and gosh she's so pretty u can't stop glancing at her and she starts to notice and takes u away from everyone to show u how adorable she thinks u are and u just hear the clack of her heels as she leads u away and hhh,,

when u start getting close to ur big sister as she gets u to open up about ur trauma, listening to everything, holding ur hand and later holding u,,,the more she does this the more u realize ur feelings start to bloom for her,,and one fateful day, mid cry, u slowly go in for ur first kiss,,

big sister figure who helps u transition and a couple months in as ur sisterly relationship evolved she asks if u want to try sister hrt,,it makes u girl and also her sister,,so u take it and slowly ur facial structure and hair color shift as u feminize and u become a real little sister,,

little sister whose hand u hold while u sit on the couch together inching ever closer as u share memes and videos together before she's practically on top of u and u can't help but caress her face and move her hair out of the way so u can see her soft cute little face and god u rly wanna kiss her,,

the soft touch of a sister,,,knowing she wouldn't abandon u,,feeling her bodily warmth behind u as she holds u safely,,her rythmic breathing against ur hair,,the sleepy mumbles of ur name ,,the girl of ur dreams is in ur life and all it took was going down the hall and asking for her,,

lactose intolerant little sister who takes lactase so she can drink her big sister's breast milk

big sister who gets all flustered and embarrassed hearing her little sister confess her love, not expecting it but also not disliking it either,,big sister who reassures her little sister they can give being girlfriends a shot,,little sister who has never looked so excited in her life before,,

little sister curled up on top of u in bed fast asleep, only minutes after she came to u mumbling about how she feels bad but she just can't fall asleep without u being close and telling her she's a good girl, the warm weight of her cute body helping u fall asleep too,,

little sister mumbling ur name in her sleep, gripping ur shirt a little tighter and shuffling closer to u, making u wrap ur arms around her and whispering that it's okay, even tho u know she's deep in a dream and couldn't possibly hear u,,,but maybe she'll feel ur quiet kiss on her cheek instead,,

taller little sister who loves to wrap her arms around u and put her head on top of yours and just let u feel so safe and sound,,u try to be mature and a role model for her most of the time, but u love that she recognizes ur limits and lets u just relax in her embrace for a bit,,

big sister whose eyes are red and tearstained and she's so exhausting from sobbing into her little sister's shoulder over everything wrong in her life that when she finally pulls back and looks at her sister's concerned and loving face, that's the moment that she truly falls in love with her

shy bpd little sister who is a little angel that loves being praised and snuggled by her big sister but sometimes she splits and gets rly toxic towards her big sister who recognizes shes splitting and still takes care of her and loves her and comforts her when shes done splitting

twin siscon feels extra special to me bc it feels like destiny, like ofc u would fall for ur twin sister, she's literally the perfect match for u

when your twin sister, your other half that you look up to so much and wonder how she's so perfect and you're just Not, comforts you through yet another breakdown, her soft hands caressing your face, her quiet voice guiding you to equilibrium, the warm sensation of her lips on yours,,

girl confessing her love to her twin sister, feeling so ashamed and embarrassed and unable to even finish the sentence as it just devolves into im sorry over and over while sobbing, her twin sister taking her hands away from her tearstained face and hugging her so tight to show her that it's okay,,

speechless big sister quietly asking "how long have you felt this way" and her petrified shaking little sister nearly whispering "a really long time" followed by her big sister slowly leaning in for a kiss to ease her worries once and for all

sister who interrupts ur catastrophizing with a long kiss, immediately snapping u out of it, giving u have no choice but to focus on how soft and warm her lips are, how gentle her hands are as they wrap around ur waist to keep u still, how powerful her love is for u, her precious sister,,

sisters who feel so guilty and shameful about their love but just can't stop lusting after each other, the idea of it being forbidden making it all the more appealing,,

those little moments when you and your sister are well and truly alone, her eyes flickering back and forth to and from yours, still too nervous to directly ask for intimacy, but comfortable enough to openly yearn for more and more with each new opportunity you both get together,,

maternal big sister who gets physically intimate with her little sister, being so gentle while she caresses every part of her body, covering her in kisses, increasingly frequently whispering to her how she's such a good little girl for mommy based on how dark the wet spot on her panties gets,,

android little sister who gets fixated on trying to figure out the feelings she's developed for her human big sister and tries to talk it out to avoid breaking social protocol but her big sis gets rly quiet and flustered, telling her maybe it's okay to break protocol,,just between the two of them,,

vampire little sister who enthralls her human big sister, allowing her to have free will 99% of the time except for when she gives a command that activates her big sister like she's a sleeper cell agent, but even then she continues to use her free will to love and feed her sweet little sis,,

android sisters who have cute nicknames for each other based on their incredibly long and nigh indecipherable serial numbers, making each other overheat every time one hears the other call out her name,,

sis? you're holding my hand tighter than usual, everything okay? you had a rough day and you just need me right now? aw, baby, c'mere. there, right into my arms. good. i've got you now, you don't have to think about anything else, okay? just listen to my voice and let your big sis snuggle you, 'kay?