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Rated: 18+ · Interactive · Adult · #2241499
Big sister forces little sister to have sex
This choice: Scat punishment  •  Go Back...
Chapter #3

Scat punishment

    by: SuperStar1 Author IconMail Icon
I wake up with a little pain in my butt due to the spankings I got yesterday and think oh gosh what is she gonna make me do today they it hits me I have to go to the bathroom so I get up and head towards the door when it flies open and standing there is my sister I gulp "where do you think you're going" she asked "umm to the bathroom to use the toilet" i said she laughed a little "you're wearing you're toilet" as she grabbed my arm and pulled me back to the bed "you can't be serious I'm not going in this that's what babies do" ("it's getting harder to hold it in plus I think I have to poop") she then picks me up and places me so that her leg is in between my and holds me arms behind me and holds me close to her "you're gonna use that diaper and like it" she then uses her other hand to rub my bottom while saying "come on little sis fill you're diaper" "you'll change me right" "of course I will now just let it all out" I couldn't hold it in anymore at this point so all you start hearing is pee filling the diaper up "please at least let me use the toilet for pooping" "Not gonna happen sis" "no no no it's coming out" you start to hear the sounds of messy mushy poop filling the diaper and start seeing the back of it get bigger and bigger "oh my sound one had a lot in them now are you ready for this" "ready for wh..." my sister grabs and pushes the poop around making sure that I feel it on my butt "eww please stop" "No chance sis the fun just began" at this point I start to squirm around trying to break free she then smacks my bottom mushy the poop more "stop squirming" I stop nut she continued to move the poop in my diaper around "get up and don't you dare think about running" I get off her leg and when stand on the floor I really feel hiw heavy the diaper is.

She then start to take off her clothes and I think ("no not this stuff again not when I'm in a messy diaper") she then takes off my shirt which leaves me with only the diaper on she then order me to lay down on the bed I obey she then gets on top and put her butt in my face "what are you planning on doing to me" "just wait" she then tells me to open my mouth she puts her butt hole right above my mouth she then puts her hand down the front of my diaper and starts to rub my vagina I make a wried sound almost as if I like it then the most disgusting thing happened as she's play with my vagina she starts to take poop I start to hit her thighs to say hey stop but she continues to poop and it goes right in my mouth the worst part is she poops for 5 to 10 minutes I can't swallow it all and it start to run all over my face the smell is unbelievable "you like that little girl you like eating your big sisters poop" she then stops rubbing my vagina and sits my face more mushing the poop in more as she rubs her butt all over my face.

She then gets off me and undoes the dipaer takes some of the poop in ther and puts in on my body rubbing it al over me making sure no part of me wasn't covered. Now covered from head to toe in poop "please stop this is so disgusting" "Oh but we're not done yet my little sweet" she then put her lips on my and starts to kiss me while she's kissing me I can feel her penis getting bigger ("oh my gosh she's gonna have sex with me like this") once her penis was hard enough she lifted her hips up aimed her penis at my back door amd thrusts inside me my screams were muffled by her kissing me once she was fully in my butt she stopped kissing me and started her humping with each thrust her penis got more and more covered in my poop "this is what I call a scat fucking" "please stop it, it hurts and it gross" "you'll soon love it sis even more so when my scat friends join us".

Hour later she comes inside my butt and pulls out "one more thing to do to you" she says as she sits on the edge of my bed amd pulls me over her lap "time for a scat spanking"

Spank
Spank
Spank
Spank
Spank
Spank
Spank
Spank
Spank
Spank
Spank

At this point I'm begging her to stop but "you're just so much fun to play with" she then picks me up puts me above her penis this time at my vagina and slams me down my face facing her "bounce little brat bounce" I start bouncing up and down "see isn't this fun after a few minutes of bouncing she tells me to get off and on my knees I obey and she shoves her poop covered penis down my throat at this point I puke.

After my sister down cumming she tells me to stay put I fear for what's next she comes back with a rope a pair of panties and a bottle of pills she uses the rope to tie me up with my arm behind my back she puts the panties on gives me a wedgie then goes into my underwear drawer and pulls out a new diaper rips the panties off me then diapers me again then takes out three of the mystery pills put them up my butt few seconds later I start to poop uncomfortable "no no not again please make it stop" as the diaper is filling fast my sister just smiles and wants for me to finish. After I'm done poop my sister throws me back onto the bed this time on my stomach undoes the diaper unfolds the dipaer amd see all the poop is still on my butt and hips she grabs and large piece of it and forces it in my mouth and tells me don't swallow it then goes back to my butt and aims her penis and thrusting it all the way in this time she had no interest in showing my butt mercy she pounded me so hard it felt like she was spanking me instead.


She did this to me several time then decided that enough poop torture for one day then pick me brought me to the bathroom put me and her in the tub turn on the shower and got us both cleaned up then she dried me off amd put me back in a diaper.

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