xxx by Anon

https://desuarchive.org/mlp/thread/42099180/#42147160

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>Your Visa to emigrate to Equestria was approved
>You left the hoomin world and passed thru the portal
>As is Celestia's Law, you had to be age regressed to a colt when you arrived
>Have to live with a pony foster family, go to school like a normal foal

>Catch the eye of a cute filly within a few weeks
>Sweet girl with a hair bow and matching tail bow
>You let her cheat off your paper during tests
>She has a huge crush on you but it's totally innocent
>Hoof holding...peanut butter & jelly sandwich picnics...maybe a kiss on the cheek
>Your 3rd date is meeting her family
>Parents and a younger sister
>They welcome you with typical pony warmth
>Upon hearing you're an immigrant from the monkey world the Mom treats you like her own son

>There was some drama that evening
>Girlfriend's little sister got in trouble at school today
>After dinner the and her parents have a "talk"
>The kind of talk that involves the back of a hairbrush and a bawling filly's rear
>Nobody makes you watch, but it's hard to ignore...you can hear it through the whole house
>Blushing, your fillyfriend admits she gets the same when she messes up and breaks the rules

>Feeling sorry for the embarrassed filly, you visit her before you leave
>She's sullen, moody, but glad somebody came to see her
>Blames her big sister for the trouble
>Seems your very special somepony is a tattle-tale
>Let Mom know little sis snuck into an R-rated movie
>Filly's poor posterior payed the painful price
"Well, that does seem pretty rotten for a sister"
>She agrees with you
"Tell you what; if I find out some dirt on your big sis I'll slip you the info so you can get some revenge or blackmail."
>You both laugh
>It's just a joke but a few weeks later there's an opportunity

>Remember how I said she cheats off your paper during tests?
>She does that a LOT
>Never reciprocates
>You are starting to get annoyed
>Do your own homework...don't just count on me to study
>You get peeved enough to whisper in her little sister's ear
"Check the bottom of your sister's saddlebag."
>She doesn't have every class with you
>There's no pony to cheat off in math class
>So she's had a few failed tests
>Which she buried at the bottom of her saddle bag...hidden from Mom & Dad
>You leave it up to little sister to do as she wishes with the information

>A few days pass
>You are invited for dinner, as you are many days
>Remember, her Mom thinks you're some lonely orphan from the hoomin world who she needs to care for
>But there's drama today
>Filly tearfully tells you her predicament
>Those failed math tests somehow "fell" out of girlfriend's saddlebag
>Little sister gives you a sneaky wink at that
>Mom & Dad found them
>Not happy
>Not happy at all
>Now girlfriend is having an after-dinner "Talk" with Mom's hairbrush
>It's super awkward being a guest while your very special filly is being spanked
>But no pony asks you to leave

>Your very special filly is super cute when she's being spanked
>She might even qualify for MEGA CUTE status
>Sweet voice, crying and blubbering
>Begging for mercy from any pony; Mom, Dad, Princess Celestia...anyone that could help
>But she gets a long, hard lesson
>You sit in the family living room hoping nobody notices something else long and hard
>Little sister has a smug, thankful look on her face
>Revenge is sweet
>And Holy Shit it is turning you on.

>Over the next couple months you do it a few more times
>Not too often...don't want to ruin a good thing
>Little sis is always game for getting her sibling in trouble
>One time you both worked to sneak an illicit bottle of hard cider
>But then she drank it with her filly friends and didn't leave any for you, who had done most of the work/risk
>You tip little sister off to where she hid the empty bottle
>And find out your girlfriend sounds super adorable while she's getting a spanking with her Dad's belt

>Another time you know she's sneaking out to a party at the house of this colt you don't like
>So you make sure little sis knows to lock the bedroom window that night so she can't get back in
>Locked out and desperate she finally knocks on the front door at midnight and has some explaining to do
>Your girlfriend sings wonderfully when the wooden paddle is used on her rump

>She hasn't caught on but by now your filly friend is getting pretty annoyed at how many times her sister has gotten her in trouble lately
>Time to put your hoof on the scale and even things out
>You happen to know little sister shoplifted some candy from Miss Bon-Bon's shop in Ponyville
>And you know where her secret stash is
>This time you slip older sister the dangerous data
>And the next night you get to hear a higher-pitched concert as little sister does some singing over the parental lap

>Neither of them ever catches on
>You don't over-abuse your power
>Once every few weeks...no more
>You are playing both sides...you have the trust of both sisters but you are betraying them both at the same time
>Both siblings make sure you're there when they spring the trap and get sis in trouble
>They each count on you as their ally
>You almost feel guilty for playing them
>But it's SOOO cute to listen to them wailing
>And they both love a reassuring cuddle after an awful spanking
>Plus the Mom is an awesome cook
>Life is good for you