Filling Out His Armor

by ReconNow

Rating: teen
Tags: My Little Pony: Friendship is Magic, Night Light, Fetish, Random, Shining Armor, Twilight Sparkle
Length: 1121

Twilight explores her brother's new, familar fetish

Twilight Sparke has always had a thing for bigger stallions; How soft their belly is, how shy they become when huge, and how greedy they get. She just never expected her first adult experience with a fat colt would be... her own brother.

Published 2019-02-05 00:40:01 UTC
Last updated 2019-02-05 00:40:01 UTC

Filling Out His Armor

Filling Out His Armor

This was not how Twilight thought her day was going to end up.

With a complete encyclopaedia of books and a cup of Latin tea, she had her whole afternoon planned out. No work, no magical monster of the month to bother the town, Spike had gone off to help Rarity with her new plus size clothing line - S’equal Plus. She didn’t understand what it meant, but who cares.
The whole castle to herself, what a treat! An opportunity like this hadn’t been shown since her coronation. After all of these months, things were finally going to be peaceful... Until she got the letter from Shining Armor.

The room was an absolute mess: Wrappers and plates were scattered all over the bed, crumbs were all over both of their faces, and a loud gurgling sound filled the room. Twilight, however, didn’t mind. Odd, since she usually would spend hours trying to clean the room up until it looked brand new and clean both of her and Shining’s faces, but it didn’t matter right now. She had a dream to fulfil.
"Still want some more, Shiny?~”
Her hoof landed and started rubbing on the whale of a stomach in front of her. Nearly the size of the bed, looking full up to its potential, that fat stomach was part of a mega obese stallion.
A stallion who took control of the Royal Guard, the army who protected their princesses, that stallion who happened to be the big brother to a national hero of Equestria! A stallion who... always wanted to be more than a big brother... He wanted to be HUGE.
“Y-yes, Twily.”

When she first read that letter, she couldn’t even believe it was real. Maybe it wasn’t real, maybe Discord was playing one of his weird practical jokes on her, maybe she was dreaming right now. But reading and studying it over multiple times, a sudden realisation hit her quick.
“I-it is real.”
Shining Armor... wanted to be fed by her and get huge.

Twilight took another sip of her Latin tea and thought about the situation once again... Shining Armor, her big brother, captain of the Royal Guard, and the fittest stallion in Canterlot wanted to get fed by her... Until he was massively obese...
Yep, makes a lot of sense, clear as daylight...

“WHAT!?”

Twilight screamed, thinking over the situation again. But, she wasn’t screaming because she thought it was disgusting, on the contrary. Twilight had... “Experience” with fattening up stallions.

Ever since her fillyhood, she had been infatuated by big and round stallions. Her earliest memory of this fetish sprinkling into her head was when her father, Night Light, had returned with her mother after visiting a barbecue joint for a date.

She remembered it so vividly - the way Night Light groaned and moaned as he sat on the couch, his stomach almost seeming to extend out to her hoof as she touched his food-packed gut, the way he stuttered out.
“D-don’t mind this belly, Twilight. Daddy just... URP!” He had blushed hard, nearly leaving a mark.
“Daddy just went... A little overboard with his dinner.”, and how her mother treated his stomach ache.
“Come on, Nighty. Surely you can eat at least... One more chicken wing from the fridge~”
That late-night groaning and expanding let out a new side for Twilight, one where... she wanted to be in her mother’s hoofs. She wanted to watch a stallion ruin his perfect musculature, she wanted to see him reach his limit, moans and groans coming from him about how he’s had enough and he might burst, and she wanted to whisper in his ear...
“Come on, sweetheart. You must have more~”

Over the next decade, Twilight’s love and obsession with fat colts only grew larger. Yes, that pun was on purpose, and yes Twilight had thought of that multiple times. While still living in Canterlot, she occasionally spotted stallions stuffing their faces at Donut Joe’s place and imagined that their greediness got the better of their gut...
Even when living in Ponyville, those feelings never faded. She couldn’t count how many times she fantasized about Mr Cake, overindulging in sweets and cakes, reaching the same weight as his wife, or Big Macintosh living up to his name in weight alone.

She even once imagined Spike, of all dragons, getting a little chubbier than he was already.
On second thought, he would like that body more than she would, just laying around the castle, stuffing his face with food, until the eventual belly rub session.
“Might need to remember that when he gets back.”
She made a mental note of that and slotted it in her other notes.

“Ughh, Twilight?”
A groan kicked her out to reality as she returned to the situation at hoof.
“Sorry, just... Thinking. Anyway, are you full yet?~”
Shining nods slowly, the newly obtained fat from his face shaking along.
“Good, that means I can move onto the best part~”
Both of her hooves move onto his groaning belly and start moving up and down, up and down.
“Isn’t this so embarrassing, big piggy?~”
She seductively whispered,
“You used to be the fittest stallion I knew, everypony would stare and wish that THEY were as strong like you... Not anymore~”
The groaning screams of fullness began to quiet down as well as Shining’s moans, as the moon shone through the window.
“Well, look at the time. Time for me to return home.”
She stepped off his stomach bed and flapped her wings.
“I had a really good time today, big brother~”
Shining just groaned and moaned as he sunk into the bed.
“M-me, t-too.”

His lifelong wish had been fulfilled, he was now the biggest stallion in Equestria! All thanks to his heroic sister: All this time he had known Twilight was interested in fat stallions, ever since he spied on her rubbing their father’s large gut at home that fateful night. He had planned that Twilight would help him get huge for years, and now... It worked.

As Twilight and Shining both sat in their beds, ready for sleep, they both thought about their feeding that night. They both hoped that it wouldn’t be the last time. Shining smiled as he fell into sleep, thinking of one thing before slumber.
“Cadence is going to love the new me~"
Twilight also smiled as she fell into a slumber, thinking of also one thing.
“How would Spike look with some extra weight?~”

Author's Note

Yo, this is my first fetish story that I bothered to complete.
Comment down what you think and any mistakes I made