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jsmith1995 — Sister Envy [NSFW]
#bra #brasize #brashopping #bigboobs #boobs #sisters #boobenvy #breastenvy #biggerbreasts #biggertits #tryingonbras
Published: 2016-12-09 04:41:32 +0000 UTC; Views: 34294; Favourites: 144; Downloads: 0
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Description Amber Williams came from a family of four, with a mother, father and two sisters. Their dad had separated from their mother, taking with him the middle child of the family, Rebecca. Amber was the oldest between herself and her younger sister, Jackie, yet no one would have guessed judging by both girls' endowments. Jackie was fifteen year old, while Amber herself had just turned nineteen earlier in the week.

When Amber turned the corner into the kitchen, she quickly took notice of the two big reasons why she would always be incorrectly labeled as the youngest between them. Jackie was busty. For some girls, puberty hits them like a truck and they begin growing some respectable bumps on their chests. For Jackie, it was more like a freight train had slammed into her one day and, instead of growing just bumps, had left behind two enormous mountains. She put their mother's D cups to shame and almost every teacher's bosom at school, all before she even had her sweet sixteen! Jackie was eating in the kitchen, wearing one of her tight black t-shirts that she had definitely not bought with her recent endowments in mind. The fabric was stretched to the point of tearing as two large cannons pushed against the seams, testing the material to its core. Jackie scooped up a large pile of Froot Loops before downing it with a swig of Coca Cola. The room-shaking burp that followed shortly afterwards was loud enough to rival any teenage boy, yet coming from a fifteen year old girl it was about twice as impressive.

"Jackie, I told you not to burp at the table!" Amber said sternly as she reached for her own cereal from the top of the fridge. With their mother working a few towns over each day, she was rarely home, so it was up to Amber to be the substitute mother of the household. She turned to see Jackie's massive breasts resting on top of the table, completely obscuring both girls' homework from the night before, "And the kitchen table is not a place to rest your bosom."

"Come on, sis, gimme a break! They're reallllly heavy, okay?" Jackie complained as she made a huge deal of trying to lift up her jugs, before letting them drop back onto the table with a silverware-clinking thump. After swallowing another gulp of Coke, she continued, "You shoulda seen how much they weighed when we went through our breast examination at school. Nurse Maggie even said my tits were the heaviest knockers of any high school girl she'd ever met!"

"Jackie!" Amber reprimanded the sophomore again, finding the girl's use of the words "tits" and "knockers" unsuitable for breakfast conversation. Jackie only laughed as another loud burp escaped her mouth.

"Apparently Jessica Matthews' boobs weren't even half a stone (8 lbs). Mine are over double that and she's in SENIOR YEAR!" she continued to boast about her huge rack as she stood up. The table creaked audibly as it was relieved of the two mighty burdens. Amber's eyes went wide as Jackie lifted up her shirt, revealing an extremely overstuffed bra with the biggest jugs she'd ever seen outside of porn. The poor black and green bra was packed with titflesh, which threatened to tear the flimsy bra straps from her shoulders if she so much as breathed. "I didn't even know they made bras this size! I got lucky finding this one when I was at Bra City, 'cause they NEVER have them this big. Speaking of which, they have a sale going on today and please please please can I have a ride there?" Every repeat of the word 'please' was accompanied a mesmerizing bounce of her tits as she hopped in place.

"Can't, I got a lot of homework to do this weekend, and I need to start it as soon as I'm home," Amber said as she put the box of Froot Loops on top of the fridge. As she turned around, her breasts slammed into Jackie's much larger bosom, the younger girl having snuck up behind her while her back was turned. While she wasn't physically pinning Amber to the fridge, her massive chest pressing against Amber's B cups was intimidating enough for the older sister to remain put. Jackie was also taller than Amber was, a four inch height difference.

"If you can get past me, I won't bug you," Jackie said as she placed her hands against the fridge, on both sides of Amber's head, "aaaaaand if you can't, then you gotta be my little taxi driver for the evening."

"Jackie, I'm the older sister here, I tell YOU what to do, not the other way around," Amber said, doing her best to use a powerful, commanding voice despite the fact she was struggling not to gawk at Jackie's jumbo jugs, "Now, get outta my w-UGH!" Amber did not get to finish her sentence as Jackie playfully thrust her breasts forward, slamming them against Amber's own and knocking the girl against the fridge forcefully enough to make it shake.

"Sorry, what'd you say, sis?" she said coyly. As Amber tried to repeat her previous sentence in a more authoritative voice, her words quickly trailed off as Jackie began to lower the zipper of her shirt until a generous amount of cleavage came into view, "Jessica Matthews was showing off her cleavage to these guys, and then totally got red-faced when I walked 'round the corner showing way more cleave than her entire rack combined! And my zipper wasn't even halfway down neither. Sorry, I know I ramble. Anyway, we going now?"

"Let me grab my car keys," Amber said submissively after noticing Jackie's breasts looming over hers menacingly. Just one of the teenager's tits bigger was bigger both of her own easily. She knew she had no chance to budge Jackie out of the way, especially if what Jackie said about her tits weighing over a stone was true! She felt relieved when Jackie danced away to get dressed, her breasts jiggling more than a 1970s' bra burner.

-

When the girls entered Bra City, it was absolutely packed. They immediately went to the counter so Jackie could find some assistance. As Amber looked around the store, she noticed that there was not a single bra bigger than a DD, and even those were slim pickings. While she wore a B cup, she didn't even fill it completely. She had to stuff a couple tissues in it each day to keep up the rouse. A large A-cup would easily suffice.

"Hello, may I help you ladies?" the store clerk behind the desk said, her name-tag reading Malia. She had light brown skin, matching hair and eyes. She was tall, nearly the same height as Jackie who was at 5'10". Jackie leaned over the desk, resting her boobs on top of the surface once again as she smiled towards the lesser-endowed employee.

"I just need a couple new bras," Jackie explained as she examined the wall behind the woman, which was covered in bras just like the rest of the store. Frowning slightly, she asked the clerk bluntly, "Sorry to ask you, but... do you have any bigger bras in the back somewhere?"

"N-No... we don't." Malia stammered.

She had been caught off-guard at the question presented to her. She looked down at Jackie's chest and her eyebrows lifted in mild surprise. While this girl was indeed quite busty, which she could tell even from beneath the thick hoodie Jackie had worn, there was no way this girl needed anything bigger than a D at best. She was nearing the end of a double shift, almost 16 hours long, and a devious thought presented itself: she could play with this girl a bit. She knew they had received a special shipment of E cup bras, which almost no girl had ever been able to fill out so far. She needed a good laugh after such a long day standing, so she would see how funny it was watching this overconfident teenager struggle to fill out a bra way too big for her bosom.

"Actually!" she said just as Jackie was turning around in disappointment, "I just remember that we got an order this morning of a few bras. They're all E cups, a little... sizeable but they should do the trick..." Malia was doing her best not to snicker as the girl thought it over. Now she's gonna make up some kind of excuse to get out of trying it on, she thought to herself.

"Hmmmm, just Es, huh?" Jackie said with a small pout, which made Malia's eyes go wide. JUST E cups!? Just how big was this girl...

"An E cup is a pretty large bra to fill out, young lady," Malia assured, finding the girl's arrogance beginning to annoy her at this point, "I'm certain it's large enough to contain your ample breasts... if not TOO large..." she muttered the last words, hoping that Jackie would hear them.

"Very well, then, can you bring one by the dressing room then? I'll give it a shot anyway," Jackie said with a shrug as she made her way towards the dressing room. Malia's lips quivered in anger but she bit her tongue; she would show this brat that she wasn't as buxom as she thought!

-

"Ugh, damn! So close..." Jackie grunted.

Malia's arms were crossed as a large smirk appeared on her face. The changing rooms were designed so that there was a large partition covering everything from the bottom of the neck down, so all anyone could see was the girls' faces as they tried on their apparel. Malia leaned against the wall as she watched Jackie trying on the E cup bra, figuring that Jackie was struggling to fill the bra as best she could.

"What's wrong, is it a little too... roomy for your liking?" Malia said with a half-laugh, enjoying every minute of seeing the girl meet her match. Jackie grunted again, continuing to struggle with the purple-and-white striped bra.

"I wouldn't, uff, call it spacious," Jackie said as she began to wriggle her hips left and right, followed by a few tiny hops as her face was locked in a tight grimace.

"No offense, young lady, but you're acting a little smugger than your bra size would allow. Why don't you step out and I'll see if you can get away with wearing a DD?" Malia said cattily as she waited for Jackie's refusal.

"Sounds good... to... me!" Jackie said instead, again grunting after each word as she tried to pull the top upwards by its thin white straps. She looked unhappy with something, but eventually she pushed the curtain aside to show the clerk how she looked.

"OH MY GOD!" Malia yelled in a hushed voice.

The most obvious thing Malia noticed was that the bra was absolutely childlike when compared against Jackie's breasts! It was like a bra that was meant for a Barbie doll was instead put on a full-sized mannequin. The brassiere was pushing the top of her immense breasts way over the cups, with additional dosages of titflesh exposed on both sides of the outmatched garment. The straps did not even touch her skin, and instead hung midair ready to snap at any moment. It was fair to say that the 'large' E-cup bra was certainly filled to capacity by Jackie's tits.

"You still think I'm only a DD?" Jackie asked with a smirk as she continued fighting to fasten the back clasp of the overstuffed bra, but to no avail, "I was already popping out of my old F cup bra and meanwhile you're trying to squeeze me into this tiny thing!"

"B-But no one's ever filled this bra out before, much less overflowed it. I-I never would have dreamt that a fifteen year old could... ever... uh..." Malia was lost in an almost trance-like state as she stared at the sheer size of the globes completely straining the bra to its limits. They were were over double the length, width and depth of her own modest pair, as shown when Jackie took a step forward and eclipsed the clerk's bosom with her larger jugs.

"If you need more proof, then why don''t you measure 'em?" Jackie challenged, narrowing her eyes as she reached into her cleavage and withdrew a few inches of a yellow measuring tape, "You do measure busts, don't you?"

"I-I, yeah, but..." the woman was speechless, embarrassed that this big-busted teen was now flaunting her size even more! Jackie let go of the tape as it flew back into her massive cleavage, crossing her arms over her chest as her breasts were pushed upwards.

"Or you could just order me a 34F from your online catalog," Jackie placed her hands on her wide hips as she ignored the woman's bulging eyes. She was not fat by any means, in fact she was the very definition of curvy. Her hips made way for an ass that rivaled Kim Kardashian, and her long legs composed almost half of her height, "And toss in two G cups as well, 'cause I'm in the middle of quite the growth spurt lately. Thanks a lot, hun!"

As Jackie walked past the gawking clerk, she stopped after a few feet and turned around. "Oh, and I've probably stretched this way out but as you can guess, I won't be buying it today." As Jackie said that, she made the huge mistake of taking a normal breath. Immediately, the bra groaned loudly and the band completely snapped apart, narrowly dodging the employee as it slapped against the wall beside her as Jackie's mega boobs bounced into view. "Oops! I SO did not mean to do that!"
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Comments: 10

setmyr [2023-04-21 17:03:18 +0000 UTC]

👍: 0 ⏩: 0

chasbanner [2021-06-29 10:00:52 +0000 UTC]

👍: 0 ⏩: 0

Drac013 [2018-10-03 10:53:38 +0000 UTC]

Very good story. I like an idea of much younger girls overgrowing older ones. Though, sizing is a bit of her. 34F bust isn't as big as described

👍: 1 ⏩: 0

mammothwall [2018-09-09 06:20:17 +0000 UTC]

Are there more stories out there like this that you enjoy too? ones about younger sisters growing? This is a great story! Would LOVE to hear a second part or something else like this too!

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Valor8 [2017-10-17 00:50:57 +0000 UTC]

Please do a sequel!

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jame16 [2017-10-10 01:01:56 +0000 UTC]

This is great, some of the best stuff I've read! I'd love to see a second part.

👍: 0 ⏩: 0

Lancealot501 [2016-12-09 16:21:33 +0000 UTC]

Really interesting flashback scene. Its nice to start learning more about Amber and her little sister Jackie. We know that Amber has gone from a B to an E in four years so just imagine where Jackie is at now.

Is the next chapter going to focus on the fair or another flashback?

👍: 0 ⏩: 1

jsmith1995 In reply to Lancealot501 [2016-12-09 17:38:59 +0000 UTC]

The next chapter will be back at the fair. Although I am probably going to be reusing the Jackie character sometime, either as a spin-off or just some more one-shot stories later in the future. I like how she's a tom-boy and not so much a girly girl, yet still has a bigger rack than almost any other girl at her school.

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Lancealot501 In reply to jsmith1995 [2016-12-09 18:39:39 +0000 UTC]

Also i think you might have used the wrong word for the school measuring thing. You used breast augmentation which to me means a surgery to enlarge the breasts. So either it was just the wrong word or that school is highly dedicated to 'enhancing' the girls to 'outshine' others in curtain fields.

👍: 0 ⏩: 1

jsmith1995 In reply to Lancealot501 [2016-12-09 20:42:21 +0000 UTC]

Yes, I used the wrong word. XD I meant examination.

Thanks for noticing! Fixed.

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