Most people who laid eyes on Donna knew that the young Nidoran was destined for big things.

Even when she was a skinny 110 lbs, she had modest curves that hinted at her true potential to get truly bodacious-she had perky B-cup breasts and cute little round booty.

Andy, an Ambipom who was Donna's boyfriend at the time and an irer of larger ladies, had tried to coax out Donna's true potential. It had been largely unsuccessful until Donna's 18th birthday, when something in her biology seemed to change.

Donna suddenly began gaining weight, and fast. In two weeks, she had put on 20 pounds, gone up two cup sizes, and added a couple of inches to her hips and bum.

Another two weeks, a cup size, and 20 pounds later, Andy broke up with her.

Mari, Donna's best friend who was a fully-evolved Nidoqueen, had been a bit concerned about the Nidoran.

She had been in a slump for a few days after the breakup, which she had spent frequently at Mari's place, stuffing her face and putting on even more weight. It didn't make much sense to Mari, to be honest: Donna was pouting about her weight, fretting over her tightening clothes, yet she continued to eat like a starved Snorlax.

Must've been the hormones, thought Mari, who ed her own hormonal fluxes back then. Of course, as a fully-evolved 200 pound Nidoqueen, she wasn't one to judge her friend's eating habits. But she had never seen someone grow as fast as Donna was!

And it didn't help that she had found a new boy: an overly-generous Nidorino named Trav.

"Well someone's in a good mood" grinned Mari, as Donna walked into the kitchen with a spring in her step. Or rather, a bounce.

Mari had to it, the weight Donna had put on over the past few weeks since her birthday settled in all the right places. Though definitely a lot thicker looking than Mari was used to seeing Donna, the 18-year-old Nidoran was looking downright voluptuous!

"I swear, he's the sweetest" smiled the now 170 pound Nidoran, whose massive G-cup breasts wobbled in her low-cut top as she set down a box of pastries she presumably had taken home from her date.

Mari's eyes gravitated to her friend's cleavage, which was bulging out of her top's neckline. They were even bigger than Mari's at this point.

"I'm surprised he can look anywhere but there. Did you really have to wear your tightest possible top, Boobzilla?" chuckled the chubbier Nidoqueen, as Donna bit into one of the pastries, her arm unavoidably pressing against the side of her bosom and pushing her cleavage out even more.

"Give me a break, they're not THAT big" grinned Donna with a roll of her eyes, though she tugged at the cups which were clearly too small to contain her huge breasts. "Thanks for lending me your bra by the way...my D-cups just wouldn't cut it anymore!"

"...and neither can my DD's, girl. Those things are out of control. You're like, 2 cup sizes bigger than me and still 30 pounds lighter! How is that fair?!" gawked Mira at her friends wobbling melons.

"You've got the bouncing booty though" said Donna, still eating.

"Yeah? What do you call all this then?" said Mira, slapping her friend's equally large (if not a bit larger, damn it!) ass, which filled out her jeans to the brim as it stuck out proudly behind her. "I'm surprised he isn't sporting a permanent boner when your around, with you bouncing your assets all over the place!"

"Trav is a proper gentleman, FYI. And so generous with the food too...*URPP*, excuse me!" blushed Donna, unbuttoning her jeans to release her properly stuffed gut, which Mira had only just noticed. Donna's tits and ass tended to grab most of the attention, being the largest parts of her.

"Smart boy. Probably knows where most of those calories end up" joked Mira, blatantly squeezing Donna's giant breasts.

"Shut up" laughed Donna.

=====================================================================================

Mira wasn't entirely wrong about that either.

Though she was only 150 lbs when they first met, Donna's curvage was more than adequate-36 DD/E cups, balanced off with a perfectly round booty, was nothing to scoff at. Trav had seen her potential even then, something her ex, Andy, had not.

And so Trav's generosity with his girlfriend was paying off...both figuratively and literally. He'd noticed a steady increase in the number of fans lately, and he was pretty sure it had to do with his increasingly curvy new co-streamer.

"...and upon popular request, Donna's back for more streaming fun!" announced Trav, as he scooted over the couch to make room for his voluptuous girlfriend.

Now a very healthy 190 lbs, Donna was literally over twice the size of her 90-pound skinny boyfriend.

"Hey guys!" she said, plopping down onto the couch and making her heavy H-cup breasts bounce tantalizingly for the camera.

She squeezed into Trav, who wrapped a skinny arm around his girlfriend's plump waist affectionately, as the side of one of her massive breasts pressed against his own skinny chest.

"Trav got me this cute little top, what do ya'll think?" asked the busty Nidoran, angling the webcam so her massive boobs filled the screen, the words "Trav Gaming" stretched across the snug-fitting top. The outline of Mari's undersized DD-cups digging into Donna's oversized H-cups were obvious.

The response was several comments of approval, and even a couple of dollars in donations.

Donna giggled, leaning back into her seat and helping herself to a bag of cookies Trav had bought her.

She was actually quite stuffed, and leaning back made her brand new tank top ride up to show her belly button and somewhat bloated gut.

Spying her own image in her monitor, she arched her back straight and sucked in her gut, which succeeded in thrusting her hefty bosom forward even more, stretching her top.

Not to mention causing her huge breasts to bulge against her boyfriend's face a bit, giving viewers a sense of their enormity-they were bigger than Trav's head, for Pete's sake!

"It's not that bad, is it?" she asked her fans.

The response was a resounding "NO!"

Smiling, she settled back down, grabbed her controller and stuffed another cookie into her mouth.

"Aww you guys. But I swear I'm going on a diet and hitting the gym with Mari next week!"

=====================================================================================

But Donna didn't go on a diet the following week, nor did she accompany Mari to any of her workout sessions.

Nor did she the week after that.

Instead, Donna was spending increasing amounts of time with Trav. He was indeed quite generous when it came to Donna's food. He always seemed to be swinging by to take her to some new restaurant to try. Whenever he'd come over for movie or game night, he would bring a take-out feast. Even when he wasn't hanging out with Donna he would make sure to drop by and supply her with treats.

The result?

"Guyssss....be honest..."

Another 30 pounds of curvage finding their way onto Donna's burgeoning, blossoming figure in the span of 2 weeks.

"...am I getting FAT?" she pouted, as a massive pair of now J-cup breasts, sitting on top of a plump and quite stuffed belly appeared on the livestream screen.

She had just come back from another food-filled escapade with Trav, and had squeezed herself into the increasingly tight Trav Gaming top from a couple of weeks back.

It now rode up her belly, showing her belly-button no matter what she did. And the neckline had stretched in desperation to accommodate her now even more enormous breasts, as her cleavage was now bulging out the front. It was quite a sight-Donna had done without a bra, which meant her slightly stiffened nipples were obvious. It was also amazing how firm and plump her boobs looked even uned despite their size, a sure sign of her good genes.

She was still streaming on Trav's channel, though lately she had been doing so even without her boyfriend present. Though when she streamed solo, she tended to spend more time eating than actually playing games...which curiously enough, her viewers didn't mind.

In fact, they found a whole new demographic of viewers, totally uninterested in games but totally interested in Donna, were beginning to populate their feed. This particular demographic tended to come online only when Donna was solo-streaming. Neither Trav nor Donna minded though-they were quite handsome donators!

Boobs and belly dominated her livestream camera, and above her feed the question "Do you think I'm getting too fat?" flashed.

But sudden resurgence of body-consciousness was triggered when Mari pointed out that, at a very healthy 220 pounds, Donna was now even heavier than Mari herself-once considered the "big girl" among the two.

"I mean, honestly guys...the food at that burger t was just soooo good..." she frowned, looking down past her huge breasts as she peeled up her top to fully-expose her stuffed belly. She ran a hand over its warm, wobbly, yet definitely full shape. It was so full of food it actually matched her giant boobs for once, which were normally the part of her body that stuck out the furthest in front of her by a long shot.

"It's not...too MUCH...is it?"

The neckline of her top gave a reply:

*Shrriiippppp!!!*

A small tear appeared, a confirmation that her boobs were now officially too much for it to handle.

Donna gasped, blushing a little at her own formidable rack, which looked absolutely massive from her point of view, each J-cup filling breast bulging out away from her. She had never felt more...HUGE. And yet...

She looked over at the comments, and saw a flurry of positive activity, and the donations started pouring in.

'You ain't fat-you THICC!'

'Now that's a proper Nidoran FEMALE!'

'Curves upon curves, definitely not too much!'

'You're a CURVY GIRL!'

And on went the comments, singing praises of Donna's billowing bodaciousness.

Some even went as far as to encourage her to add to her vavavoom voluptuousness!

'Keep growing those curves, and we'll keep the donations coming!'

'Imagine what those things would look like with another 20 pounds!'

'Please: DO feed the model!'

Donna couldn't help but giggle, yet at the same time feel happy at the .

Not to mention a bit more...daring.

"Seriously...even bigger?" she giggled as she stretched her arms up, thrusting her chest forward proudly and making the rip in her neckline grow ever-so-slightly as her J-cups bulged forward, nipples taunt.

"Do you guys know why I'm not wearing a bra today? Because I broke the DD-cups Mari has been lending me! And you want me to get even BIGGER?" she grinned, smiling at the camera past her mammoth mammaries.

The donations and likes flowed like a waterfall.

=====================================================================================

That night seemed to be a turning point for Donna. The realization that her fans didn't care how much "curvier" she got-nay, that her fans wanted her to get even "curvier"-was like a weight lifted off her shoulders...and transferred to her burgeoning bosom, booty, thighs, belly...

That, plus her long overdue evolution into a Nidorina over the weekend, meant a double-catalysis for rapid growth.

Real evolution was a gradual process which ran its course over a few days as physiological changes took hold over the individual, usually accompanied by hormonal fluxes. For many females, increased appetite and weight gain were not uncommon.

Luckily for Donna, she was staying over at Trav's place when her evolution kicked in. Which meant she had someone around to make multiple trips to food stores to satisfy her hormone-induced hunger.

Trav was more than happy to oblige, as he watched his growing girlfriend's curves swell before his very eyes.

"...they're so tender" moaned Donna, who was beginning to look more Nidorina-like by the day.

She looked down at her now 250-pound body, particularly her swollen now even more gigantic KK/L-cup breasts which were stretching her top.

Trav peeled the tank top upwards, allowing his girlfriend's monumental mammaries to spill out, sagging to the sides of her plumpening belly due to their own weight.

"Jeez Donna, you've always been busty but...damn!" he said, heaving one of those monstrous breasts, wobbling them heavily which sent waves of jiggling even down her plump gut and thick thighs. He heaved that giant breast up as he put his lips around her taunt nipple, sucking it.

"Mmm that's better" she cooed, watching her boyfriend suckle her giant tit. She reflexively reached for some pastries nearby, proceeding to eat as Trav fondled her bulging curves.

That was how they spent Donna's days of evolution.

=====================================================================================

The evolution came as a surprise to Mari, who had been away when it happened. Donna had stayed with Trav throughout the processes, ever the caring and generous boyfriend, had made sure to address Donna's enormous surge in appetite following the outpour of hormones that accompanied the days of evolution.

So when Mari finally saw Donna, who was a couple of days into her evolution, the nearly 80-pound difference was definitely noticeable.

"...ohmygosh Mari, now I know how you felt when you evolved. I'm like, always starving!" said Donna through a mouthful of pizza, as she and Mari sat at the mall's food court that afternoon.

Mari couldn't help but gawk at her newly-evolved friend.

The now 295-pound Nidorina looked massively thick, like someone had pumped Donna's already imposing curves with heavy cream, swelling them to ridiculous proportions. And it didn't help that Donna had chosen to wear pretty damn revealing clothes too, which barely contained her engorged curves.

Donna's massive booty, which now dwarfed even Mari's formidable donk, was bulging out of a pair of tiny short shorts, booty-meat spilling out the top and bottom. It also spilled copiously over the sides of the stool she sat in. Mari was contemplating fetching her friend a second stool, one for each of Donna's fat ass-cheeks which would've filled it up easily.

Hefty love handles and a plump gut poured onto her huge, fully-exposed thighs, but her waist was really the narrowest part of her hourglass figure. Even though her fat belly was fully exposed thanks to her audacious choice of clothing (a crop top!), it went largely unnoticed as it sat in the shadow of her now truly monstrous rack.

Leaning forward as she sat meant Donna's now gargantuan MMM/O-cup breasts were resting heavily on the high table they sat at, taking up most of the space and treating Mari (and many a er-by) to eyefuls of her overflowing cleavage and bra. Yes, the J-cup bra she had on still survived, but was clearly too small for breasts 5 cup sizes too large, the cups overflowing.

And she was still growing, by the looks of things.

"I didn't eat THAT much though Donna, to be honest..." said Mari, as she watched Donna shove a fistful of nachos into her mouth in between bites of pizza.

"Oh. Well Travy was sweet as always, always keen to get me whatever I wanted!" she said happily, licking her lips and fingers of melted cheese, as she reached for some chicken wings.

*SMACK!*

Her monumental tits accidentally knocked over a nearly-empty cup of soda, soaking her taxed crop top.

"No surprises there. The boy musn't know what to DO with you!" said Mira, watching her overly busty friend wipe her moist top with a napkin, causing her gargantuan MMM-cups to wobble heavily.

"He's certainly enjoying all this Nidorina" winked Donna, shifting her overgrown ass in the too-small seat, which creaked.

He certainly was, as that same ass was later spread out on the bed, as Trav pounded through it.

It was a good thing he was relatively well endowed for his size. There was just so much booty-meat to get through before he got to her pussy, a lesser male would have trouble.

'Gods that is a fat ass' he thought as he entered, his hands sinking into Donna's vast, fleshy hips for leverage. Her butt was so huge it seemed to be as wide as four of him, and it bulged all the way up his torso to his chest.

She was literally three times his size now, after all. The 295-pound Nidorina seemed to be enjoying herself though, moaning as her 90-pound boyfriend fucked her from behind.

She felt her oversized booty swallowing him up, her fat ass-cheeks smacking heavily against his lithe torso with each thrust. She felt it all jiggle-her huge ass behind, and her massive tits and well-fed gut hanging-all of it bouncing and wobbling.

When it was all over, Donna was starving again, and she was craving something sweet.

Trav was happy to make the quick trip to the convenience store down the road, loading up on whatever sweet treats they had.

When he returned, Donna was just emerging from the shower. She had managed to squeeze her billowing curves into a too-small pair of boxer shorts and a formerly loose-fitting spaghetti-strapped top that was now so tight on her, its neckline had torn to accommodate her giant boobs.

She lit up at the sight of her boyfriend and his bag of treats (Trav chuckled, knowing it was mostly due to the treats!) and bounced over to him, her hips swaying massively and her tits shaking heavily. Gods she was such a thick girl.

"I can't believe you're still hungry, Donna" he smiled, as 295 lbs of Donna settled into his lap, her curves pretty much smothering him whole. He reflexively wrapped a skinny arm around her thick waist, squeezing an exposed love-handle as she tore open a syrup-drenched pancake sandwich.

"Mmmm...you know how us newly-evolved girls get babe!" she pouted, looking down and seeing her boyfriend's head looking positively tiny next to her monstrous rack. Her tits really were getting enormous, and she had shown just how much by totally engulfing his lap (and his sizeable manhood) earlier that evening.

"I also read somewhere this surge of hormones goes on for a few days after evolution" she added, syrup trickling down her little double-chin. "So prepare yourself for even more Donna" she winked, pressing her gargantuan chest into his face even more.

"Sometimes I still find it hard to believe this is only your FIRST evolution..." he gulped with a smile, as those MMM-cup breasts smothered him.

As much as he loved Donna's expanding curves, he couldn't help but feel a bit overwhelmed. She was growing so fast. In the back of his mind he wondered: if this was how much Donna grew as a Nidorina, what more if (and when) she evolved into a...Nidoqueen?!

Trav pushed the image of a monstrously fat Donna demanding to be fed as she thundered towards him out of his head tentatively.

=====================================================================================

Trav had prepared himself for the residual hormonal surge that lingered after evolution. He had read up on it himself, and learned that a lot of a girl's weight gain occurred during these last few days.

And in Donna's case, it certainly was true.

"BUUURRRRRPPPPPPPPPPPPP!!!!!" went the now 500-pound Nidorina filling up the couch next to Trav.

In her reclined position, she looked even more enormous than usual, with her massive breasts bulging against her own double-chin as they sat heavily atop her stuffed belly, sagging weightily to the sides though looking as swollen and fat as could be for their size.

Trav reached across the front of his girlfriend's overfed gut, which was quite exposed from her undersized top. That was a bit of a challenge, not just due to its sheer mass, but also because her vast hips put considerable distance between them, and her huge booty boosted her higher than him when they were both seated.

"Moreeee babe" she pouted, looking over one of her gargantuan breasts which was falling out of her torn, rapidly-failing top. Her nipples taunt against its fabric, Trav could even see her areola now since the neckline was so ravaged trying to contain her massive tits.

"Wow Donna, you're STILL hungry?" he gasped, rubbing her wobbling gut as he gazed over at the emptied boxes sitting in a pile at her feet.

"It's only my EIGHTH box this afternoon babe" she grinned, her vast cleavage wobbling as she shifted in her seat, the couch buckling under her weight.

"The doctor says my hormones haven't stabilized yet...which means I'm still growing...BUURRRPPP!!!" she went, letting out another healthy belch as she folded her fat arms behind her head lazily, awaiting another treat.