Fair Warning: silly huge levels of breast and ass expansion found within.
Free Breast Expansion Story
This is a parody of Mass Effect; I do not own the names, characters, or setting.
Illustrations by @jim_bazooka on twitter, used with the artist's permission.
A Lesson in Quarian Biology
“I don’t get it,” Tali said as Shepard returned to her cabin. “Why is your computer filled with all these pictures of scantily clad women?” The bottom-heavy quarian stood, hunched forward with an arm on the desk, wearing her form fitting bodysuit as always.
Just as Shepard hurried in to peel her away, already preparing your defences, she looked up at you and pointed at the screen with a frown under her helmet, clearly puzzled by the image of an asari with tits far larger than her own head floating around a pole in z-grav. “I mean, they’re all so flat. Is that really what you like?”
“Flat?” Shepard’s gaze darted down to verify that Tali had indeed penetrated into her hyper-expansion porn and fixed the masked woman again. “What exactly screams flat to you about that lady? I’m not sure she can even get through normal doorways - certainly, she’s bigger than anybody on the ship.”
“Hah! Are you serious?” Tali put a hand on her hip, showing her surprisingly cocky attitude. “My first bra would’ve made her blush. No offence.”
“Pretty bold claims for a girl who can fill a hand at most.”
“Shepard, please!” Tali tittered, waving modestly. “Don’t pretend you don’t know how much my suit holds back.”
“Holds… Back?”
“Oh, Keelah! You don’t know?” Tali studied Shepard through the opaque purple of her mask, a touch of impishness creeping into her posture as she leaned subtly forward. “I can’t believe that I get to educate you on xeno-biology. A virgin on Quarian matters.” She laughed softly to herself, tapping on the omni tool that wreathed her left arm in golden light.
“Tali, that is not appropriate.” Shepard prepared a reprimand, but left her mouth hanging open as her attention became glued to the young engineer’s chest. “Wait,” she said, in mounting disbelief, “are your breasts…”
“Growing?” You could almost see the sardonic smile on Tali’s lips through her mask. “Yes, obviously.” She thrust her chest forward, showing how bodysuit deformed around her mammaries, swelling swiftly from those mere handfuls that Shepard had dared disparage to proud, head-dwarfing melons. She hefted one, demonstrating its alluring softness through the increasingly thin layer of nano-woven fabric, teasing at the swelling bulge that had to be her nipple, big as a tea cup. “Technically,” she continued, “I’m decompressing, but I’ll save the academic clarifications for when you’ve picked up your jaw.”
“Holy hell, are those real?” Shepard swallowed, venturing a tentative poke at the rising orbs. “Tali, you’re as big as the asari in that photo.”
“Not for a few more seconds, by my estimate. But…” Tali held up a finger for another beat, then let it fall. “Now I got her beat.” She glanced down over her still smoothly swelling breasts, sliding her arms across the proud teardrops as they progressed past the size of prize pumpkins. Her suit continued to fill out with a strained creaking noise, the dark material yielding dutifully to Tali’s tits without any sign of breakage, stretching further and further to become a second layer of skin, so tight that every detail of her enormous, puffy areolas were visible.
Shepard should know, because she could not tear her eyes away.
Tali evidently knew, too, and simply let her friend stare, even as her chest took over the entirety of her torso, hanging to her hips with no sign of slowing down or evidence that their weight affected Tali in the slightest.
“Tali?” Shepard finally managed to ask.
“Yes?”
“Your breasts. They’re still growing.”
“Yes?” Tali repeated with infinite patience.
“Shouldn’t they… Stop?”
“Oh, Keelah.” Tali laughed. “You have no idea what magnitudes we’re working with, do you?” She took a step forward, instantly pinning Shepard against the wall, the heat and supple softness of her skin easily felt through the thin layer of fabric. The other woman could all but feel as Tali’s tits enveloped her. “I can see that I will have to be more thorough in your education.” Tali mused and tapped the chin-plate of her mask thoughtfully. “Tell me, Shepard, do you think my butt looks big?”
Shepard glanced absentmindedly over the mounds of boob trying to bury her, bodily worming her way upwards against the wall. “Your butt? I kinda have my arms full just dealing with your tits, here, Tali, that’s plenty!”
Still sounding thoughtful, Tali continued. “Ah, you’ll manage. And even if you won’t admit it, I have caught you staring before. But then, I did find some even larger asses in your image library.” She paused for effect, tilting her head slightly. “Or, seemingly larger.” Without a shred of effort, Tali spun around, instantly releasing Shepard from her busty prison. Then, resting her boobs on Shepard’s bed and flattening it under their rising weight, the golden light of her omni-tool flared again and allowed her to make the necessary manipulations to her suit controls. She looked back over her shoulder, giggling as she gave her wide hips a sensuous sway. “There’s no need to pretend to look away, Shepard. I want your honest assessment of my backside.”
Shepard steadied herself against the side of her desk, staring. “My… Assessment?” She said, eyes straying towards the exit, half-hidden behind the growing shelf of Tali’s breasts with a nipple wider than the door itself leading the charge.
“Shepard, pay attention!” Tali tossed her head in exasperation. “Keelah, I present my best asset to you and you can’t even focus for a moment? You really leave me no choice.”
A sudden sound of tearing fabric filled the air as, in a single heartbeat, Tali’s butt fattened immensely, her hips widening and her thighs growing thick and plump. In that one instant, dappled purple skin was visible, before the fabric’s nano-units knitted over the crack and restored the integrity of her suit. Evidently, this lapse did not put Tali in a better mood, as she craned her neck to look at Shepard as she bounced her growing ass cheeks in her hands. “Well?” She demanded, “is my rear sufficiently phat to hold your attention? Do I need to add more?” Despite the implication, her growth was constant, refusing to slow even for an instant, even as the beach ball-sized cheeks swayed and jiggled.
“Tali!” Shepard cried, genuine panic starting to creep into her voice. “This - this isn’t a joke anymore! That ass could crush me!”
“I should hope so!” Tali retorted, somewhat mollified. But mollified or not, her hips were so gigantic that it would take three of Shepard to reach all the way around, and her backside grew closer with every passing second, the lushly sculpted cheeks outlined perfectly in the tight, form-fitting fabric. “Why don’t you get a closer look?”
Shepard’s eyes darted towards the exit again, but the window had passed: Tali’s mammoth mammaries blocked the door completely. “Tali, you’re getting too fucking big! You have to stop growing. You’re going to fill this damn room!” She cried, gesturing at the wall of boob as it rose towards the ceiling.
“You are really not following me, are you?” Tali sighed dejectedly and pinned Shepard once more against the wall with a single thrust backwards, swallowing the woman up entirely in plush ass-cleavage. At this stage, the young engineer’s body was little more than the intersection between the four enormous, round shapes, her ass and tits crammed in against every surface of Shepard’s cabin. “I’m not growing, I’m decompressing. Simply letting the suit release my true size. And this isn’t big.” She took a deep breath. “This is.”
There was no time to react. Barely even time to scream. The cabin tore apart in an instant, rendered little more than tinfoil against the forces of Tali’s growing curves, tits and ass slamming through the bulkhead of the Normandy, filling the adjacent cabins without so much as a notable pause before continuing their rampage through the spaceship.
“Tali!” Shepard tried again, wedged deep into the Quarian’s backside. Behind her, the light at the end of Tali’s ass crack, her only hope of escape, moved away at a rapid pace, plunging Shepard deeper into the shadowy crevice. Her fat ass muffled the destruction, but not entirely. “What in the nine hells are you doing? The ship? You’re-”
“It’s an acceptable sacrifice. You have to learn, commander. I can’t have you ogling those petite asari bitches when I’m here.” Tali’s tits breached the outer layer of the Normandy’s shell, shredding the armor plating like a snake shedding it’s skin. Within just a few more moments, her curves had reduced it to floating debris, bouncing harmlessly off her titanic form. Tali sunk her arms into the vast tracts of breast all around her, murmuring lustily as she fondled herself. “I have to - mh - show you what big really means.”
“You already have! You’ve made your point!” Shepard managed to crawl up behind Tali, getting a view of her endlessly deepening cleavage. “Christ, just take a break and let’s talk about this!”
“Wrong.” The world shuddered around Shepard as Tali’s dangerously rapid growth accelerated again and the young engineer allowed herself an intoxicated breath of relief. “You’re impressed by my ass just because I could sit on the entire Normany? Please. I - ah, excuse me, I haven’t had the chance to let the girls breathe like this in a while. And see, now? Already, the entire ship wouldn’t even measure up to a single bump on my nipple, Shepard. And I have so much more left to go.” The insane rate of expansion seemed to back up her claim, though Shepard could see little more to reference as Tali slowly conquered more empty space for herself, meteors raining harmlessly over her left breast.
“More? Tali - I don’t - what’s the point even?”
“Like I said, to teach you about Quarian biology. Your ignorance about the most divinely voluptuous people in the galaxy is unbecoming.” She paused, then added with a bit of husky desire in her voice: “Plus, I wanted to show you my tits.”
Shepard fell silent. Exhaled. “Fine. Okay. So, you wanted to show off and you’ve made your point. You’re definitely the bustiest, most fat-assed girl I’ve ever seen with my own eyes. So… When do you stop growing?”
“Not for a while, since you keep saying that. I’m decompressing. Is it really so hard to understand that I’ve walked around with breasts the size of moons in my suit all this time?”
“In a word… Yes.”
Tali replied with a heated moan. “Mh, well, that’s too bad, because they’ve entered the classification of planets now. Though, they’ll be closer to the size of your Sun, soon…” Unfathomably thick thighs rubbed together, betraying her hedonistic joy.
“That’s not possible.”
“I’m pleased that you think that I could put on an illusion of this scale, then.” Tali chuckled and felt up her ass as it filled out half the solar system. “But no. Quarians are simply quite gifted. I will admit that I am larger than most, but still; if we did not wear our suits, you would view our fleet in quite a different way.” She smiled beneath her mask, leaning back languidly and easily sliding Shepard around her shoulder to sit at the cusp of the eternal drop that was her cleavage. “Ah, we’ve arrived. My decompression is at its end.”
There was a shudder all around them, vibrating Shepard to her core. “This is it? We’ve finally reached the limit?”
“Yes,” Tali said, leaning her face towards Shepard and continuing with a chipper voice, as the vibration transitioned into the sound of tearing fabric to end all fabric. All around them, Tali’s dark bodysuit ruptured, exposing her delicate, purple skin. “The limit of my suit compression. From now on, I’m going to truly grow bigger.”
The blood left Shepard’s face. “What?”
But Tali’s tits waited for nobody. Her astronomical curves exploded through space, shaking reality itself with the urgent need of their expansion, the unquenchable, erotic desire to become more, to become bigger. Her all-encompassing ass sat on the entirety of the Milky Way, smothering their home galaxy under her divine backside, as a handful of other galaxies, mere twinkles of multi-colored light, orbited her hard, swollen nipples.
Tali giggled through her mask, one of the only pieces of her bodysuit left intact. “You’ve babbled on about growing all this time; with all that teasing, how could I resist a taste?” She gave a breathy moan, working a cloud of celestial objects up between her legs as her form conquered space at a breakneck pace, adorning her naked skin with the jewels of the cosmos. “Another lesson on Quarian biology! We can grow - ah! - at will. Or at least, I can.” She mused.
“But what’s even left?! Tali, this - this is too-”
“Not much!” Tali replied swiftly, “and I’m going to fill that, too! Just another few moments, and…”
The impact of Tali’s unstoppable force meeting the immovable object shook them both wildly. Tali’s serene calm contrasted sharply with Shepard’s panic; she merely giggled as she noted that all of the universe had now been filled with booty and bust, her hard nipples scraping against the walls of reality.
A crack appeared.
“I wonder if God likes face-sitting.” Tali asked herself. “She’s about to experience it, either way.”
A moment of total silence.
Then, ear-shattering nothing.
Glittering shards of pure idea spun around Tali’s growing tits as her ceaseless expansion demanded more space where none existed, growing into the metaphysical realm of concepts. She felt one such make contact with her rear, naturally attracted, and could not help but laugh. “Did you know,” she started, “that every face-sitting that ever happened and ever will happen is now under my ass? Turns out that God does like that. Or wait, not God. Someone else. Out there. Are you listening?”
Shepard, too shell-shocked to deal with this sudden philosophical discussion, blinked rapidly at Tali. “What?”
“No, no, not you, Shepard. I’m talking to You.” The edge of her lip curled under her mask, and she leaned forward on her definition-shattering breasts. “You know I’m smiling, and you know why. It’s the same reason that you’re touching yourself right now. Because my tits and ass are becoming, and they’re spilling over in all directions, filling universes without effort. It’s just a matter of time before I hit your reality, see. And the concept of time is merely a pinprick between my godly tits.”
“Tali, I really don’t-”
Tali touched Shepard’s face. She turned into Tali’s mirror image, instantly forcing all realities to cope with twice the amount of hyper-curves where one set already made them woefully insufficient. Without missing a beat, she continued.
Now, before I fill this realm and burst out of the fourth wall, sending an unceasing tide of my gorgeous, purple curves through your shattered screen, there’s only one thing you need to consider.
How d̸̰̉o̴̬̊ you want me to smother your e̷̪̒x̸̲̙̖̠̩͐̏ï̸͔̞̲̗̹̻͌̔̿̀͒̊̿s̵͎͉̬̾̽̄ţ̵̞͍̻̿͒ͅe̸͇̦̒̈́̍̃̄̅͌͂ń̵̛̞̓̿͆̚͜c̶̛͉̠̘͇̈̿e̶̳̹̖̳̊̽͐̕?
With my ass? Or my tits?
Ṱ̸͔̖̘̓̿̐͗̿͘͘h̵̗̘͌̑̽͋ę̴̻̣̫̟̘̎̆́͗ ̶̳̭̪̠̹̀̐̆̅̉̓͛̈̋͒͗̎̈Ë̶̩̭́͂́̀̂͘n̵̢̡͇̜̜͉̜͙͔̎̇̑̑͑̀̇̽͒̀̏̓̈́̕d̷̖̦͚͐̎́͋́̀̏̆͒͛̽͋͆̇?̵̧͔͔͚̥̦̜̳̮͕͑͌̏̈́̌̄̀̋̓̂̏̚̕ͅ
***
If you liked this story (and your screen is still in one piece), check out the rest of my catalog of expansive erotica here.
Or for a slightly more sane touch of breast expansion, click here.
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