A whole bunch

Adapted from @vylriad's sibling branch - thanks for the great writing and scenario!

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"Would you rather have even bigger breasts, or a bigger butt?"

"I’ve got enough junk for two already. I’ll gladly take some more up top over more down low."

Her dress slowly rips even further down the center, exposing more of her growing cleavage. The top of her mouth watering melons swell upwards like rising bread. A makeshift V-neck forms from the rip that her expanding tits have created. The remaining taut fabric struggles to restrain her growing titflesh

Your mother's swelling breasts gradually rip the dress further, creating a window from just below her neckline down to your mother's sternum, letting you see the whole divide between her breasts. You note her stiff nipples peaking from behind the material that remains. She must've foregone a bra this morning. The swollen funbags look around twice the size of her head each. Oh, how you long to see them rip themselves free of her sundress. Wait a minute..

“Would you rather your tits and ass pleasurably grow until they explode out of your clothes or... rub your tits all over my cock right now?”

“I don't think sexual acts with my son are appropriate, I guess I'll have to explode out of the dre -- oh!”

Your mother's face freezes and she bolts upright as she's interrupted by her breasts immediately swelling even more rapidly than before. They advance outwards in all directions, sagging slightly as their weight increases. Her face flushes with a look of strained lust, and her mouth hangs open slightly in a silent gasp. She moves her hands to the underside of her growing globes as they quickly drop towards the tabletop. She closes her eyes, arches her back and moans in obvious pleasure, her tits jutting out prominently as they swell larger. You notice her hands lightly clench and knead the swollen flesh, and her nipples become even more pronounced, tenting the suffering fabric of her sundress. The individual threads of the dress's torso begin to unravel and lose their grip on her enormous melons. Squishy boobmass becomes more and more visible between the disintegrating threads.

Simultaneously, your mother appears to be getting taller, rising upwards in her chair towards the ceiling. Confused, you take a look underneath the tabletop and gasp at the sight - your mother's hips and ass are also rapidly expanding just as you wished. Her thick swelling thighs have already exhausted all of the available room provided by the hem of her sundress and are now also stretching the seams of its fabric. The ripping seams make the dress look similar to fishnet stockings, except instead of a criss-crossing pattern, the threads stretch in parallel around the circumference of her juicy thighs. Thigh meat bubbles between each of the strands, swelling larger and larger. The swelling flesh tapers upwards to meet a truly massive ass, each cheek easily visible from the front as it squishes up against the back of her chair. Your mother's ass spills over the edges of her seat as she surges higher. You see the tattered remains of the fabric that was somehow previously covering her gigantic ass fall limp down the sides of her chair.

Hearing a *snap* you quickly look back up above the table just in time to witness your mother's hands make contact with the table's surface, still cupping the underside of her swollen tits. With nowhere else to go, her tits start to push upwards against the ripped V-neck and also slightly outwards across the table towards you. Her plate of bacon and glass of juice are knocked aside by the advancing mountains. Constant *snapping* sounds punctuate surges of growth as her tits rip themselves free and spill out of the sundress, revealing their full glory. The few remaining threads clinging around her hard nipples finally give up and splay amongst the breakfast debris as her growth comes to a sudden wobbling halt.

Your mother, previously around 5’9”, now sits eye-to-eye with you at the table, her melons fully exposed and resting on the tabletop next to what remains of her breakfast. Her ginormous tits ripple and bounce gently as she removes her hands from underneath the massive mounds and allows them to land softly onto the tabletop with an audible slap.

“Oh dear, what a mess. I'd better clean all this up”

She starts to get up from the table, but you have other plans.

“Hey Mom?”