Part 2 to the confrontation between siblings, commissioned by a friend and colored by  faszsetudja! Done by Caiman of course, another grand piece.

Inspired by the story I had written for the series, where Zofia is overwhelmed by the sheer amount of backside of her younger sister. Unfortunately the collateral damage is grand as the entire city below was flattened, Ela not caring for the sacrifices in the process of humiliating and degrading her sister. After all, it's a rivarly.

Story as follows:

Zofia Bosak was forced to watch in somewhat terror as her little sister was expanding in size before her very eyes, what was an equal match-up was rapidly being tipped in the favor of the green-haired Bosak. "E--Ela enough!" Zofia pleaded for the growth to come to an end as Ela herself merely smirked, looking downward at Zofia who clearly was in panic, as controlling the situation wasn't exactly on the table for her whatsoever anymore. Ela's assets were ballooning up, her breasts increasing in proportional size along with her height upgrade although the trait that was receiving the most expansion was undoubtedly her backside, clad in the tights she wore. While it was already massive beforehand, the rump of the Polish operator was growing so enormous that Zofia might have found it near comical if it weren't for the fact that it was rather intimidating, not wanting Ela to have so much authority as her grudge towards Zofia could easily resurface.

Zofia's nightmare was coming into reality as Ela's shadow was continuing to grow, the sun being eclipsed by Ela's own form once the growth process had been complete, Ela somehow managing to gain so much more mass as her older sister gulped nervously, looking upward into Ela's eyes. Without a single word, the larger giantess turned herself around as each step shook the Earth beneath her soles, the masses of land crumbling naturally due to the sheer amount of weight upon the Earth's surface. "Ela! Be careful! Please!" Zofia pleaded for her sister to be more mindful of where exactly she was stepping, the two sisters having already caused their fair share of destruction to the city below during each one's growth spurt, something Zofia herself regretted while Ela seemingly could not care less for the well-beings of its inhabitants below.

"I hope you've been really keeping your strength up," Ela spoke with her back facing Zofia, giving her sibling a view of that imposing backside that was truly gargantuan, Zofia just barely able to make out Ela's own torso and head past the sea of cheeks that loomed over her. With that, Ela began to lower herself slowly as Zofia quickly shouted with all her effort, "ELA! STOP!" yet words could not bring this beast to a halt, Zofia having to spring into action as she turned herself around in an attempt to save the city underneath her own feet. Planting one foot steady, her other was quickly placed within the city's boundaries, hoping that no one was unfortunate to be caught underneath her positioning although that was unlikely due to her own size, yet Ela's threat would be ultimately catastrophic for the people below.

In a short amount of time, the over-sized posterior came down upon Zofia's back, Ela being admittedly surprised that she was brought to a halt, deciding to up the stakes. Propping herself even more backward, the younger Bosak sat herself entirely on Zofia's shoulders and back, lifting her two feet off the ground to put the entirety of her weight on the poor hero. "Careful, Zo, wouldn't want this ass falling on the city now, or you...." Yet another wide and smug smirk spread from side to side on the giantess's face, crossing her arms nonchalantly over her large bosom, looking backward to check on Zofia who was entirely obscured by the sheer amount of ass having come down upon her.

"G--Goddammit it, Ela!" Zofia could just barely make out those words as it was taking every ounce of strength within her own body to hold Ela up, preventing her from collapsing down upon the city she was attempting to save. Ela's weight was imposing enough, let alone the two rotund and distended ass cheeks practically beginning to swallow up her sister who's legs were shaking in anguish. Zofia's arms were encompassed by fat, sinking underneath the definition of Ela's buttocks as an immediately warm was being generated between the two. It was not long before sweat began to form upon Zofia's forehead, dripping downward and falling onto the lenses of her sunglasses, being forced to deal with this bothersome development as removal of her arms and hands would spell certain doom for the city, let alone herself being flattened into a Polish pancake.

"Why are you even trying, Zo? Do you really think you can hold me up for much longer?" Ela scoffed, rolling her eyes as she was becoming unimpressed with her sister's valiant efforts, feeling that the inevitable would be coming soon enough as Zofia was already too worn out to even provide a vocal response. Her heart was racing as she could hear the various panic from the city below, mainly in the form of blaring sirens that even managed to reach her ears at her current size. Both her legs felt as if she was standing within a fire, the fatigue and pain overcoming them more and more with each second Ela's county-sized ass was squashed upon herself. As Ela foresaw, Zofia's face was becoming red as a tomato, being pushed past her limits at this point, unable to hold up her sister any longer, her legs buckling and causing her to fall upon the city below.

Of course, this caused a chain reaction of doom as Ela's own figure was coming down as well, flattening Zofia underneath it along with the city that was ultimately caught in the crossfire of this destructive sibling rivalry. The two cheeks along with Ela's thick thighs encompassed not only her giantess sister, but the entire city that was destroyed underneath both figures. The initial impact was enough to obliterate any and all structures within, let alone the people attempting to evacuate before it was too late, Ela showing no remorse as her backside jiggled heavily from the force of the fall. "Oof!" she simply uttered, having braced herself once she felt Zofia give out from underneath her, silence soon following as all those sirens and panic were brought to an end near instantaneously. "You're such a failure, Zo," Ela mocked the smothered and squashed woman underneath her rump, shaking her head in disappointment before smiling wide, showing some teeth. "Although I'm sure you can't even hear me underneath so much...well...me."

Deciding to add salt to the already gaping wounds, Ela began to buck her hips back and forth slowly as she was grinding against her sister, smothering her further into the surface of the Earth below. "Try not to suffocate down there! Wouldn't want to add another to the statistic you just created, sis!" Chuckling as her ego was being inflated to practically the size of her ass itself, Ela felt as if she was on top of the world, beyond the literal sense as her rump was pressured hard against her older sister trapped underneath it, Zofia unable to do anything but concede to Ela's own domination, the land beneath the two being further decimated as the remnants of the city were brushed back and forth underneath the two enormous ladies.

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