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Cosmic Futas: A Giantess Growth Duel

 A cosmic clash of growth-hungry giantesses.

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Cosmic Futas Cover

Zafira is a titanic futa goddess—decadent, destructive, and hung as hell. In short, everything that Alia wants to be. And Alia is determined to take Zafira’s power for herself and smother her rival under her planet-dwarfing booty, consequences be damned. As their duel begins, the world becomes a hapless hostage between the cosmic giantesses, who care only for their own gratification and godly power…

How long can the planet endure the hedonistic futa giantesses and their endless expansion? What happens when the alien goddesses run out of free space to grow? And will Alia finally succeed in dominating her rival to emerge as the supreme mistress of the universe?

This 5,600 word story contains the following themes: Growing Alien Giantesses, Futanari on Futanari, Cruelty & Planetary Destruction, Growth Competition, Expanding Endowments, Exaggerated Climaxes, & Astronomical Sizes.

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Cosmic Futas:

A Giantess Growth Duel

Zafira filled the skyline. A country-dwarfing giantess, sexual and powerful in equal measure, she relaxed across a landscape peppered marked by a cataclysmic battle; by craters and debris of fallen spaceships that thrust out of the ground like bones of silver and smoke, miles long and yet insignificant next to the godlike Tantalan futa.

She had enjoyed the fight far too much. It was no secret; a whole world had heard her moans as she transformed, her gorgeous blue body bared to all as she grew into a titaness. And who could blame her? Not only did the saucy alien grow powerful beyond belief, her figure became more erotic with every toe-curlingly potent skywards surge, her hips and chest blooming as her limbs grew thick with muscle and curves. And in her sudden nudity, there was nothing to restrain the monumental spire between her legs, which grew bigger and harder as she fought the fleet of invaders, culminating in the inglorious destruction of the Metalloid flagship in a manner that would forever curse its engineers in the annals of history for shaping their engine of galactic domination in the approximate shape of a fleshlight.

Now the battle for the planet Arke was over and the newly minted goddess surveyed her domain with a frisky look that could only bode ill for everybody beneath her. And while the world shuddered to think of what the gigantic futanari was going to do with her cloud-piercing erection, the spaceship that had sent her into the fray, the Quixotic II, hung in the upper atmosphere, its decks erupting in cheers and champagne to celebrate their victory (and making hasty plans to deal with Zafira’s earth-shaking libido).

But Alia did not celebrate. As she pressed her face to the viewport, staring down at the azure giantess, the purple-skinned Ixian could think of only one thing.

It wasn’t fair!

They were on the same team, the same group of space-faring mercenaries. They were both futanari. Hell, the idea to use cosmic energy to grow someone big enough to snatch capital ships out of orbit had been her idea in the first place. So why had the commander selected that blue bitch for the mission instead of Alia?

And more importantly, what could she do about it?

Alia crossed her arms, listening in on the chatter around her as a plan started to form in her head…

“Is she going to get even bigger?” The Commander said, a note of incredulity in her voice. “That’s preposterous. Her ass alone has already flattened the capital!”

“It would appear so,” the ship’s doctor replied without looking up from the instruments. “She is apparently auto-generating the altered Entropic Energy. In her… testicles, if the readings are correct.”

“Is that why she keeps playing with them? We should tell her to stop that.”

“Commander, might I suggest not calling her attention to it? In her current state of mind, she seems all too happy to keep on growing forever, if she could. And,” the Doctor added in a lighter tone, “poor Alia might lose her mind if she had to see Zafira’s manhood above her for the rest of her life. Right, Alia?” He paused and looked around for Alia when her vitriolic reply failed to appear. “Alia?”

She had already left the bridge. “Sure, make your jokes,” she thought bitterly. “Make her monstrously big, let her wave that stupid, blue dick around the place, but offer me the treatment? Nooo.” She shook her head, strapping into an escape pod and punching her coordinates in. “No. I’ll have to do it myself.” The pod was a one-way ticket. That was all she needed. She hit the button and fired herself towards the planet, her pod streaking across the boundary of space and atmosphere so dominated by the shape of Zafira, a missile packed with the aggressive ambition to take her down. 

***

More than 200 miles of blueberry goddess lounged over the faint curvature of the horizon, comfortably relaxed in the afterglow that only fucking the pinnacle of planet-busting technology to pieces and spraying cum across half a continent could provide. Zafira smiled like a cat, stretching her arms with lazy gestures that nonetheless wreaked havoc on the landscape below her; even the faint wiggle of her wide hips as she slowly sat up doomed the communities that had escaped the destruction of her immense ass when she sat down, only to be crushed by a slight shift of her endless azure curves.

“Being a hero feels so good.” Zafira crooned, sliding her fingers lightly across the underside of her fat cock, the head of which lay nestled between her tits, drooling the last drops of her monumental cumshot onto her collarbone. “Too bad I already crushed all the Metalloids. But there has to be more, somewhere out there. Maybe I’ll find them if I get just a tiny bit… bigger.”

There was a burst of static on the radio waves that kept her in contact with the Quixotic II (powered solely by her psychic prowess, at this stage), which resolved into the voice of the Commander. “Negative, Zafira. We’ve got it covered, here—first, we’ll need to figure out a mode of transport, or how to shrink—”

That won’t be necessary.” Zafira’s lip curled into a smirk, several miles wide, as she stroked herself, her former team and millions more watching in rapt attention. “Don’t worry. I’ll take care of them all; but first, I need to take care of myself. Mh, fuck, my cock feels so good… In fact, I feel a new growth spurt coming on…”

###

How long can the planet endure the hedonistic futa giantesses and their endless expansion? Read on to find out!

If you liked this story, you may enjoy Zara Starfinder and the Giantess Core

Or check out all the other giantess stories in the catalog.

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