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Filling His Brother

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Written by Arian Mabe (Amethyst Mare)

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Blake moaned beneath his brother, the anthro bull pinned back on his bed with his legs pushed all the way up to his shoulders. It was a move and a motion that, truly, only a creature like an otter (or something similarly bendy) should have been able to match up to. But there was nowhere else for him to go with his sharp horns digging back into the pillows, his hips raised and his tail hole well and truly plundered by his little brother's not so little cock.

Zane hissed, the two blue-grey bulls seductive, yet there was no question at all as to which of them was the more dominant of the pair. His younger brother had always been the top and, well, the family knew that they were still close, living together as they moved into their early twenties. It was just something, however, that the two bulls kept between one another as something that only they needed to know about, something special indeed when one could take the other's cock, moaning out their name over and over again.

The older brother allowed himself to be borne back, Zane's paw closing around his horn - as if he needed to show off any more dominance as he thrust and ground. There was something that he needed, something so very desperately craved, and Blake groaned deep in the back of his throat as his head swum, barely with himself in the moment. He wanted to be right where he was, his tail trying to flick and thwap, his anal ring closing down around his brother's cock even as he moaned out for more.

"Oh, god, Zane..."

Blake twisted his head back and forth, the bull's tongue pushing out as he panted.

"Please... Fuck... Harder..."

Zane rumbled a chuckle.

"You need it... Fucking, slut."

It was crude and it was harsh and it was everything that Blake needed as his tail hole was crammed full, anal ring pulling with pain that was swiftly overcome. The driving pleasure could not be denied after all as his brother's meaty bull-balls slapped against his arse, the rounded curve of his buttocks begging attention. They would face the palm of his paw, groping wickedly, later, Blake was sure, but there were other delights to be taken before even that.

Zane snorted, head thrown back, eyes wide and wild with an edge of white. There was no holding him back as he shoved every last inch of dick that he had into his brother, grunting and rocking, aching for it all. His orgasm rolled forth in a bull's bellow, nuts churning, but those huge balls had so much more to offer than met the eye, his brother's need swelling up from so very deep within.

For there were secrets too that Zane held close that only, truly, his brother knew of.

The first spurt of cum filled Blake's anal passage, thicker than that of any other guy that he'd slept with, though that in itself was not unusual. What was different about Zane was that the bull just kept on cumming and cumming, giving the impression with each and every spurt that there was a never ending stream of cum to flow forth, pumping him full. Yet it was Blake that had to take every last drop of that creamy load, shooting up under his tail, his backside aching for it all. As much as his tail hole tried to squeeze down around that massive length, there was little he could do, even then, but to bear through it, rocking his hips up, wanting more and more.

He got it too, all of that cum blowing up his stomach, his lower abdomen swelling, guts gurgling. There was nowhere else for his cum to go, bar the few drops that slopped messily out of his strained hole, deeper and deeper, pushing up so far inside him that his belly ached. Yet it was an ache that Blake yearned for all the more, his paws on his stomach, trying to feel every spurt that poured into him. It was too quick for him though as his belly filled to the bulge of a rugby ball, bigger again still, up to a football and bloating out more and more and more. There was no stopping it and he still wanted more, trying to move his legs even further apart so that there was as much room for that dose of seed as could possibly be true.

"Take it all..."

As if Blake had any choice in that one as he moaned, trying to rock his hips up and not finding him able to thrust and grind higher still. The bull's tail twitched as his belly ballooned, up to the size of a beach ball, something larger than usual but one that he could toss back and forth at the beach, if he was under less erotic times. Zane growled like a predator as he bore over his brother, a dominant paw driving his horns all the way back, grinding and thrusting still as he spent every last drop that was possibly in his nuts.

Yet there was always more to cum as the soft rise of his brother's stomach bloated and inflated, pumping up and up with cum, yielding and squashy, spilling to either side of his body. He was more than heavily pregnant, in appearance, but he needed it all, groaning softly, his own orgasm spent across his swollen belly as almost an afterthought, though the pleasure of it still coursed through.

Yes, yes... That was right. He was a slut, just a needy cum-slut for his yearning brother, his dominant stud of a brother with balls that could cum for days. That was why he found himself on the bottom so much, his legs getting in the way of his bloating belly, bearing down, though there was nothing he could do about that with his brother on top. Truly, he didn't want to have anything to do with it, not when his guts gurgled so wonderful, the stream of cum tapering off at long last. Yet he still wanted more.

"Slut..."

Zane pressed down, twisting his head and forcing him to submit. Blake groaned, his brother's musk flooding his nostrils. Everything was perfect, his belly rumbling as it took his little bro's load.

Was there really any better place to be?