Editor's note: this story contains scenes of gay male sexual content.
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One day the Z fighters: Goku, Vegeta, Gohan, Trunks, and Goten all decided to go out to train somewhere in the mountains where their women couldn't pester them.
The five Saiyan's flew far into the wilderness, eventually finding a secluded enough spot to train. They began sparring, their clothes clinging to their inhuman physiques due to the sweat and heat building up from the practices.
This went on for most of the day, when they finally called it quits they retreated to a hot spring and began bathing. Goku, stripping off his clothes revealed his chiseled six-pack and when his pants fell to his knees, there hung a seven inch, smooth, uncircumcised, flaccid penis. Gohan and Goten followed suit revealing slightly smaller, but still impressive flaccid phalluses. Vegeta feigned ambivalence, turning away and stripping off his armor, not yet realizing that his little three and a half inch penis was at full mast. Then, finally Trunks stripped revealing an average penis hanging under a tuft of purple hair.
They all sat in the spring and relaxed, eventually Trunks and Goten began fooling around, their cocks flopping about as they splashed each other. Goku watching this display, began jerking his cock, reaching full erection, his cock standing at about 8 inches. He gripped his massive dick and began pumping, getting everyone's attention, including that of a few as of yet unknown spectators.
Goku stood up out of the water and stroked his fat cock, beckoning Goten over to him, his own cock also fully hard at about 6 inches. The youngest son began sucking his father, jerking his comparatively small dick viciously, cumming in seconds. Goku facefucked his son while gazing longingly at Vegeta who was sucking both Gohan's and Trunks's cocks, while his pinkie finger sized dicklet spurted little globs of precum without being touched.
Once their cocks were lubed up, Goku and Gohan bent both Trunks and Goten over the side of the spring. Their big, fat cocks pushed past the pink rings of the half-bloods asses, now balls deep in both Trunks and Goten. Vegeta climbed out of the pool and began fucking his own ass with a dildo made of ki, which was shaped like Goku's big, fat cock. The two penetrated boys came simultaneously as the two hung men flattened their prostates with each thrust. Goku and Gohan then fully mounted Trunks and Goten and began fucking their asses like jackhammers against concrete.
The boys were so overcome with ecstasy they didn't even realize they came thrice more, the cocks now shriveled up and dripping semen. The scene was so intense that Vegeta created another ki cock and sucked it off, his little dicklet spurting his meager load every few thrusts. They fucked throughout the night, by the end of it, Goten and Trunks lie spent and broken, made the bitches of Goku and Gohan. Now, the Saiyan prince lies on his back Goku's superior dick destroying his ass, while Gohan facefucks Vegeta, who's little dick came with every stroke from either side.
The men were so absorbed with their session that they didn't notice the monstrous form of a certain Saiyan make his way to the spring, his massive club of a cock swaying between his legs. The man smiled devilishly and his cock rose to full mast, a fist thick, 14.5 inch cock, with bulging veins, atop a giant ballsack with two tennis ball sized testicles inside. His ki radiated giving off a ludicrous amount of heat as he lifted Goten off the ground and pressed his cock against his asshole. Goten regained enough consciousness to see this MAN before him, far bigger than his father. The half-breed smiled and opened his legs as the giant Saiyan entered his thoroughly used ass.
Trunks saw this event transpire and crawled over to the beastly man sucking on his massive balls, while jerking himself off. Goten moaned as he felt the cock's base rest against his anus, his now shriveled, spent cock spurted a good bit of cum one last time before it began to shrivel up even more, shrinking to the size of a gumball. Trunks's orgasm came soon after he managed to get just one of the monstrous saiyan's tianic balls in his mouth, he came more than usual, his eyes rolling back and the taste of balls being the only thing he could make out.
The saiyan roared as he pumped his first load into Goten, the torrent of jizz being so massive that it sprayed out around the beast's cock. He then withdrew his monster cock, Goten came again, his little ballsack drained completely and his cock now shorter than his fingernail. The boy lies twitching in ecstasy while the form of the Saiyan of Legend hovered over him his cock even more engorged than before.
Trunks sat there his inferior cock at full mast, dripping precum as the giant saiyan pulled his testicle from Trunks's warm mouth. The monolithic cock hung in front of him, pulsating, Trunks licked up and down the shaft, his vision blurred by ecstasy. The son of the prince soon bent over, his well used asshole dripping cum. The monster cock then slid right up his ass, the heavy balls of the saiyan soon rested against his own now baby sized scrotum.
When the saiyans big, superior cock began moving in and out, Trunks's cock began spurting uncontrollably, he was becoming the saiyan's bitch, moreso than Goku ever could've made him. His eyes rolled back and the saiyan had Trunks ride his cock, eventually gripping the half-breed's hips and going as deep as he possibly could, forcing a mind numbing orgasm from Trunks, both the boy's cock and ass spasmed erratically, cum sprayed from Trunks's little dick. The load almost completely went into his mouth, which he eagerly swallowed, bouncing on his master's cock. His moans became louder, until the monster cocked saiyan pulled out and came all over Trunks, covering his front. The half-breed drank up as much as he could, fingering his spent, cock loving asshole. Trunks then crawled over to Goten and began making out with him, swapping their master's cum. They're little cocks now at full mast yet again.