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Rated: 18+ · Interactive · Fantasy · #1856712
Mad Scientist? A formula? Growth? Gee, how cliche can I get? Oh well, come in if ya wanna.
This choice: the next transformation  •  Go Back...
Chapter #6

A transformative outing

    by: john doez Author IconMail Icon
As the doctor examines them further watching as the boys continued to either play with the toys he left for them around the house as well as the games they played with one another, the doctor smiles as he feels as though they have gotten perfectly comfortable with their newfound changed bodies already. "Good...good... they're acclimating to the serum splendidly, in fact, As the doctor continues to examine their vitals he sees how his newfound adopted sons are pretty healthy with no sign of discomfort. Which was pretty clear as the doctor looked to the screen to see the two brothers playing wrestling with one another now. Their muscles gave them the desire to test each other's strength and it was surprisingly evenly matched.

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The doctor continued to watch the match ensue eager to see if there would be a winner, as Roby would tackle his older brother to the floor. The muscular foxing 10 year old smiles proudly, before surprise was apparent as Tobias lifts him up and tosses him to the couch. The force of the throw so strong it makes the couch slide a bit back but what further surprised the boys was how Roby landed on his feet and had great balance. A whispered 'Woah' from the both of them as the coolness of the action just oozed excitement, Roby then leaps up off the couch to shoulder his brother and tackle him to the ground again but Tobias dodges and trips up his brother. Roby's fluffy tail actually breaks his fall a good bit before he opens his eye's to see his older brother smirking down on him. Hands-on his hips looking cocky and confident, "Heh..that all you got little man.." Tobias teases as he sticks his tongue out at the younger bro. "Not yet!!" Roby responds with confidence as he rolls back towards Tobias and kicks him in his chest. The older brother is sent flying into the love seat in the living room also sending it sliding back. Tobias landed in it on his butt as if he was perfectly seated, if it wasn't for the fact the kick dazed him a bit. Tobias laughs it off though cause it surprisingly didn't hurt and he could feel his heart beat a bit faster as he rushes back into the fray.

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As the doctor watch all this he noticed how the clothes they spent so much time earlier to keep together were ripping apart, unable to withstand the roughhousing the boys were doing. It wasn't long till the shirts on their back were nothing more than just slithers of cloth that covered their bare muscular chests, and their boxers became long gone as their own hard-ons throbbed from the excitement. Their long dicks so excited infact that the doctor could see em oozing out a bit of pre-cum. The living room however was in better condition as their roughhousing lasted a good 30 minutes and counting, and all the furniture was tossed around in a manner that made it look as though a tornado passed by. With the couches shoved against the wall, the love seat from earlier was actually in a wall jutting out only slightly and somehow the table got stuck in the ceiling. The doctor chuckled at their playful destructive power, before deciding to hit record so he can watch the ending later, was probably about time he returned home.

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Returning back to the boys staring down in the wreckage of the living room, both stretching and excited for this final clash the boys rush at eachother clasping hands and trying to push the other down. However, this final clash has a more than unintended side effect as the tips of both boy's dicks rub against one another. A slow sloppy grinding session begins as the two boys end up enamored and more excited. The two bring eachother closer to feel the warmth of eachothers dicks sliding up and down their 4 pack abs, as the pre cum oozes down the shaft. "O-oooh...feels so good..." Roby moans out as his mushroom head drools out pre-cum. Tobias gritted his teeth as the delight feels him up from head to toe, his cock bursting with pre- as well that spattered onto both boys' chests. The two continue their slow grind, panting and moaning as they look eachother in the eye with their fox tails wagging behind them faster and faster. They can feel their triumphant climax draw nearer and nearer, as they grow close and grit their teeth to cover their moans. Their cocks are prepared to shoot at them as they point up, the door opens and the doctor steps in, and boy's cum goes flying. The two boys panic and cum at the same time as their hips buck letting each load release while being flush with embarrassment for being caught doing such an extremely naughty act. Not alone to add to the horrible mess they made of the living room and themselves with things being either sent into a wall or knocked over. The two cum covered youngsters stare at the doctor flushed red with embarrassment that the doctor can even see their tails hiding behind their legs. They look up at the doctor and just see the man doing his best to stifle his laugh.

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One rushed clean up using the power of science and robots later, the doctor takes the two nude boys into the kitchen, "Im glad you boys had fun while i was doing some shopping" the doctor teases, the boys still flush with embarrassment and wish they didnt ruin their clothes. The doctor can see it panted on their face, "All right how about we go clothes shopping?" the doctor suggests and the two boys smile before having a sudden realization. "W-wait..how will we do that...none of our clothes really fit us...?" Tobias asks as he points out the reason of their clothing issue, flexing his bicep and grabbing it with his other hand, the muscle hidden under the skin bulging up quite a bit showing how much of a muscle boy he was. The same in fact going for Roby who flexed as well, the doctor chuckles "Dont worry about that..." he presses a button and over the boys head flies a robot the doctor invented. It lets out a scanning light that grazes across their skin before making a simulation over the boys that hides both their fox parts. Atop of that it adds on mimicry clothes atop of them. "Woah..." the boys say in unison forgetting they have a super scientist as a new dad. "But..wait why do we need...clothes...then..?" Roby asks confused if they could do this , they wouldn't need clothes. "Its simple really" as the doctor gets up and places his hand on Roby's chest he can feel and see the skin appear. As the doctor goes lower and grazes his hand against the boy's softie and doing the same to Tobias they then realize a naughty truth. "W-we're still....naked...." Tobias flushed with embarrassment announces, he notices his tail appearing too as it wags before it took everything in his power to stop it. "Its only simulate clothes...not actually clothes, its as close to the real thing i have without being the actual real thing." The doctor continues before leading them outside. The robots that make their clothes hovering onto them to continue their simulation as the group walks out the house.


The more than unique family makes it to the clothing store, where a nice lady clerk greets them eagerly and with a smile. The two boys smile and wave back but get a bit flushed with embarrassment once more. As the boys search around for a new pair of clothes to fit them heading into the changing room right next to each other, they feel a familiar spark. "Mmm....R-roby...you feel that.." Tobias says doing his best not to pant and moan in public. Tobias sneaks into Roby's changing room to see the boy on his knee's lips bitten as he tries his best to hold back against the pleasure. "R-rrrrgh...yeah...it feels...good.." Roby groans out, he turns to his brother before his eye's grow wide. "Toby....the robots..." Roby announces as he notices the simulation they put on their body was disappearing. Leaving the two boys naked once more, the pleasure surges once more making them both get erect as they do their best to quiet their moans, a few gasps and pants slipping by as they begin to see it. With a puff they find themselves growing a second tail, like the mystic foxes of old before a third one appears as well. However, that wasn't all as their bodies bulk up even more, biceps swelling bigger and bigger like handballs, pecs jutting out even more to become literal shelves of muscles that cast a bit of shade on their growing 8 packs. Their butts become plumper with muscle as the boys legs thicken to boot. Like powerful tree trunks that held their sculpted bodies aloft, "R-Roby...its...happening...again..." Tobias moans out as their cocks finally throbbing bigger becoming a fist thicker and a foot n a half in length. "Toby...this feels so....goood...." Roby gasps out as he strokes his newly grown cock as their balls grow to follow suit becoming grapefruit sized and filled with newfound cum ready to shoot. An shoot they do as the two boys unable to contain the pleasure end up firing load after load of cum into the mirror as they looked at their newfound bodies. Inching up against the wall as the last of their changes goes to their height as Toby reaches 4'8 and Roby 4'4.

Both boys pant hard, their three fox tails cluttered against the wall behind them making an excellent cushion. "I...I guess we need to go back out to get new clothes....to shop.." Tobias says as he comes down from his high...."Why did the robots stop working for a second though...?" asks in concern before suddenly 'RECALIBRATING PARAMETERS ' was announced by the bots. Soon the simulation was back up and running once more as they found themselves 'reclothed' in a tank top and some shorts to show off their muscles. "Do you think dad would like the changes...?" Roby also asks. "I think..i think he'd like em yeah..." As the two boys walk out unaware of the further changes their bodies will go through.
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