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The Impossible Program (closed for Peekaboo and I)

((Sure.))

"Probably best, don't want to freak her out too badly." He was still at the computer and used the History window to reverse the changes to Caroline before hitting Apply and then doing the same to himself. Their clothes also resized themselves back to normal which was helpful (Jacob had been under the assumption that clothing would only resize itself when worn, but the program must've remembered about them and undid the changes to them as well as to their bodies).

After getting changed, he grabbed his mobile phone and called Miranda. They'd met at the club Jacob goes to to practice kenjutsu (Japanese swordsmanship) and what she lacked in strength, she made up for in sheer speed. While sparring with bamboo swords, it wasn't so much that she dodged your swing, but it was almost like she was never there in the first place. At which point she'd crack you over the head from behind with her own shinai.

He didn't give any specifics, but that he wanted to show her something and that she'd like it. His vagueness had only annoyed Miranda, but since he wasn't going to say, she headed over to his place.

"So, what've you got to show me? I'm hoping it's a better character generator for Exalted than the one you showed me last week; damn thing only makes Solars and Dragon-Blooded."

"It's not that. Although I have found one that handles Lunars, now that you mention it. I was going to email you about it later. Anyway, come on upstairs. Caroline's here too; thought she'd like to take a look at this as well."

Miranda thought for a moment. "Caroline... Blone hair, purple eyes, about yea tall?" Jacob nodded as they went up the stairs. "Can't think of something that'd interest us both. Unless... you're not angling for a threesome, are you? Because it's about time!"

"That's part of it. Anyway, Caroline, you know Miranda?" Once the greetings were out of the way, Jacob went over to the computer and showed her the program and give her the quick run-down of it. Though before she could start expressing disbelief, he brought Caroline's breasts up to a G cup and hit apply.
 
Caroline giggled as she heard the female voice coming up the stairs, even talking about a threesome, oh this certainly was going to be fun, then waved to Miranda as the other girl came in. "Hey there. We haven't met but Jacob has told me all about you, hope he's told you about me" She chuckled, then sat up as Jacob went to give Miranda an explanation, then effected the same demonstration onto her as he had onto Caroline. The girl grinned as she watched the other girls chest suddenly start growing, though Miranda had been larger than Caroline to begin with.

"Oh come on Jacob....the same old demonstrations?" She nudged him out of the way to take control. "We can do better than that...." She smirked, then added another set of breasts just as large beneath Miranda's original set, and finally lengthened Miranda's hair to about 6 times it's original length, immediately clicking apply before Jacob or Miranda could interrupt. "There we go" She smirked, then turned to watch her handiwork in action.
 
Miranda groaned as she felt a tightening in her chest and her eyes bulged in shock as her breasts rapidly grew, her clothing adjusting for her now-ample chest. She stammered, trying to process what had just happened and removing her shirt to make sure that what had just happened wasn't a trick. She hadn't bothered with a bra that day and her heavy breasts bounced as they were freed from her shirt.

"Well for a starting demo it's either that or age regression and- hey!" he was surprised when Caroline moved him out of the way and started fiddling with the program. "Wait, what are you-" was all Miranda could say before the other girl hit apply. She made a short shout of surprise as her hair quickly lengthened til it pooled on the floor at her feet before groaning as her new set of breasts grew in, her original ones resting ontop of them.

"Okay," she said once the changes finished, now seeming to have gotten over the shock and finally wrapped her head around the program. I don't mind the extra breasts, but I think you're gonna have to lose a few feet of hair; this is just going to get in the way and I think I'm already standing on some of it."

"Gotta agree with her there, Caroline, the hair does seem a little over-the-top. And not the good kind of over-the-top like Brian Blessed's acting."
 
"Some people have no imagination...." Caroline chuckled then looked back to the computer, shortening Miranda's hair, though not quite all the way, making it now go down to just above her knees instead. "Just trying something different is all....though I've got plenty more we can go with.....but maybe that can wait..." She licked her lips, then looked over at Miranda. "My my....I always wondered what a girl would look like with 4.....whatever I imagined just doesn't stack up to the reality though..."

Slowly Caroline stood up, walking over and reaching out, beginning to run her hands across Miranda's lower set of breasts first, then slowly moving up to the top set, Caroline's own enlarged chest pressing against the other girls. "Feels good doesn't it? Way better than normal.....so much more sensitive...." She moved to suddenly tweak Miranda's nipples. "You wanna cum just from this don't you?"
 
Miranda let out a shocked moan as Caroline started to run her hands over her new breasts, all four nipples hardening instantly. "Oh god yes!" she cried before grabbing Caroline's head and pulling her into a frenzied kiss. When she was sure that the other girl wasn't going to be pulling away, she reached down and grabbed her ass, pulling their hips together.

"Got an idea in mind; you should like this Miranda." Jacob said as he hit apply on the program. Miranda's arms started to tingle before, starting at the fingertips, they started to split until she had a second set of arms sprouting from just under the first pair.

"Good thinking." was all she said before stroking Caroline's breasts through her shirt with the upper pair and using her lower hands to squeeze her ass.
 
Caroline didn't even attempt to resist the kiss, eagerly leaning in to return it, thrusting her tongue into Miranda's mouth and pressing tightly against her body. "Nnnngh....." She groaned, then watched as Miranda's arms split and became 4 instead of 2. "Nnnngh....that is strangely attractive...." She chuckled, then gasped as her own breasts were grasped along with her ass. "Mmmmm...." She licked her lips and started to grind against Miranda's body.

"Oh fuck this feels so good....it's like fucking with my breasts..." Her hard nipples ground against two of Miranda's, every flick almost triggering another orgasm in her, jolts of pleasure shooting through every nerve in her body. Caroline's pussy was so wet by this point that the fluids were pouring down her legs and beginning to pool around the two girls on the floor.
 
((I made this post under the assumption that Caroline got undressed about the same time Miranda took her shirt off))

Miranda's lower arms left Caroline's ass for a moment as she undid her skirt and let it fall to the floor before kneeling down infront of the other girl and returning her lower hands to her ass. Her upper arms continued to play with Caroline's breasts as she leant in and started to lick at Caroline's pussy, thrusting her tongue into the other girl and tasting her juices. And some of Jacob's cum that was still in there. Guess they decided to start without me earlier, she thought, not that I mind though.

While this was happening, Jacob had gotten undressed and lengthened his cock back out to two feet long and idly stroked the massive organ as he watched the two girls go to work. Miranda had her back to him, but it would be in full view of Caroline.
 
Caroline shivered and moaned as Miranda slid down her body, groaning as she felt hot breath against her soaking wet pussy. "Nnnnngh.....oooooooh that's it.....come on...." She licked her lips, then groaned loudly as she felt Miranda's tongue, her hips thrusting forward to Miranda's mouth. "Ahhh! Y-yeah! Ohhhhh yeah! That's a great tongue you've got there Miranda....Nnnnngh......why haven't I ever tried it with a girl before this? Oh fuck I've been missing out..."

She moaned loudly, then watched as Jacob undressed, grinning as his two foot cock sprang free, licking her lips. "Nnn.....oh yeah Jacob....why not put that to use hm?" She nodded down to Miranda. "It's not fair that I be the only one to feel it...."
 
Miranda stopped tongue-fucking Caroline for a moment and looked over her shoulder at Jacob, letting out an appreciative purr at the sight of his giant organ.

"Oh, I'd love to have a ride on that, but how about I finish up here first? You're fine to watch for now, right Jacob?"

Jacob smiled. "Don't worry; I think I'll be right for now."

With a quick, almost predatory smile back up at Caroline, Miranda dove right back to her pussy, licking and slurping at her juices while she brought a hand around from her ass to rub Caroline's clit. She wanted to make this girl cum her brains out, then she'd be able to concentrate entirely on getting pounded into oblivion by Jacob's monster cock.
 
Caroline just smirked as she heard Miranda's joy at the sight of such a fine cock, though she was slightly surprised the girl hadn't been even slightly freaked out by the size of it. Still, that would just make things more fun. "NNngh!" Caroline's knees shook as Miranda went back to work with her tongue, this time adding stimulation to her clit. "Ooooooh fuck!" She had to place her hands on Miranda's back for support, shivering and groaning loudly. "Ohhhh...y-you've done this before Miranda.....g-god we should invite your 'teacher' over here too....."
 
"Oh, I don't exactly have a 'teacher'," she said, replacing her mouth with one of her lower hands while the other kept working on her clit, "I've just taken what Jacob does and... modified it. Helped that I could find a girl or two to try it on for a little extra refinement."

She immediately buried her face back into Caroline's cunt, the hand she'd used to keep fucking her as she'd spoken went back to her ass, but with a different idea.

With her fingers covered in Caroline's juices, she pressed the tip of one finger against her asshole, gently pushing it into the puckered hole. She kept her attention on the other girl's reaction; if Caroline didn't want anything in there, she'd get it out post-haste.
 
"Nnnnnghyaaaaa! Y-your p-practice paid off!" Caroline moaned loudly as she thrust and ground her hips against Miranda's face, letting out a squeak as she felt the finger slip into her tight ass, before grinning and pushing back against it slightly. "Nnnngh....c-come on.....p-put it in a l-little deeper....oh fuck I'm so close Miranda.....j-just a little more..."

The girl was panting heavily, her enlarged chest heaving with every breath as she struggled to stay upright, supporting herself on Miranda's back to do so. "Ahhh....ah ah ah....th-that's it....right there....nngh.....ahhh.....f-fuck.....fuck gonna cum....gonna cum...GONNA CUM! CUMMING! CUMMING! I'm....I'M....CUMMMM-" Caroline cut off as she screamed in orgasm, her ass tightening around Miranda's finger whilst her pussy began to spray fluids over the other girls face.
 
Miranda worked her finger deeper when Caroline said to, her upper arms still squeezing the other girl's overgrown tits as her tongue and other lower hand kept up the assault on her pussy and clit. Feeling Caroline start to tremble as her orgasm approached, Miranda worked her finger harder into her ass, her tongue going into overdrive inside the other girl's cunt, her hand frigging her clit rapidly and her upper hands worked harder on Caroline's breasts.

She was quickly rewarded by a spray of fluid and the other girl's pleasured screams. She didn't slow as Caroline came, wanting to drag her orgasm out for as long as she could as she sucked up what juices she could, though plenty ran down her chest and over her four breasts. As Caroline finally came back to earth, Miranda stood up and put her arms around her to help keep her on her feet, kissing her and letting her taste her own fluids (which in itself wasn't a new experience for Miranda; Jacob had often done the same after eating her out).

She eased the girl down onto the bed, bending over her on her hands and knees, before looking over her shoulder at Jacob. "Well?" she said, wiggling her ass temptingly at Jacob and sure he could see her sopping pussy. "You gonna put that thing to use?"

Jacob laughed. "Keep your hair on." he said as he stood up. Then he paused for a second after taking a couple of steps towards the bed and remembering the change to Miranda's hair. "I'm sure there's a snarky comment I could make there, but I just can't think of it." Shaking it off with a laugh, he came up behind Miranda, who leant down to continue making out with Caroline, using her lower arms to gently caress the other girl's breasts.

She moaned loudly as she felt the bulbous head of his cock press against her pussy and lifted herself up so that she could look down between her and Caroline's bodies to see the massive shaft start to force its way into her. She twitched, bucked and cursed as the huge organ stretched her further than she'd ever been, her eyes bugging out at the sight of her stomach bulging to make room for it.

She was so overwhelmed by the feeling that she didn't notice him reach her cervix until he pushed through, the sensation of the giant shaft being so deep inside her and the sight of her distended stomach sent her over the edge and she howled as she came, her juices coating Jacob's cock, hips and thighs. Her thrashing as she came allowed Jacob to get the last of his cock into her and, after a few moments to let her come down from her orgasm and adjust to his size, started to slowly impale her on his impossible prick.
 
Caroline panted heavily as she came down from her orgasm, which had been drawn out to the maximum by Miranda's practically hyperactive tongue, before she easily fell back into the bed, moaning softly as Miranda's stimulation continued. "Nnnngh....." She slurped on Miranda's tongue, loving the taste of her own juices, starting to see just what Miranda saw in doing this to other girls.

When she felt Miranda lift up and glanced down, she smirked as she watched Jacob get his cock into position. "Oh you're gonna enjoy this Miranda believe me...." She licked her lips, then watched as Jacob started to force himself inside, gasping when she saw how much Miranda's stomach was bulging out. "Wow.....so that's what it looked like...." She licked her lips and chuckled as the rest of the cock was slowly forced inside, pushing Miranda's belly up and out. "Oh man Jacob.....we should've given you two of those things.....I'm almost feeling left out here..."
 
((Sorry for the slow reply; monster writer's block again))

"Good thing I planned ahead then." Jacob said, before muttering a command phrase he'd put into the program while the girls had been busy with each other and pulling out of Miranda, who groaned at the sudden feel of emptiness.

His cock thickened until it was nearly twice the girth it had been, before splitting in two. He now had a pair of thick, two-foot-long cocks - one over the other - and he lined the lower of them up with Caroline's pussy while lining his upper cock up with Miranda's and pushing both into the girls.

"Oh shit!" he groaned, the extra sensations from the second cock were more than he'd expected. Regardless, he braced himself on the bed, leaning over Miranda's back as he started to fuck the two girls senseless.
 
((No problem ^.^ We all get it from time to time))

"Always thinking ahead aren't you....?" Caroline chuckled slightly, then gasped as she watched him pull out and mutter something. "Holy shit...." She watched with amazement as the cock thickened from its already titanic thickness, before splitting and becoming two cocks, each as big as the one he had previously. "Oh man....this is gonna be....interesting.....this bed is reinforced right....? I recall we broke your last one without this program...."

Caroline panted and tried to relax as the cocks moved closer once again, then squealed as he started to push into them. "Nnngh!" Caroline gripped the sheets beneath her tightly as the cock pushed into her, whilst also going into Miranda at the same time, their bulging stomachs pressing against one another, a sensation Jacob would be able to feel. "AHHH!" The girl cried out in pleasure when he started to fuck them, Caroline's body just as tight as the first time, squeezing his cock with every thrust, every movement, every twitch.
 
While his bed was reinforced, the incident Caroline mentioned was more 'the straw that broke the camel's back' as the bed was somewhat old. Well, old enough for his parents to buy the 'wear-and-tear' explanation he'd used.

Feeling his cocks rubbing against each other through the girls' stomachs just spurred him on and he was soon slamming his full lengths into them as hard and fast as he could. Miranda was almost constantly crying out in pleasure and even as her pussy was ravaged by Jacob's monster cock, she ground her hips against Caroline's, trying to rub their clits together as she rubbed her upper breasts against the other girl's while her four hands just clung desperately to the bedsheets.
 
Caroline's eyes rolled into the back of her head as she felt all of Jacob's cock ramming into her, thrusting up and stretching out her womb, the tip of Jacob's cock pushing up against her breasts over and over. "NNN!" She moaned loudly when Miranda started to grind their clits together along with their breasts, her back arching and pressing her up against the other girl even more, at the same time her body squeezing Jacob's cock even tighter. "NNNNN! YES! F-FUCK US JACOB!! H-HARDER! F-FASTER!"
 
Somehow, Jacob was able to pound the girls even harder and faster than he'd already been, Miranda's screams raising an octave as he did.

Finally, the feel of both girls' pussies squeezing his cocks was too much. Just before it overwhelmed him, he wrapped his arms around Miranda and hauled her up so her back pressed against his chest, his hands on her breasts as his impossible cocks erupted inside the girls.

Miranda went silent, her eyes rolled back and her mouth wide open in a silent scream as her voice left her, her own orgasm rolling over her and making her thrash and spasm fiercely as her cunt was flooded with cum. The girls' stomachs quickly expanded to the point where they both looked like they were about to have quadruplets before cum started to force its way out of their over-stuffed pussies.
 
Caroline almost thought she was going to pass out from the force of Jacob's fucking, feeling that mammoth cock ram into her over and over again, forcing her body to stretch in ways she would never have thought possible, unable to comprehend right now that the program was almost certainly responsible for making it possible. All she could think of right now was the incredible pleasure running through every single nerve in her body, every part of her feeling like a clitoris being stimulated.

Her eyes widened as she felt that familiar sensation...that twitch and throb of Jacob's cock that always signified he was about to cum, then screamed as she suddenly felt the hot, thick fluid erupt into her, her own orgasm being triggered immediately, causing her pussy to tighten further. She howled with pleasure as her stomach started to bulge and expand rapidly, pressing against Miranda's as both of their bellys swelled up with his cum, their wombs being stretched to the limit, before cum started to burst out of their pussies around Jacob's cock, coating the boys lower half in his own cum and practically flooding the floor beneath him.
 
Finally, his cocks started to slow down. They were still loosing enough cum to put any normal man to shame, but nowhere near as much as before. He pulled out of the girls and aimed his cocks at them, more cum splashing across Caroline's front and Miranda's back. Miranda absently rolled onto her back, being rewarded with all four of her tits getting drenched in cum before Jacob's massive organs just started to drool the last of their seed.

As that happened, he climbed onto the bed and brought a cock near each girl's lips. Specifically, each girl got the cock that had been in the other one, letting them taste each other's pussy juices (or at least what small amount hadn't been washed away in the flood of cum). Miranda came back to her senses as the cock came near her face and she hungrily wrapped her lips around as much of the head as she could fit into her mouth, sucking on it and swallowing the last of Jacob's cum.

His orgasm having finally passed, Jacob dropped down so that he was lying between the girls, muttering the voice command to clean up his cum. His cocks were still both as hard as granite and ready for more, but whether he or the girls were in any state to take advantage of it was another story.
 
Caroline let out a grunt as Jacob's cock finally slipped out of her body, a torrent of cum erupting from inside of her all over Jacob's legs and the floor, shivering and moaning from the sensation of so much fluid pouring out of her all at once. She was still trying to catch her breath when Jacob brought his cock to her lips along with Miranda's. Whilst Caroline was too weak to really move, she could open her mouth and start to lick and slurp at the tip of one of Jacob's cocks, able to taste a mixture of Miranda's juices and Jacob's cum. "Mmmmm...." She ran her small tongue all along the head as best she could between deep breaths, though eventually tiredness began to overtake her. "Oh man.....I think.....I think I need to take a little break...."

Caroline's eyes started to flicker and close as she lay beneath the other two. "Don't.....mess with my body too much while I'm asleep...." She yawned, then dozed off beneath them, her tongue rolling out against Jacob's cock.
 
The three of them didn't wake up til the following morning. Jacob had been the first to wake up and, after a moment of shock followed by remembering what happened the night before, managed to get out of bed without disturbing the girls. He used the program to remove his extra cock and shrink the remaining one down til it would be 14 inches long when fully erect. He'd grow it back out later, but for now he just wanted something that wouldn't get uncomfortable. The three of them would be needing a big breakfast if they wanted to continue experimenting with the program.

Caroline would be the last to wake up and it would be from unfamiliar, yet very pleasant, sensations as Miranda gently ran her tongue along the 16 inch cock now jutting out from just above Caroline's clit. While it wasn't as big as Jacob's had been, it was a lot more manageable for the girl and thin enough so that, when she moved on from slow teasing, it would fit into her mouth and down her throat. Miranda had also removed her extra breasts and arms for now, though the breasts she still had were as big as they'd been the night before.

"Good morning," she said before going right back to the slow, careful licks along Caroline's new cock.
 
Caroline groaned as she began to stir, her eyes beginning to flicker open. At first she thought the odd, unfamiliar sensation between her legs was a dream. Then she thought it was simply the after feeling of having such a mammoth cock inside of her. It wasn't until her eyes opened up fully that she saw a throbbing erection right infront of her face, and as she followed it down the shaft she saw it was her throbbing erection. "Holy...." Her eyes widened, then she just groaned loudly as Miranda continued to lick at it. "Oooooh fuck! That feels good! H-holy shit Jacob......no wonder you men are obsessed with sex..."

The girl panted and started to thrust her hips up against Miranda's tongue. "D-damn....I'd want to fuck everything in sight too with one of these all the time....nnngh.....ahhh.....god your tongue is as good on a cock as it is on a pussy Miranda!"
 
"I should hope so," she said, "but once I get a nice bellyful of cum, I want you to eat me out and fuck me. Not necessarily in that order. Think you can do that?"

To punctuate her request, she slowly ran her tongue up along the underside of Caroline's cock - from the base right to the tip - while keeping her eyes squarely on the other girl's.


Downstairs, Jacob was in the middle of getting the toaster out of the cupboard when he heard a loud groan from upstairs. "They just couldn't wait, could they?" he said to himself with a smile.
 
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