Buster's Upgrade Part 2

Story by killenor on SoFurry

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a BuyMyNaNo commission for Katoria, a continuation of Buster's Upgrade.


Busty had just been made; something new from something old. Twenty years of play still resonated within her head as the memory of who she had been made way for the new program her master and best friend had inserted. At first she had worried that this might have been a bad thing, or some sort of punishment for failing her master, Joseph. But the admiration that shone in her master's eyes reassured her that he was proud of his creation. Proud of how he had been able to take the old technology that had been Buster the stuffed bunny and turned him into Busty the beautiful vixen. She had been templated on the old 'PlushPet' toy design, but new to her were the software upgrades and enhancements that came with the added stuffing that filled her new body.

The new programming kicked in, rewriting all of Busty's behavior protocols, programmed responses, and dictionary files from the old setup that had governed Buster. She now had no worry about having been turned into a genderless, yet male-behaved, bunny toy to the quite-lifelike and very feminine vixen she was now. Her first response, the confirmation of the rewrite, was the first thing out of her now-articulated mouth.

"Busty PlushPartner response 0000001A. Master Joseph, I am online, fully operational, and I await your desires."

This was new. The old memories of Buster conflicted with the new personality. Unable to reconcile the emotions and desires of her old life were still present despite her new behaviors. Somehow, the conflict worked its way through to the surface... an expression of the old life but piped through the new system to make something new.

"Is there a new game to play today, Master Joseph?" Busty said in a surprisingly seductive tone. A tone that the Buster mind was completely unfamiliar with, but that the Busty protocols understood inherently.

Joseph's head snapped around from the computer monitor, staring oddly as his creation had done something completely unexpected. The only thing obvious, of course, was the life-sized nude vixen that looked quite like a life-like stuffed toy, sitting completely still upon the table. Still, despite this unscripted phrase that was shockingly familiar, his scientific curiosity was piqued. He decided to just go with it.

"Why yes Busty," he said, "We're going to have an impromptu test of System 18 now."

"All System 18 protocols active" Busty recited, "Diagnostics read positive. Integrated sensation and response directives loaded and understood. You may begin when ready."

"Wow... I have got to make that sexier somehow," Joseph muttered as he began undressing himself.

"Are you getting ready for bed now Master Joseph?" Busty asked unexpectedly, again tapping into old systems to gather the response to his disrobing, "Or perhaps a bath?"

Joseph laughed to himself, the first genuine laugh he'd had in a while.

"Bed, definitely, but I don't think we need it for the first run. Now go ahead and lie back down and we'll begin."

Busty obeyed, laying herself prone, waiting for her master to begin. Joseph, now completely undressed, walked up beside her, reached out, and grabbed her stuffed chest. Her "breast" her protocols corrected, linking the usage and area to the huge library of synonyms that Joseph might possibly call them and context processors that would keep Busty from making an unintended error if they went somewhere social. As she did this, Joseph continued to play with those breasts, kneading them, pinching them, and glancing back at his screen for the reaction readouts.

The new meter implanted in Busty measured the level of 'arousal' she experienced, not as an actual feeling but monitoring the levels for which her program would cause changes. For instance, micro-fiber reactors now worked to swell areas of her breasts. Her breathing increased to a more gasping pace. Every so often, determined by random generator and timed to his ministrations, she would moan or sigh to let him know he was doing well.

Another aspect of her 'arousal' also prepared another add-on for a procedure she knew as 'penetration'. She would understand what that meant physically very soon as her new optical sensors noticed Joseph's erection. Being a natural organic fox, pure-bred from a very strict vulpine line, Busty noticed that his organ bore some resemblance to the simulated knowledge of toys she was implanted with. This thought triggered her interest and elevated her arousal to a new level that she equated with 'fun'. And deep in her mind, Busty knew all about fun. She had twenty years of experience living in the core of her being.

"I believe we will have a very fun time, Master Joseph!" she said excitedly in her new voice, "Please, show me how to play with this new toy!"

Joseph laughed aloud at the absurdity of his creation's pronouncement. By now he had sussed out the root of it all, but at the moment his scientific mind was buried under hundreds of generations of primal need. The arousal protocols in Busty's new make-up had released tiny whiffs of pheromones to help arouse him, but at this point he barely needed their aide at all. As stiff as wood, he climbed atop the table and crawled between Busty's pillow-soft, yet wonderfully firm legs.

"Alright, access System 18 action files M1 and prepare for the toy."

Busty smiled, she knew fun when she saw it and everything in her files told her that this was the most fun she could have. Arching her back, she spread her legs wide to give her master access to her new 'fun' sensor. She was well aware of the lubricant she had made, something that her program assured her would help. An instant later she understood fully as Joseph slid his erect toy into her synthetically perfect pussy. Joseph moaned out his delight as her warm syntha-flesh slid over his engorged meat, feeling for all the world like a real vixens heated cunt.

Years of research had yielded the processes for incorporating a purely synthetic vagina into a PlushPet. Years of making it look right, feel right, act right. And to top it off, the one in Busty - the one he was now sliding in and out of with the basest of urges - was custom dimensioned based on exhaustive scans of his own penis. In essence, it fit like a glove.

"Oooh Busty, is it good for you?" he grunted as he thrust into his feminine doll, "I put such effort into making it just right."

"It's all for you Master," Busty said as the response protocols whirred in her head. She felt wonderful! What he was doing to her was stimulating everything in her new pleasure centers. Th ghost of a response crept in to fill the gap, "You're doing great Master Joseph! I really like this game! We should play it all the time."

Again, unexpectedly, Busty took the initiative and reached up to hug Joseph, pulling him close as he slammed into the deliciously slick vixen. Her smile, though made of cloth and cyber-stuffing, was surprisingly genuine. Something he simply hadn't expected through his year of work improving the design of his old toy. Another surprise was when her fuzzy lips met his. He hadn't programmed her to kiss! Come to think on it, as far as he knew Buster hadn't been programmed for it either!

But as Busty moved herself in tempo with his thrusting, it stopped mattering at all. She felt so good to him, so warm, so new, and yet so familiar. Whatever else happened, this part was a rousing success. Better than expected by all counts. She would serve as a companion in his lonely life from here on. The perfect woman; a friend, a confidant, and someone who wouldn't want anyone but him.

As he pushed on into her tight snatch, he could feel the minute movements in the synthetic flesh that wrapped his member. She was squeezing him, working to increase his stimulation and driving his desire all in the same time. It was almost like sex with a real live vixen, but with the added benefit of a pillow-soft body that he simply couldn't harm. That she was hugging him, acting like a real person, was only an added benefit.

"Busty, my dear, I'm close..." he grunted.

"Then go ahead Master, I am ready too," she moaned.

Finally Joseph let himself go, slapping his cock into her as hard as he dared. The flesh ridge at the base of his penis swelled as he shot the first jet of his cum into her similarly swelling pussy. Like a real vixen, he had built in the ridge that would trap his knot within her, locking them together as he dumped load after load into her simulated womb. Thusly trapped, he pushed hard against her as the synthetic vagina contracted and pulsed against his sensitive cock. The sure feeling that he could do this, could mate with her at whim, and never have to worry about children or disease was as sweet to him as his climax.

Finally Joseph eased himself out of his freshly mated vixen friend, careful over his sensitive, and still deflating, penis, he rolled himself into a sitting position and ran a tired arm through his hair.

"That... I definitely believe... was a successful test." He sighed contentedly.

"System 18 protocols show 100% completeness," Busty said in a very mechanical tone, but then she added in a more emotionally laden voice, "That was sooo much fun Master Joseph! What game should we play next?"

He laughed at the absurdity of it as she swung around to sit beside him, her legs swinging from the edge of the table. Whatever he had done, something had gone wrong. But whatever it was, he didn't care. He had his old friend and a new one all rolled into the same person. If he could just figure out what it was, his PlushPartners line would be a success to rival that of his father's wildest dreams!

"Next," he said in a more commanding tone, "We're gonna run some more diagnostics. I want to find out where Buster ends and you begin. I've gotta know what I did so right with you Busty. You've turned out better than I ever expected."

"Very well Master Joseph," she complied, "I love you."