Factory Tour: Rin, Saber, & Sakura (Fate Bimbofication/Twinning)

Hi folks! I hope all is well out there.

It's been a stupidly busy week after a stupidly busy month, so unfortunately I only have one story for you guys this week - I'm going to need a little time to build up a good buffer again so that this stuff doesn't happen too often.

Still, in the meantime, here's a story requested by a patron based off some of the works of Bradtanker3! (You can find their arts here: https://www.deviantart.com/bradtanker3 - very good stuff if you like bimbofication!)

Hope you enjoy!

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“Ngh…” Rin Tohsaka was not a morning person – a fact that would surprise most people who knew her. She took a lot of care to keep that aspect of her personality a secret, as she did with many parts of her life that normal humans weren’t allowed to learn of. She was a magus, after all – she had been born into secrecy, and instilled with its importance since an early age. And it wasn’t just her! Letting anyone know that she rose from bed with the grace of a lumbering elephant would undermine the very fabric of reality as far as the people of Fuyuki were concerned! Well, that was what she said, anyway.

Waking up somewhere that was not her bed, in the close company of other people, well that was pretty much her worst nightmare. So, when she finally opened her eyes to look around, and saw that she was dangling from the ceiling, suspended by thick metal cuffs clamped tightly around her wrists, in an unfamiliar metal corridor, with a line of women in a similar situation stretching off into the darkness in front of her… She closed them again and immediately tried to drift off back to sleep.

Alas, the reality of her strange situation swiftly proved it wouldn’t just let her snooze her way out of it.

“Rin? Rin!” A familiar voice hissed at her from nearby. “Are you awake?”

“Jus’ five more minutes Saber…” The magus muttered, trying to roll over in bed – and only managing to sway in the air a little.

“Nee-san?”

“Nn… Sakura, no, you’re not supposed to be in my bed…” Rin giggled a little… Before the words she’d just spoken slowly began to worm their way into her head. Slowly, her eyes blinked open once again. Ahead of her, she could see Sakura, looking back over her shoulder, a terrified look on her face. Ahead of her, she could also see the blonde form of Saber, who seemed more irritated than scared, but there was definitely a worried glint in her eye.

The magus’s brow furrowed. “What are you two doing in my bedroom?”

“Um…” Sakura’s terror turned into a nervous confusion. “Nee-san, this isn’t…”

“Give her a moment, Sakura,” Saber interrupted, a weary sigh puffing its way past the servant’s lips. “She’ll catch up in a second.”

Rin blinked, her lips pursing. Slowly, the cogs in her head began to turn. Wait a second…

“Oh shit.”

“There she is.”

“N-Nee-san, language like that…” See, this was what Rin meant when she said her true self would shock the people of Fuyuki. Even her own sister, a fellow mage who knew her secrets, had her eyes go wide the moment she let her Perfect Idol image slip. Sadly, the situation very much called for it.

“Saber, where are we?” The black-haired magus ignored her sister’s half-hearted reprimand to focus on the issue at hand. “Captured by another mage? Could it be caster?”

The servant up front winced. “I’m… unsure.”

That was unexpected. Saber was incredible – her senses, her sharp wits, her skills, her unmatchable beauty – so for her to be unsure about what was going on spoke volumes about how dire their situation was. “What do you mean?”

The blonde’s face flushed slightly in embarrassment. “I apologise, Rin – I’m afraid I don’t remember how we got here. My last memory is of escorting you and Sakura to your favourite café so that you could discuss important matters…” That was Saber’s formal code for ‘gossip with your sister’, because the king of knights was still a little wary of two mages discussing anything, and generally always handled the pair’s meetups like she was preparing to disarm a bomb. “… And after that, I woke up here. I was just trying to assess the situation when I heard Sakura behind me, and then yourself not long after.”

“I see…” The magus bit her lip. Now that she was awake, she could confirm that her servant’s tale matched her own memories. She’d stepped into the café with Sakura, and then everything went blank. This was bad. That she herself had been captured was unfortunate, but for whoever was behind this to have overcome Saber so thoroughly… That merited the most aggressive form of response. “Alright then. We won’t mess around. Can you break your chains?”

The blonde’s pained look was all the answer she needed, and that answer was definitely not the one she wanted to hear. “I cannot. It was the first thing I tried, but something is restraining my powers as a servant. I can’t summon the strength to shatter these bonds.”

Damnit. Saber was a powerful woman, but a lot of her strength can from her ability to channel mana to her limbs to strengthen them. If she was cut off from that, then she was no stronger than either of the mages beside her. Actually, she was a little weaker than them, given the training the two had both endured. Their greatest asset had been almost completely nullified…

This really was a nightmare. Rin’s mind raced at a mile a minute, trying to work out who could have done this and why. Someone from the mage’s association? Surely they didn’t have this much power. Caster, maybe? But this didn’t seem like her style. Who, then? It felt like the only option was a complete unknown, but then why would an unknown element come after them? And how had she never heard of someone so powerful? It made no sense.

Before she could come to any conclusions, though, the trio found themselves being pulled forward – the cuffs binding their arms sliding forward on a motorized rail. With a rush of air, the three was swiftly sent moving through whatever strange facility they’d found themselves in, down a bleak looking metal corridor lit by dull neon lights.

“Nee-san, where are we going?!” Sakura was panicking. Damnit, there wasn’t much that Rin could do to reassure her, not while she was tied up like this.

“It’ll be okay, Sakura. I won’t let anything happen to you, I promise.” It was the big sister’s job to protect the little one, after all. Even if their parents had insisted that relationship was no longer real after Sakura had been sent to the Matou, Rin had never entirely stopped looking out for the girl. Now she just had to figure out a way out of this one before that promise turned hollow.

Suddenly, the line turned, and the three found themselves filed into a small room, the door slamming shut behind them. The magus’s eyes darted around, trying to work out what was happening, but her surroundings gave her precious little. The walls and ceiling were pure white, lit by some kind of internal brightness that she couldn’t identify. Before she could really question it too much though, a shimmering wall of green light appeared at the far wall, moving slowly towards them.

[Materials detected. Scanning…] A synthetic voice announced as the light slid over the first in line – Saber. [Subject – Materialised spirit. Parahuman abilities suppressed. Hair: Blonde. Chest: Lacking. Ass: Minimal. Intelligence: Sufficient to fix lacking areas. Assessment: Acceptable Bimbodoll Material.]

“What the-?” Whatever Rin had been expecting from these kidnappers, that wasn’t it. Their machine was scanning them based on their looks… What the hell was the point of that? Saber certainly hadn’t taken her assessment well, and was currently glaring at the light with enough force that Rin was surprised it hadn’t popped a bulb or whatever. But there were other concerns distracting her, because now the light was moving on to Sakura…

[Second Material detected. Scanning…] The light washed over the quivering purple haired girl, but just as with the blonde, nothing untoward seemed to happen. [Subject – Human Mage. Magical abilities suppressed. Hair: Black – modified to purple due to invasive magical procedure. Chest: Above Average. Ass: Above average. Intelligence: Sufficient to fix lacking areas. Assessment: Exceptional Bimbodoll Material.]

Sakura flinched, but behind her Rin was starting to ask questions. This scan was detailed enough to recognise that her sister’s hair colour had been changed? That had happened years ago! How could it possibly detect that? And, even more worrying, just what was this ‘Bimbodoll Material’ thing it kept going on about…?

She didn’t know, and it worried her greatly that she didn’t know. But for the moment, all she could do was grit her teeth and let the light wash over her as well.

[Third Material detected. Scanning… Subject – Human Mage. Magical abilities suppressed. Hair: Black. Chest: Mild. Ass: Above averate. Intelligence: Genius. Assessment: Prime Bimbodoll Material.]

“Well thanks,” she muttered at her designation as a genius, her sarcasm cutting. “Now what?”

Perhaps she shouldn’t have asked. [No desirable abilities detected. Erasing unneeded elements.]

Suddenly there was a thundering sound, and before the trio could fully prepare for it a deluge of water flooded into the sealed white chamber, rushing around them and soaking them from head to toe. The sensation was so shocking that Rin almost missed the slight burning feeling in her left arm – the arm where her magic crest was located.

But they’d barely had time to acknowledge the terrifying weight and possibility of drowning before all the water had washed away again – and with it…

“Wh-Wh-What?!?!” Sakura spluttered and looked down, her face turning bright red. Somehow, their momentary dip had managed to strip them of their clothes. All three women were entirely naked – save, bizarrely, for their hair ribbons.

“I suppose that would explain what our enemy thinks of as ‘unneeded’,” Saber muttered, probably the least mortified to be so exposed among the trio. “Though I can’t say I relish the thought of finding out what they plan to do with us like this.”

“It’s worse than that…” Rin was a hard person to genuinely shake. Her cool and calm demeanour wasn’t entirely an act, she genuinely was a level headed young woman prone more to analysis than panic. But as she stared wide eyed at her arm, and the unblemished skin where her magical crest, the culmination of generations of her family’s research into magic, was supposed to be, it was easy to hear a tremor in her voice. “That water didn’t just take our clothes…”

There was a moment of heavy silence. Then Saber spoke up. “Strange. I can feel my heart beating. That shouldn’t be possible…”

It really shouldn’t. Saber’s existence, while not exactly standard for a heroic spirit, was that of a servant – the soul of a hero placed inside a magical construct, essentially a golem designed to house her powers. Feeling her heartbeat shouldn’t have been possible, because she didn’t have a heart.

“Whoever is doing this, I demand that you explain yourseeeeaaahhh!” Rin tried to make a show of force, but it was spoiled rather badly when the door at the far end of the white room suddenly slid open, and the trio found themselves being swiftly carried forward on the rail once again.

Unable to even yell over the rushing winds, the three had no choice but to do their best to withstand the trip, the air quickly drying them off from their unwilling power wash. The railing pulled them through the building, through the strange metal factory, all together, the halls around them blurring into a grey streak – until they finally came to a stop, just as suddenly as they’d started.

The room they found themselves in now wasn’t white. No, the walls were the same kind of metallic steel grey as the halls. But this place was distinctive not because of its looks, but because of what filled it – machines, blocky and cumbersome, hummed quietly all around them, their purpose mysterious and unknown.

Rin didn’t like this one bit. “Okay, we need to get out of here,” she told the others as soon as they’d slowed down enough to talk. “Sakura, I’m going to try to-”

Suddenly, there was a hiss, and the sound of moving pistons. The machinery began to move, great round metal pieces slamming out of the darkness – and to Rin’s horror, she saw exactly who those pieces were aimed at. “Saber, look out!”

But there was little the servant of the sword could do. Trapped by her cuffs and weakened by the factory, her attempts to dodge were insufficient, and her master could only watch helplessly as the machine slammed into place around her. Now complete, she could see it looked like some kind of tight prison, or perhaps a mould, with a round design and pink lights flashing over its surface. The blonde was entirely encased from the waist up, her legs left kicking futilely in the air beneath her metal cage.

Then, as the mage pair watched, pink light started to leak out of the device, shining through the cracks and crevices, and Saber’s legs went stiff in place. There was a slight quiver to them, a small wiggle of her toes, and then all was still.

“What’s happening? Saber? Saber!” Rin shook in her restraints, trying to rock them closer, but they wouldn’t budge.

“I don’t think she can hear us, Nee-san…” Sakura had a better view than her, being closer, and the way her voice shook didn’t fill Rin with confidence.

And there was nothing she could do – nothing but watch. And as she did, she saw something impossible. Saber’s body was in no way a stranger to her. The magus had been enchanted with it since the first moment she’d seen her outlined against the moonlight so long ago. And in the years since then, she’d gotten to know it at a very intimate level indeed. She knew its shape at a glance. Which was why, as her eyes flicked around, hunting desperately for a way to get out and free the other woman, she did a double take the moment they landed on the blonde’s ass.

Because it was definitely, clearly, the wrong shape. Saber’s behind was a nice one, in Rin’s opinion, but it wasn’t exactly what someone would call curvy. The servant was a woman of muscle and grace – her build was athletic, as befitted a king who’d lived on the battlefield. And yet, what she was seeing… That was not the flat ass of her girlfriend, sticking out from the metal case she’d been imprisoned in. No, it was too large, far far too large! In fact, as she was watching, Saber’s rear was inflating like a balloon! The mage’s jaw dropped at the sight as her servant’s cheeks finally seemed to settle in fat curves, jiggling a little in the open air.

But that was nothing compared to the shock that awaited her when the metal pod finally opened, revealing its victim once again – but she was hardly the same victim who’d first gone into it. Rin’s eyes grew even wider as she saw the blonde’s new frame. She could only see her from the back, but she could still see the outline of the servant’s breasts, giant orbs hanging from her chest, somehow forming a top heavy hourglass despite her behind’s growth. “S-Saber? Are you okay…?”

There was no answer. In fact, the blonde king of knights gave no indication that she’d heard Rin’s call at all. She stayed facing forwards, not moving or turning. Only the slight rise and fall of those huge boobs on her front let Rin know she was even breathing. Although, the mage thought she caught something, a sound just on the edge of hearing. A quiet, breathy… giggle…?

She had no idea what to make of that, nor did she have time to process her worry. Before she could think of a way to get Saber’s attention, the line was moving, dragging all three of them forwards one space.

Rin realised what that meant a moment before Sakura did, but it was the younger sister who panicked first. “N-No! No, don’t! Nee-san, save me! You said you wouldn’t let anything happen to me, you promis-!!!”

CLANG!

The metal cage slammed shut around the purple haired beauty before her sister could answer her, her struggles failing to do anything to help her escape. A moment later, the pink light flared, and Sakura’s legs went still. And behind her, her sister trembled, unable to do anything to save her.

Instead, she was forced to watch, once again. Watch, as Sakura’s feet twitched in the air. Watch, as her ass began to expand. Watch, as her closer view meant she could see what she’d missed last time – the clear fluid beginning to drip down the inside of her sister’s thighs and splashing on the floor.

Then the cage was open again, and just like Saber, it was a different woman who emerged. Sakura’s chest was, if anything, now bigger than her predecessors, and her ass was so thick she’d probably get stuck whenever she tried to pass through a door. She was a total hourglass, and a magnificent one at that.

“S… Sakura…?” Rin called weakly, her shoulders slumping when she didn’t get a response. There was just the lightest titter, an unfittingly cheerful giggle, and then the line was moving forward once again.

The dark-haired mage took a deep breath as she was put into position. Right. She knew what was about to happen – and she was going to resist it. She was going to go into this with her head held high, like a true magus, and once she’d defied her way through it, she’d fix the others, and they’d all-

CLANG!!!

The noise was so much louder as it rang out around her, the metal machine wrapping around her so tightly that she couldn’t move – a firm iron grip on her chin, her arms, her waist, her head…

Her muscles went tense, her teeth gritting. Whatever happened next, she was ready.

Then bright pink spirals lit up in front of her eyes, its searing light shining directly into her soul, and she realised, briefly, that she wasn’t ready at all – before even that frantic idea grew hazy and indistinct in her head.

She couldn’t look away. She couldn’t move her head, she couldn’t shield her eyes. One last time, all she could do… was watch.

Watch the spiral as it turned and twisted her mind.

Watch the spiral as it swirled and spun her awareness away.

Watch the spiral as it slowly sucked her thoughts from her head.

Rin’s lips, once firmly held closed, parted as her muscles relaxed, a small trickle of drool beginning to drip into her mask. Her legs, once held stiff, relaxed and swung freely. Her hands, held as fists, gently uncurled. The strong magus went limp in the cage’s grip, her eyes a set of matching pink spirals all on their own.

But the machine had only just begun.

The magus wasn’t really aware of the cool sensation of a metal cap sliding down over the roof of her skull, but a small shiver did run down her spine. And only then, once the cap was properly settled on her scalp, did the true sucking feeling begin. Another cool sensation made itself known, but this one was inside her head. A spreading numbness, like the sharp parts of her brain were dulling. Like the fast tracks of her mind were being rerouted into swamps. Like her wits were… um… Like her wits… uh… Wits… were… getting really dumb, yeah.

The drool really began to start pouring from her mouth as her brains were sucked out of her head, the spirals in her eyes spinning faster and faster as her resistance dropped with every point of Int lost. And those numbers were dropping fast, her ranking of genius ensuring that the factory was going to waste no effort in vacuuming up every drop of smarts that she had left in her emptying noggin.

While her brain was permanently cooling down, though, other parts of her were starting to heat up. Her stolen intelligence was being converted into other aspects that the Factory found much more useful. Her chest was beginning to grow quite warm indeed, in fact, as the machines pumped into her breasts. So too was her ass, former thoughts being squeezed back into her cheeks. Both sensations were suitably delightful, and the mesmerised mage couldn’t help but coo as pleasure rippled up into her hollowing head.

That was when the machine struck with its next attack – a thick, rubbery shaft suddenly plunging itself between her lips and starting to vigorously pump. Unable to move and certainly unable to think, Rin had little choice but to mindlessly suck on it as it thrust in and out of her map, her lips beginning to heat and plump as well as it worked its mechanical magic on her.

With what little was left of her braincells now concentrating their full dwindling power on sucking, the spiral began to take an even more direct role in the mage’s conversion. Words began to flash on the screens in front of her, in big, pink, simple letters that even she could understand. Naturally, she didn’t notice them, but they sank straight into her widely spread open mind anyway, and began to pound into her core.

‘Bimbo’

‘Don’t think’

‘Suck’

‘Fuck’

‘Obey’

The words easily took the place of her sucked out thoughts, pumping into her head easily and morphing her self image just as the machines were morphing her body. No longer was she Rin Tohsaka, the graceful, elegant mage – now, she was…

‘Fucktoy’

‘Brainless’

‘Bimbodoll’

‘Sex Object’

‘Empty Head’

‘Fuck Holes’

Now, she was a fucktoy. An empty headed, dumb set of fuck holes, a brainless bimbodoll that could only fuck, suck, and obey! She was a sex object, and nothing more.

Her body had finished growing. With one last, almighty suck, the last of the old Rin’s thoughts were drawn out of her head, her lips plumping up one last time. The spiralling pink light flashed one last set of messages.

‘Good doll’

‘Don’t think’

‘Just cum~’

Rin the bimbodoll was happy to obey, juices squirting out between her legs as the machine finally wound down and her brain finally popped. One last time, the metal slabs pulled back, revealing the Factory’s newest fucktoy to the world.

Her tits were massive, three times the size of her head, her permanently erect nipples sticking out like diamonds. Down below, her plump ass was making a fine counterbalance, with thick, bouncy cheeks that wouldn’t fit under any kind of skirt. And up above, her lips had inflated into the truest kind of cocksuckers – ones that would struggle to actually shape around words, if she’d still had the intellect to talk properly. Already, a small trickle of drool was starting to drip down between them.

A brainless giggle was the only sound that came out of her, setting her tits jiggling and her ass shaking. There was no doubt – Rin Tohsaka was a bimbodoll, and she couldn’t be happier.

And so there they were – three strong, intelligent heroines, reduced to little more than warm sex toys, mindlessly giggling and jiggling in their restraints. The Factory had been very through.

But it wasn’t done.

With a set of squeals, the blonde, the purple, and the black-haired bimbos were carried once more through the factory, before finally being dropped to their feet on a moving conveyer belt, deposited so gracefully that they barely even rocked as they set down. This time, there were no restraints – there was no need for them. The idea of escape would never occur to them.

Indeed, the bimbos simply stood there, hands falling to rest at their sides, obediently waiting in place. Even as they were conveyed past a signpost that said ‘Unneeded Surplus Depository – Recycling Centre’.

To be fair, none of them could actually read it anymore.

But no, not a single one of them reacted as their conveyer belt led them towards another machine – this one another source of world rumbling Clangs as something within it slammed shut over and over. The intimidating construct was towering over them already, its maw open wide to welcome them.

The bimbos just giggled as the vibrations made their tits bounce.

Saber was dropped into the machine.

Clang!

Sakura was fed into the machine.

Clang!

Rin giggled and drooled – and rolled right into the machine.

CLANG!

Two metal moulds came rushing in on her from either side, squishing the black-haired bimbo into another form, her body still soft and malleable from her earlier transformation. The sensation as her body was moulded into an entirely new form was indescribable – at least, to her very simplified mind – but it felt pleasant, her boobs tingling with pleasure as they plumped up another size, her facial features tickling a little as they were massaged around.

There was a hiss of steam as she was held in the mould for a long moment – letting her body settle in its new shape – and then the device opened again, letting her drop down into a waiting storage crate.

It would be a mistake to call her ‘Rin’ at this point. After all, she looked nothing like the clocktower magus, and she certainly didn’t think like her. Her hair, once black, was now a warm, chocolate brown, with a yellow ribboned braid at the front, and no twintails at all. Her face was completely different, her build was entirely different… There wasn’t a trace of Rin Tohsaka left in the bimbodoll’s body.

The name on her crate read ‘Hayate Yagami Doll’, as did the one now tattooed on her ass, just beneath her barcode - and the empty headed toy within it wasn’t going to argue with anyone who told her that was her name now!

But for the moment, she just waited, happily packed in her crate, to be shipped off to whoever had ordered a Hayate doll today. Accompanying her on the trip would be a pair of crates labelled ‘Nanoha Takamichi Doll’ and ‘Fate Testarossa Harlaown Doll’… Though, if those dolls were the equally ill-fated Saber and Sakura, packaged up with her, or if those two had been repurposed into entirely different forms for another buyer completely… would never be known.

It didn’t make much of a difference at this point anyway~

Such was the fate of three unfortunate bimbos, once they’d fallen into the grip of the Factory.