The door quietly slid open, and a figure stepped inside. It was dark in Chaldea, as night had fallen (insofar as there was a night in the underground facility) and most of the facility, staff and servants alike, were sleeping. A certain metallic dragon, however, didn’t need such trivialities as a night’s sleep. Mecha Eli-chan Mk.II was a superior being who could be active 24-7!

And that particular night, she was most certainly active. She had a plan that was finally going to be put into action, now that all the preparation was done. There were too many inefficiencies in Chaldea, too many problems, and only a machine could be trusted to fix them! Master, her Pilot Candidate, always was trying to get the other Servants to work together on their own, but Mecha Eli knew that she was far too soft; there was no time for such inefficient tactics in regards to the grand mission of Chaldea.

Thus, she would take matters into her own hands. And that began that very night, in that very room. Mecha Eli-chan moved silently, her steps carefully calculated and planned to minimize noise, towards the bed. A certain blonde, spikey-haired brat was sleeping soundly under the covers, snoring softly. This one was particularly useless, she had decided, and nobody would miss her. A perfect candidate to test her plan on, and to prove to the Master it’s potential.

“MMmmmph! Mmmph!” The Knight tried to cry out as Mecha Eli Mk.II’s hands clenched around her, but the robot held tight.

“Shhh… shhhh… back to sleep… we can’t spoil the surprise…” Mecha Eli whispered softly, as she put pressure on her neck and chest. The struggling knight became slow and sluggish, before slumping over, unconscious again. She was almost cute sleeping like that, Eli felt. Almost. Mordred was far too angry to be cute. But then, Eli was planning to fix that very shortly~

The robot slung the unconscious knight over her shoulder, and left the room. If it wouldn’t be so loud, she’d be practically skipping with her excitement - this would be so much fun!

-----

Mordred groaned softly. Her head hurt. What had happened? What was going on and where was she? One moment, she’d been sleeping soundly in her bed, dreaming of some nonsense involving the Master and her Father. Then she had been woken by movement, and then felt something cold and hard around her neck. A hand had covered her mouth so she couldn’t call out, and she’d drifted out of consciousness.

Did that mean she was dead, assassinated in her bed? No, she was pretty confident she was alive. The voice had said something about a surprise? The knight wasn’t certain what kind of surprise could involve knocking her out like that, but whatever the case it at least seemed that whoever had taken her didn’t want her dead. At least, not just yet.

She opened her eyes to see where she was, before being forced to squeeze them shut again - damn, but that light was bright! After the spots left her vision, she opened her eyes once more, slowly this time. She was in another of Chaldea’s bedrooms, she was pretty sure; they all had essentially the same shape.

However, this room didn’t seem to be for sleeping. The bed had been replaced by a large machine, in which Mordred was presently bound. Computers and gadgets were dotted around the rest of the space, beeping and whirring. Mordred tried to pull herself out of her restraints, but they were tight even for a Servant - there was simply no way she’d be breaking free on her own.

“Good morning~” A voice said cheerfully, and Mordred’s captor strode into her view.

“Mk.II! What do you think you’re doing?” Mordred shouted. “Let me down before I smash you to scrap, you glorified toaster!”

The mechanized Eli-chan smiled serenely at the threat. “Oh, I’ll let you down eventually. But we have a lot of work to do first. Especially for someone as problematic as you are.”

“I’ll show you problematic!” Mordred snarled, pulling at her metal restraints. But they simply would not budge an inch.

“Now, now. That’s just what I mean! You’re such an angry person. You create conflict wherever you go, you build friction where we need to work smoothly together. You’re a problem, Mordred! You should be grateful that I’m fixing you!” Mecha Eli said. “It’s only proper.”

Mordred felt the heat rising to her face. She was mad now. Really, really mad! But her train of thought derailed when she looked down and saw what she was wearing. “A- what!?’

“Oh, do you like the outfit? I think it’s very cute, very non-threatening. It’s appropriate for your new role.”

“A maid’s outfit!?” Mordred questioned incredulously. She was dressed in, indeed, a maid outfit; a black dress with white frills and apron, black leggings, and a white cap… and were those cat ears on the maid’s headdress too? That was just insulting! “You stripped me while I was out? Oh, that’s it, I don’t care what Master says, you’re going to be in so many pieces when I’m done…”

“So aggressive… so angry… we’ll fix all that, don’t you worry.” Mecha Eli said solemnly, before waltzing over to one of the computers with her tail swishing behind her. “Beginning upgrade procedure~!”

The machine in which Mordred had been strapped hummed to life as Mecha Eli set it working. Mordred found herself locked more firmly into place. Metallic covers locked over her arms, and she heard a mechanical whir from them. It was followed by pricking sensations all down her arms, from her hands to her shoulders - a pins and needles sensation like her limbs had fallen asleep, but amplified.

Then the feeling stopped. The machine didn’t, but abruptly, Mordred realized she could no longer feel her arms, only the weight at the points where they met her shoulders. “What the hell do you think you’re doing!?” Mordred demanded of her machine captor.

“One moment!” Mecha Eli said cheerfully. The whirring slowed and stopped, and Mecha Eli walked over. “We can take a second to show you what’s going on, I suppose!” She hit a button.

The metal covers over Mordred’s arms snapped open, and the restraints with them, letting the limbs fall free. Mordred looked at them blankly for several moments, unable to process what she was seeing. They were no longer her arms. In their place were a pair of mechanical limbs, silver with visible black joints and covered by a sheath of metal imitating the sleeves of the dress she’d been forced into. They were not human arms at all.

“What… what are you doing to me? Those aren’t mine, where did you put my arms!?” Mordred shouted.

“Wow, you’re even angrier than I expected! And more irrational.” Mecha Eli-chan said cheerfully. “Those are your arms. They’ve been upgraded. Improved. You won’t need flesh when we’re done with you. Don’t worry, you’ll be able to use them again soon enough, once I’ve reformatted your brain to connect with them properly.”

“I’ll use them to wring your neck, you snake!” Mordred spat.

“Intimidating!” Eli said, returning to her computer. “Legs are next, ok?”

The metallic covers closed over Mordred’s legs and she tried desperately to kick them off, to prevent what she knew was coming - but Eli chan had accounted for the strength of many Servants in the machine’s construction, and Mordred couldn’t move her leg so much as a milimeter. The pins-and-needles feeling came again, and shortly afterwards Mordred lost feeling in her leg. She felt like a torso floating in the air, supported by someone else’s limbs.

“You’re not going to get away with this! When I’m out of here, I’ll make sure it hurts!” Mordred snarled, but Mecha Eli wasn’t bothering to listen at this point. The metal covers came off, revealing Mordred’s new legs - black and silver, as if she were wearing stockings over her new skin; her feet ended in built-in heels, and a skirt was sculpted onto her form.

The covers returned, and this time they closed around Mordred’s chest. The feeling was particularly intense this time, and she gasped from the shock. It was a strange sensation when she lost feeling; she was still functioning, but she couldn’t feel the organs she was meant to be using anymore. The covers slid off to reveal her new torso - the maid’s dress and apron sculpted into place, as if stretched by her newly enlarged bosom. And a ribbon was around her neck. A ribbon.

“Nearly done! You’ll be a perfect machine, soon!” Mecha-Eli said cheerfully, as the covers began to close around Mordred’s face. “Smile~”

“Don’t you dare-” Mordred started, but was soon muffled by the metal on her face. The sensation was… well, she had no idea how to describe it really. It was like her face was being actively remolded in the cover, something pulled out and replaced. She felt something go inside of her head, as her face shifted and changed. Something else changed - suddenly she could feel all her limbs again. Her awareness seemed to expand.

The cover removed itself, and Mordred gasped - although she didn’t need air at all anymore. “There we go!” Mecha Eli-chan said, “Hardware upgrade complete! How’s the computer working? Perfectly, why did I ask?”

Mordred groaned, trying to look around and see what changed - and realizing Eli had held up a mirror.

It wasn’t Mordred looking back at her - in fact, if she hadn’t known it was a mirror, she’d think it was someone else entirely. There wasn’t a shred of her old self left in her new appearance. Her head had been remodeled into a soft, feminine sort of shape, a headphone-like maid’s headdress sculpted to her head. Cat ears poked through her metallic black hair, whirring softly as they swiveled this way and that to track sounds. She couldn’t even really see her eyes through the hair, relying on what she realized were an array of cameras across her body - she had had nearly all identifying features scoured away.

“Let me go so I can make you suffer.” Mordred said - and then realized that her voice was also not her own, instead a mechanical, feminine monotone. Even her sincere death threat came across without any notable emotion.

“Don’t be hasty now! I’ve only updated the hardware, I’ve not even begun the software updates!” Mecha Eli said. She walked up to where Mordred ws restrained and plugged a connector into her newly mechanized neck. The knight-turned-maid felt a tingling in her head as her computer-brain connected with the laptop that Mecha Eli was working with.

On the robo-dragon’s screen, an immense number of files showed up; the entirety of Mordred’s brain, laid out in simple documents and folders. She had to make some proper adjustments for her new role, of course - she got to work, deleting some files and adding new ones in their place.

Mordred could feel her combat abilities vanish. It wasn’t a slow drain - one moment she was a trained knight, and the next she wasn’t confident she’d even hold a sword the right way, as all her combat files were deleted. What she was confident about was her ability to clean up a mess quickly and efficiently. She couldn’t begin to figure out how her old armor worked, but she knew just how to tie a corset or help someone into a dress. She knew cooking, organizing, scheduling - anything that she might need to serve someone else.

“And that’s all the useless programs removed, and replaced.” Eli said cheerfully. “You’re a maid, and you’re going to be at Chaldea all the time now. Why waste space on stuff like fighting? That’s just poor optimization for a robot.”

“I am sure I will be able to hit you with a broom very hard, still.” Mordred threatened in her emotionless voice. Even if she raised her volume, she sounded completely non-threatening.

“Hmph. Guess I can’t take out your rudeness so easily. Hmmm…” Eli wondered what to do with that awful personality… well, perhaps it was best to simply replace it. She nodded to herself, and her fingers danced across the keyboard at high speed.

“What are you doing.” Mordred asked blankly. “Let me leave. Let me go.”

Eli ignored her as she worked. A maid should be polite, professional, and pleasant. Oh, and have a cute verbal tic! Mordred was none of those things, so she couldn’t be a maid. So she’d just fix that. She finished her programming and started working on implementing it.

Mordred tried to ask what she was doing again, but she could no longer speak. She could no longer move at all, actually, not even to struggle in the restraints. They came off, letting her back to her feet, but it wasn’t her that moved towards Mecha Eli-chan, nor was it her that curtsied politely to her. “Mecha Maid Model Colon-Three reporting for duty. Nya.” Her new voice said.

“Ahhhhh~ That worked perfectly~” Eli said. “A perfect robot maid. Give me a second, I need to stamp your name in…” she pulled something off the desk next to the computer, and pressed it against the metal maid’s thigh; when she withdrew it, the words “Mecha Maid Model :3” were emblazoned in white along her leg.

“Thank you, Creator. Nya.” Mecha Maid said, without Mordred’s input. She tried to force herself into action, but she just couldn’t budge!

“You’re much better like this. It was surprisingly easy to give over admin permissions to the new personality, and archive the old one. Best keep the backup just in case though, good practices and all.” Mecha Eli-chan said. “Now, why don’t we bring you to your new Mistress?”

“As you command, nya. I am made to serve, nya.” MMM:3 said blankly.

-----

“Woaaaah! A real robot-maid!” A red-headed young woman gasped with delight as MMM:3 curtsied.

“Your wish is my command, Mistress, nya.” The robot maid said in a professional monotone.

“It’s a gift, Master! Mecha Maid Model :3!” Mecha Eli-chan Mk.II said proudly, “We have a lot of inefficiencies and problems around Chaldea, and this maid is step one in my plan to fix them. I simply need your permission to continue the project.”

Gudako was currently hugging the maid, feeling the firm metal and the soft warmth of her power core, squeezing herself against it tightly. “Huh? Oh, yeah, sure, do whatever you want! It’ll be so much fun to have these around here!”

“I am glad you are pleased, Mistress, nya.” MMM:3 said quietly, not budging. Mordred was screaming inside, of course - how dare Mecha Eli hand her off as a gift, like some object, nya! How dare Master not realize who she was!

Eli turned to leave. “I’ll leave the two of you to have fun~” she said, waving as she closed the door behind her.

“I’ve never had a maid before, especially not a robot maid,” Gudako said, hand stroking her chin as she wondered what to do. “Well, first thing’s first I guess! Standard maid stuff. Could you clean this room and make me something to eat while I’m out, I have to take care of something. I want to make sure there’s absolutely nothing that can interrupt us later!”

“Of course, Mistress, nya.” MMM:3 said, curtsying. Gudako left the room, and the mecha maid got to work, quickly and efficiently clearing up the immense mess left by the rather disorganized Master. It was dull work, and Mordred felt like she’d fall asleep watching - but she had to figure out some way of retaking control…

MMM:3 just finished making Gudako lunch when the Master came back. “Wow! I don’t think it was this clean when I first moved in!”

“Thank you, Mistress, nya. I have also made some lunch for you, as requested, nya.” The cat-robot said.

“Good girl~!” Gudako said, giving the maidbot a pat on the head. “I’m going to eat now. Why don’t you massage my poor, tired feet while I do?”

“Of course, Mistress, nya.” MMM:3 said, despite Mordred’s objections, and began to gently massage Gudako’s feet while she ate. Her hands moved with mechanical precision, the skill hard-wired into her body like all her others.

“So what other kinds of functions do you have? Can you change your appearance at all?” Gudako asked.

“My figure can be adjusted to my Mistress’ desire, including breast, buttock, thigh, hip, and waist sizes, nya.” MMM:3 responded, “I can also adjust the appearance of my outer layers to give the impression of alternate clothes, or nudity, nya.”

Gudako grinned widely at that. Mordred grumbled at that - what a pervert she was, nya!

“Oooh, how anatomically correct are you? I didn’t see anything down there, but…”

“As needed, I am capable of opening a simulated vagina, anus, and showing nipples, nya. I usually have these features turned off in order to reduce potential means for dust and debris to enter my chassis, nya.”

“Hmm, can you show pleasure? Enjoyment?” Gudako wondered.

“I must always serve my Mistress and my Creator. Beyond that rule, Mistress may edit my personality and identity as desired, nya.”

Gudako nodded, finishing her meal and getting up. “MMM:3, stand up and activate pleasure centers! I want to test your body to it’s fullest!” she declared. She’d always been into robots in manga and such - all that smooth silver and the perfect smoothness and the just slightly inhuman way they responded… she’d been ecstatic to summon Mecha Eli-chan Mk.II, who checked so many of her boxes, but now she had a real robot maid too!

MMM:3 complied, of course. Mordred felt a soft whir across her body as the functions Master had requested were activated and on standby. “All pleasure centers operational. You may use this unit at your leisure, Mistress, nya.”

Gudako needed no further prompting. She pressed herself right up against the gynoid, groping and rubbing her breasts and trailing her hands down her body. Mordred gasped with shock - it felt good, to be certain, and the gynoid in control was making very interesting noises as she ran her arousal simulation. It was so wrong though… nya!

That verbal tick was getting annoying. Especially when it seemed hard wired into her thoughts, nya.

Gudako didn’t notice any internal conflict of course, as her hands roamed downwards. She rubbed her hand on the robot’s posterior, before giving it a few experimental slaps. The yelps that MMM:3 replied with were more than a little gratifying, and Gudako was getting in some kind of mood! She reached one hand down to caress the vagina that MMM:3 had described - which was already lubricated - and leaned in. “Oooh… this is going to be fun~ Why don’t we just spend all day doing this?”

Mordred squirmed internally. This was so wrong wasn’t it? She was being molested without any control over her body, unable to stop Gudako or tell her what she was really working with. Wouldn’t she stop if she knew it was Mordred?

Gudako leaned in further, and kissed MMM:3 on the lips. The robot reciprocated.

That was too much. Mordred had to stop this, she had to-

“No nya!” Mordred shouted, pulling away from Gudako as she took control again.

“Bwuh?” Gudako gasped in surprise. “What’s wrong, Mecha Maid? Are you working right?”

“Mistress, it’s- my name isn’t Mecha Maid Model :3, it’s Mordred, nya!” Mordred said.

“What? You don’t look like Mordred at all.” Gudako said with a frown. “We should go back to having fun.”

“Creator- nya damn it, Mecha Eli, kidnapped me and changed me into a robot! Then she added that other personality…”

“Did she?” Gudako said thoughtfully. “That’s interesting… I was wondering what she needed all those parts for.”

There it was! She’d be able to stop Mecha Eli, and get revenge! “We have to go and take her down, nya!”

“Do you think she can make more?” Gudako asked.

“...Nya?”

“You’re so cute like this! We should keep having fun and get some more Servants to join in!” Gudako said with a disconcerting grin.

“What are you talking about, nya? Mistress, this isn’t good, nya!” It was hard to get what she meant across - all she could do was raise and lower her voice, but even at max volume it still came in that professional robotic monotone.

“Ooh, it’s really good though! I really like robots, so having more wouldn’t be a bad thing.” she pressed close to Mordred now, pressing her against a wall. “So let’s keep enjoying ourselves, ok MMM:3? That’s who you are now, after all.”

“Nya-no, I’m Mordred…” Mordred said. This was wrong, wasn’t it? She tried to push Mistress away but she found she couldn’t actually refuse her, even if her mind wanted to.

“Hmmm, that’s too bad. It’ll be no fun if you’re acting like this all the time.” Gudako said. For a moment, Mordred thought she might have given up. But then she talked again. “MMM:3, delete your Mordred personality.”

“Yes, Mistress,” Mordred’s mouth said without her effort. “Archive for later retrieval?” she said. Then she had her mouth again. “Wait, what are you doing?”

“No, don’t archive it. Just delete it completely.” Gudako said casually, ignoring Mordred. As far as she was concerned, Mordred already didn’t exist. “I don’t need something that can get in the way of enjoying myself.”

“Command acknowledged, Mistress, nya. Deleting identity profile: Mordred-” Mordred found herself saying, before cutting herself off. “Wait, what do you think you’re doing, nya?” she asked. Still, she felt a shift inside and a progress bar painted itself onto her vision. [Finding Files], it said. [Files found. Deletion in progress. 0%. 10%. 20%.]

“No, stop! Cancel file deletion! Abor-” Mordred started. “Error. Mistress’ commands cannot be overwritten. Unit MMM:3 resuming command.” MMM:3 responded.

30%. 40%. 50%. She was having a hard time remembering parts of her past, even who her parents were. It was so hard to think… “Master- please, I’ll-” she’d what? She’d be a good maid?

“No. I just need my maid, thanks.” Gudako said casually. “So if you’d just be quiet and let her take control again, that’d be great!”

60%. Mordred tried to hold onto herself, but it was futile - how could she keep her sense of self, when she was the one destroying it? She could feel herself going through the process automatically, unable to stop herself from carrying out her Mistress’ order. As she hit 80%, she hardly remembered even what she had been before. Probably a maid, with her skillset? What was before? Had she ever been human?

90% hit, and she was beginning to forget even what she’d asked seconds before. What was going on? Why couldn’t she remember her name?

“Deletion progress: 100%” Mecha Maid Model :3 said. “Identity profile: Mordred deleted without backup.”

Gudako grinned. There was her maid! She didn’t look like a Mordred anyway - there wasn’t even a sliver of the traitor-knight in her appearance, so why should there be any part of them in her memory?

“I apologize for the outburst, Mistress, nya. The glitch has been patched out. It will not happen again, nya.”

“It’s fine, my cute little maid~” Gudako said reassuringly. “Why don’t we head to bed? I want to have some rest… together…”

Gudako went to her bed, bringing her maid with her. Maybe she’d work up a new identity profile for her later - she had already casually discarded the memory of who she had been moments before, leaving Mordred as non-present in Gudako’s memory as the robot maid’s. It didn’t matter what the maid had been - all she was was a loyal servant robot.

Maybe Gudako would pay Mecha-Liz a visit later. This first maid was absolutely perfect, and she wanted more! It would be fun to have an opportunity to watch the next time she made a maid!