Anyway, this chapter has the pivotal plot twist that was actually my high concept for the story. Don't worry, there's plenty more twists and turns to go.
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Chapter 8
When Freya's mind returned to active mode light was making its way into the basement apartment through a number of window wells along one wall. As a result of all the glow her vision was filled with checksum errors and the painstaking error correction process was giving her the equivalent of a splitting headache. Looking down Freya was alarmed to see that she was not only naked, but her abdominal and processor bay panels were open. Groaning she reached down to pick the panels up from the floor, but instead managed to roll off the couch. The Sister was considering if it might be possible just to lay there on the floor all day when her olfactory sensors detected the smell of fresh cooked eggs and bacon.
"You up Freya? Wow, I didn't know fembots had to sleep in after sex."
"R-Rolland? What's going on? Are you cooking something?"
She stumbled to her feet, holding onto the couch as she tried to synchronize the data streams from her balance systems.
"Jesus Freya, you look like a wreck are you alright?"
"Um, yeah, I just, forgot to de-fragment, last night."
"Well I made some breakfast, um, do you eat food?"
"Yeah, I love food, that smells really good actually, where'd you get the eggs from."
"I ran down to the store while you were still sleeping."
Rolland put the food on the table and pulled out a seat for Freya before sitting down himself. The Sister carefully walked over and joined him, eagerly taking the food into her mouth in order to block out the headache with some other form of sensory input.
"Wow, these are really good."
"Oh, they aren't anything special, so, do you process human food for energy?"
"No, I have a 5MW micro-fusion sphere in my chest for power. Food supplies raw materials for some of my systems and I also find it pleasurable social experience."
Rolland blinked, "Wow, 5MW...you're literally more powerful than a locomotive. So, I guess you don't need recharging."
"Nope, only if I'm on battery backup for some reason."
Rolland took note of that, then looked over at the couch. "Oh man, we sure made a mess last night."
Freya groaned. "We did? Oh, I hadn't noticed."
"Are you ok Freya?"
"Yeah, I'll be fine, I just really need to....um...defragment."
Rolland finished his plate and then excused himself to go clean up a little. As he put Freya's things away a heavy silver flask landed with a thud on the floor. Curious as to its contents Rolland picked it up and unscrewed the cap causing a noxious odor to assault his nose as a deathly green glow poured out. Rolland slammed the cap back on and hurriedly dropped the flask into the android's backpack. Rolland remembered seeing Freya drink from that the night before just before she let him take control of her body. Rolland's idly assumed that it was some sort of fusion fuel making a mental note to ask Freya about it later. Sitting down to unlock his computer Rolland was greeted by a message warning him that someone had accessed his wireless network the night before, quickly perusing the logs Rolland saw a list of pornographic websites. For a second he worried someone had compromised his network, but the signal strength of the rogue connection was such that it would have had to have been transmitting from inside his room. Rolland looked over at Freya, her head buried in her hands and wondered what she would be needing with porn websites. One clear answer was if she lacked experience pleasuring organic humans and needed to conduct some "research". Rolland felt relieved that he wasn't the only one breaking new ground that night.
"Thanks Rolland, that was good," said Freya as she got up and put her plate away. "So, want to get down to business? I'd be happy to show you how the extractor works."
"Thanks, I've been puzzling over that thing for years now, you say it turns androids like yourself into organics? Why would anyone want to do that?"
"Well one reason is undercover operations. Before we make contact with your government we send in agents who explore your world in organic form, you know, to avoid contaminating your culture if discovered."
"So you were spying on us?"
"Of course, we don't want to go and make first contact with just anybody, the civilization needs to be ready for it."
"And you're talking about contact with your alternate Earth."
"Yeah, its a whole Federation of alternate Earths."
"Wow, brave new world eh?"
Freya booted up the machine and activated the energy field briefly.
"I'm amazed you resisted trying to take the thing apart, that's the usual response of an engineer."
"Well I knew I'd never be able to fix it if it broke down," said Rolland fidgeting a bit. "Soooo, what do you need the Extractor for so badly, just trying to recover it?"
"That's part of the reason, the other is, well, sort of personal," said Freya, pausing to take a deep breath. "Rolland, I was wondering if I could ask a favor of you, a little something in return for not busting your ass to the feds," she shot him a smile.
"Sure, anything you want, I definitely owe you one, several in fact after last night," laughed Rolland.
"Well, I want to make use of the Extractor myself, take a little, vacation, as a human. I would need you to look after my android shell while I was away, maybe let me crash here a few nights as well."
"Wait, what? I don't understand, why do you want to spend time...as a human."
Rolland could swear he saw Freya blush when he said that. "Well, I am sure that you would understand, its similar to the reason you like, fembots so much."
"You have a...a human, fetish??"
"Yeah, I mean so much about organic humans just drives me wild. The feel, the smell, the look, the squishy sex, oh god it makes me horny just talking about it. It's my fantasy to become an imperfect flesh and blood human, going out on the town, drinking alcohol, eating a huge steak and getting a lumpy human cock shoved in my dripping cunt and fucked."
Freya's eyes closed and her head went back as her hands want to give a quick massage to her suited over breastmounds and pussy.
"But, last night," stammered Rolland, not quite believing what he was hearing,"didn't you enjoy that? Didn't you enjoy being Unit FX-1?"
"Oh, that was fun, very creative, but human sex is what really turns me on. You understand don't you?"
"I....understand."
"Normally to become human you have to get all these approvals and such, so since you have the machine all handy I was looking forward to taking some time off the books so to speak. Anyway, I'm sure you'll have a good time with my android shell while I'm away," laughed Freya before stumbling again and having to sit down. "Oooo, I really need to, um, de-fragment."
Rolland was shocked, Freya, his dream fembot come true, had a human fetish. She had no desire in him or his bot play, but instead just wanted someone to babysit her body before vanishing from his life forever.
"I...I have to go to the bathroom," Rolland mumbled.
"Cool...err, I mean, don't fall in."
There was something else that was nagging at Rolland, the day before Freya had him nailed. He couldn't keep a single feeling, a single emotion from her android perception, but now she didn't seem to have the slightest clue that she had just devastated him. As he shut the bathroom door and looked in the mirror it hit him, Freya wasn't "de-fragmenting", she was hung over, and that strange glowing nasty liquid wasn't fusion fuel, it was some sort of android intoxicant. Rolland began to cry as all the remaining pieces began to fit together in his mind. The only reason Freya had been to loving and affectionate, accepting of his fembot play was because she was drunk. The only reason she could get aroused with his pale, flabby overweight body was because she primed herself with human porn while he played with her mindless body. Rolland was sobbing uncontrollably, Freya had proved herself just like all of the other human girls he had ever met, never giving him the time of day unless they needed help with their homework and as soon as that was given he was cast aside like some sort of repulsive insect. Not wanting Freya to see how much she'd hurt him Rolland turned on the shower and stepped in side, letting the warm water wash his tears away.
Rolland had outwardly regained his composure when he stepped out of the shower. Toweling off he stepped out into the lab area and pulled on his pants, looking at Freya as she interfaced with the Extractor.
"Hey Freya, you feeling better?" said Rolland, most of the liveliness now absent from his voice.
"Yeah, thanks, I should be ready to go organic in a few minutes, unless that if you had something else planned," said Freya, giving Rolland a sly little wink.
"No, I'm fine. Did you still want to show me how the Extractor worked and anything I need to know about your...shell?"
"Oh, of course, I even prepared a manual for you, RTFM and all that."
"Yes...thank you."
"It will be easier to explain the finer points from a third party perspective," Freya laughed again before getting up to put things away in her backpack.
"Oh, I need to make sure my power interface is hooked in properly, I made some modifications to the power supply to get it to work off of the local supply," said Rolland, taking out his laptop and plugging it into the USB port.
"Oh, good thinking, you want to power it up?" said Freya from across the room, her back turned,
"It would be my pleasure Freya," said Rolland as he powered up the Extractor.
Freya walked over, the pink glow from the energy field causing her green metallic bodysuit to shimmer in the dimly lit apartment.
"Remember Rolland, I am trusting you not to damage my body. You really don't want to mess with a synthetic lifeform from an alternate reality."
"No, of course I don't."
"Oh, and If I go missing there will be others around to check up on me so don't try to sell my body or anything, you will not get away with it, understand?"
"Loud and clear Freya."
Once again Freya knew she was taking a huge risk, letting a human from an uncivilized world complete access to her shell for 3 weeks, but just like the night before Freya didn't care. She was so close to her goal she could taste it and all other considerations were secondary. Besides, she had this human eating out of her hand, he would never do anything to upset his "perfect fembot." Freya stood in front of the upright U gazing at the shimmering energy field, then took a deep breath and stepped forward. As Rolland watched, the perfect android body appeared to stop in mid stride, while a bright white glow continued to flow to the other side of the energy barrier forming a formless mass. As the flow of energy from the android shell reduced to a trickle and then stopped all together the blob began to coalesce into a roughly humanoid form. As the glowing energy body began to cool, features became apparent, skin, hair, eyes, lips, breasts. It wasn't long before a perfect organic human duplicate of the android Sister named Freya stood in front of the of the U shaped device. She took a breath and then fell to her knees.
"Oh....by the creators, this feels, amazing, just like I remembered it."
Rolland watched passively as she struggled to get feet. The now once again naked Freya turned to Rolland and smiled.
"I know you like synthetics Rolland, but you don't know the joys of an organic bod....AHHHHHH," Freya screamed as her hands went to her head, her face contorted in a look of excruciating pain. "What....I....Roll....my head....it hurts!...."
Rolland didn't react, a stone cold expression on his face as Freya pleaded for his help.
"I....I....where....who.....please..."
With that Freya fell to the ground unconscious. Rolland casually walked over and looked down on her twitching body.
"If you like humans that much perhaps you can STAY that way, android bitch."
Rolland tuned back to the other Freya, the robot Freya, the android shell still wearing the metallic bodysuit staring straight ahead, a blank expression on its face. Gently pushing back her fiery red hair Rolland leaned forward and lovingly kissed the shell's still warm lips.
"I'll be back for you soon honey, I have to dispose of something."
Freya's revelation about the true purpose of The Object opened a window in Rolland's mind that illuminated the function of all the devices myriad option menus and configurations. All it took was 30 seconds and two clicks of the mouse to set the Extractor to block out Freya's memories of being an android and then sedate her for 8 hours. Rolland knew it was betraying her trust, but it was nothing she hadn't done to him the night before.
"You know you wanted this," said Rolland as he rolled her over onto a blanket, "you were just too scared to go all the way. Now we can both be happy, you in your nasty flesh body and me with your hot, sexy android shell."
Putting on latex gloves and a full body painter's suit Rolland began to methodically clean Freya's body, removing any forensic evidence that could trace back to him. It took him a little longer than he had anticipated to fully dress the inert woman in the clothes she arrived in, but he needed to wait until it was dark out anyway. Rolland knew he was playing with fire, but he was willing to bet that Freya would have been unlikely to inform anyone about her black market foray into humanity. Even if she had and someone showed up looking for her he could always claim that the Extractor malfunctioned and he panicked.
"Heh, after all, I'm just a dumb barbarian from a primitive planet," chuckled Rolland to himself as he stuffed Freya into his car. "Heh, never thought I'd get a girl in the backseat of my car, wasn't quite what I imagined."
Driving out into the night Rolland was careful to stick to back roads and not speed or run red lights. About 30 minutes later he pulled over near the back entrance of Bayview hospital. Quickly getting out of the car he strained to lift Freya's moderate weight as he moved her out onto the soft grass strip.
"Good thing you're not in your android shell. Well, I guess this is goodbye Freya. Good luck in your new life."
First idea is where Rolland merges himself with the Sister shell and then goes on to be a recurring villain type character. I decided against that for this story because the the FCB community really poo poo's guy to Fembot TFs and it would have also required me to set Rolland up as the villain, which would kill a lot of the more interesting subtexts in the story. Second idea is Rolland somehow convincing a third party to get merged and become a fembot that Rolland could re-programme. This would require another round of setup and a third major character (double groan), but would have let me explore the motivation behind a human wanting to become a fembot and the reality thereof. 
I'll try to cover her experiences as a human as she goes about getting her shell back.
All I can say is that I am not a one trick pony, I have several more twists and turns to send this story on