It had been about half a year since Super Sonic, Tails, and Knuckles beaten the new Neo Metal Sonic in his Metal Overlord form, causing him to revert to his original form. Some time after that, Sonic told him that he would like a rematch one day and Metal Sonic collapsed as his system shutdown from the damage and lack of power after being beaten. He was found and picked up by Omega and Shadow. What happened to him after that and what was done to him while in the hands of a robot who wants to destroy Robotnik and all of his creations and the neutral hedgehog known as Shadow are unknown. Through the event that took place three months later with the Black Arms invading the planet, Metal Sonic fell in the hands of Robotnik once again where he was reprogrammed to be obedient his creator once again with no malicious programs found, despite being in Omega's possession for three months. Also, Robotnik made sure to make corrections to Metal's nanotech so that when he obtained a new form, he could just copy the appearance and abilities of others, but not their attributes as well. It was old programming in his nanotech led the robot to turning on his master and thinking that he was the real sonic and robotic copy at the same time thus creating a mental paradox driving him insane or that by killing Sonic that he would become the TRUE Sonic himself.

Once this was completed, for the next three months, Metal Sonic was sent looking across the globe for a Chaos Emerald to full his creator's latest plan for his latest 'taking over the world and finally beating Sonic at the same time' machine. Yet things were turning out as planned since this time finding a Chaos Emeralds was a lot harder then before since all but one of them was currently in the hands of his enemies and thus rather then trying to steal one of theirs, he would just have Metal go after the seventh one while he had other robots distract Sonic and his friends from the construction of his latest project.

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"Infiltration of target area complete," Metal Sonic said as it shifted back from the form of Mobian researcher that worked in the isolated lab (located in the now deserted city of Mega Central) to gain access to the where the Chaos Emerald was reported by his scan of the place while in his disguised from.

What the robotic Sonic was looking at was a machine that seemed big enough to fit everyone from the tallest Overlander to the smallest Mobian. Though he did not know it, this machine was created to try and replicate Ceneca 9009's De-Roboticizer which reverted every robian on the planet that could be changed back to original organic state. The problem with that one was that it did not work on those that would die from having their robotic form taken away from them like Jules, the father of Sonic the Hedgehog. Though it was foolish to think that the only ones to suffer from being in near death condition at the time of their roboticization was Sonic's father as the world was a big place and things did not always revolve around Sonic and his friends. So despite what most inhabitants of Mobius thought, Jules was not the only robian left after they had all been de-roboticized. Also there were Overlanders that had been roboticized as well that were not even taken by Ceneca 9009 as they were not even recognized as victims of a roboticizer and then also there were those that had partial roboticized as they still had their robotic limbs. This new machine was a prototype created to finish up the job that its creators felt was left only half done. They did not have the advanced technology that they surmised was used in created the De-Roboticizer that used by Ceneca 9009, but what they did have that could possibly come close was the Chaos Emerald. Through skill and a lot of luck, the research and development managed to get a hold of one that was usually in the hands of either Robotnik's group or Sonic's group.

With the hopeful success of their prototype, the creative team behind it was hoping that this would finally end the monopoly of the Chaos Emeralds that Sonic, Robotnik, and their allies had over them since they were discovered that all that they were used for either as the power source of some doomsday machine, some plan to take over the world, or as power up for those saving the world from the doomsday machine or world domination plan. With research this team working on this new Chaos Emerald powered De-Roboticizer, they hoped that the eyes of the inhabitants of Mobius would be opened to the fact that the Emerald could be more then just the playthings of two rival factions (Sonic and Robotnik) with one neutral one (Shadow, Rogue, etc.) and be used to discover cures for other things like Neuro-Immuno Deficiency Syndrome (also known as NIDS or N.I.D.S.) and other various disease and conditions that currently had no cures.

Yet, the power source of their machine was being target by someone from one of the very groups they were trying to keep it away from. Metal Sonic wandered into the machine to look for where the Chaos Emerald was stored because his scans told him it was located inside the machine itself.

Though as Metal went to punch the area he felt the strongest signal of the Chaos Emerald was coming from, the door closed behind him, and despite all his best efforts, he couldn't break down the door or even slip through it by transforming into liquid metal like how he escaped and a downed battleship almost a year ago.

"It's useless to struggle since the interior of this machine is created from triple reinforced and strength enhanced Tektite Metal so there is no getting out," said Mobian that one of the creators of the machine. He was trapped, though nevertheless, Metal continued to bang on the door.

"Did you really think that this place was that easy to break into? We have information on your abilities as well what you are capable of. That's why we allowed you in here as you're going to be our first test subject for our machine," another on its creators said; this time it was human.

"Now to begin the test to see if all our hard work will pay off as Metal Sonic has copies of people's life data inside him, thus we want to see if it is possible to transform him into a flesh and blood hedgehog," the mobian said since it was discovered that roboticized Overlander and Metal Sonic seemed to fall into the same category after doing research on the both of them. The similarity steaming from the fact that both Metal Sonic and roboticized Overlander had life data stored inside them. Thus rather then risk the life of roboticized Overlanders or humans, it was decided that with Metal's timely arrival, he would be the test subject instead.

The machine rocked and rumble around as the room was illuminated by the bright lights coming from the Chaos Emerald, yet it was not noticed that this energy wasn't being directed at Metal Sonic but shining directly towards them as it spread through the lab, touching everyone there. The development team was learning something that Sonic, Robotnik, and all their allies learned a long time ago, and that was that the nature of the Chaos Emerald was too chaotic to perform any of those things that they wanted to use them for as the energy release could do what they want but also have unwanted side effects to those in the surrounding area.

The unwanted side effect of the Chaos powered De-Roboticizer was making itself clearly known as the mobian, humans, and Overlander were all slowly being reverted into gray lifeless statues as their very life energy was drained out them by the machine and then sucked into the machine where Metal Sonic was bathed in their life energy down past the subatomic level of his being. A possible reason for the machine sucking the life energy from the workers of the lab was that the Chaos Emerald chaotic nature and Metal Sonic ability to absorb life data. This lead to the machine using an extreme version of Metal's ability to scan and absorb life data to actually steal a person's life energy to power the de-roboticization process that it was created to do.

The machine soon began to overload from all that life energy being used and eventually led to it exploding, destroying the lab and all of the lifeless statues within, leaving the place in rubble and abandoned just like the city it was based in.

Though as the dust cleared around the machine that cause its creators to meet a grim fate from trying to bend a chaotic force to their will, there was the result of what the machine did to Metal Sonic or more like what he had become as result of the machine that was used on him. That being that it had seriously altered the mechanical double of Sonic.

For one, he was now a she as the machine had transformed Metal into a girl hedgehog that seemed around seven years old in age and look almost no different then normal mobian hedgehog expect for the fact that her metallic blue skin was clearly still made of metal as it was possible to see the sun reflecting off it now that the lab was exposed to outside world with the walls and ceiling blow away. Despite being a hedgehog, the only quills on her entire body were on her head with look more like hair then quills.

Blinking her eyes, which were still red pupils in black white eyes with no irises, the transformed hedgehog scratched her head, wondering what she was doing here. "Why am I here?" she thought out loud as she wandered around the room before catching a glimpse of herself in the reflective metal surface of cat mobian's tail.

"I am naked!" she yelled. It seemed this new Metal Sonic had a sense of modesty that most female mobians had, unlike their most of their male counterparts.

"Oh man, mom is going to ground me if she hears that I was out in public naked again," the new younger and female Metal Sonic said as she began frantically looking around for something to wear.

"There!" the young metallic hedgehog said as she notice a shirt she liked being worn by a mobian that had their life energy drained in mid stride and because they were on the edge of the explosion, it did not destroy them. It just knocked them over on their sides.

'I wonder what this strange place is. I do not remember why I even came here, let alone why it's full of broken statues,' she thought while stripping the mobian of their shirt, leaving them topless on the ground.

'This should do,' the transformed robot thought as the shirt she took was much larger then her now smaller body so it went down to her knee and the sleeves went well past her hands. Also she took the hair band out the statue's hair so that her quill like hair was in ponytail with three of them sticking out on her forehead (similar to Amy Rose).

'Perfect, now to get home. I am sure that mom and dad are worried and maybe oni-chan is looking for me, calling my name,' she thought as she quickly left the facility and headed for where she now believed her home to be. Not with Robotinik, but with Sonic and his family.

As the transformation that Metal Sonic had undergone was more then just to his appearance but also his (her now) programming, memories were seemly altered as well. Metal Sonic's memory was rewritten so that not only did he think that she was always female but the younger 'sister' of Sonic created from parts coming from both of Sonic's parents while they were both still robots. Also, rather then wanting to destroy Sonic and prove that she is the one true Sonic, the new female and younger Metal Sonic idolizes him as her big brother.

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I would like to thank King Hawke and DrangFangX for reviewing this story as well helping with the development of the intial idea