FSE

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Sonic was bored, an all too common occurrence of late. Eggman had died a little over two years ago and just like that there wasn't a lot of need for Sonic to do anything. For the first year he had been fine after all there was still plenty of running around to be done finding out who needed what, and who was still missing. Then it had hit him he had been demoted to messenger and the tasks grew more and more tedious. About two months into the second year the communication network had been sorted out and he wasn't even needed for that. Sonic had grown accustomed to attention; it was just something that happened when you were an entire town's most notable figure. There simply wasn't a need for somebody with Sonic's skill set. Sonic tried not to let it bother him, he went out for runs treating the environment as a high speed obstacle course. That had worked for the rest of the year but now each day he felt less and less inclined to go out.

Sonic stared at the chili dog in front of him, his head resting on the table as he considered whether or not he was actually going to eat it. "Am I just eating because I'm bored?" he asked himself. Since he had stopped running he was starting to put on weight for the first time in possibly his whole life. "Maybe but we gotta cure boredom somehow." Sonic said before stretching his neck out and stuffing the whole dog into his mouth. "Good lord I need a distraction..." Perhaps the worst part of the whole situation was loneliness. Sally, Bunnie, Antoine and the rest of his friends were busy cleaning things up, getting people settled in new homes, and toiling tirelessly to repair the damage one evil genius had done. Sonic's speed was an enemy in such fields he did not, could not, make himself slow down enough to do those tasks without making mistakes.

Sonic was dragged from his third round of debating going back to bed by the sound of his phone ringing. Sonic zipped to the phone pulling the handset from the receiver. "Sonic speaking." he said and then winced of course it was him speaking, Tails had moved out a year and half ago. The hedgehog missed his foxy friend with those sparkling blue eyes that warm yellow fur and those nice tight looking buns. Sonic shoved those feelings away as the other side of the line spoke.

"Hey Sonic. Been awhile since we talked, sorry about that." Sonic had to pause, the voice sounded familiar, but he couldn't place it right off.

"Tails? Buddy is that you?" Sonic asked.

"Yeah? Oh guess my voice changed. I went through a bit of a growth spurt last year." Tails explained. Sonic's mind drifted how much had Tails grown to make his voice deep like that? How much muscle had he added, how big had his balls gotten? Sonic shoved those thoughts away shaking his head. "Anyway i was calling to tell you uhh..." Sonic could just imagine the Fox tilting his head staring straight ahead as he tried to recall the escaped thought. "Oh yeah! I finished up a big project and I wanted you to come see it! You know, so I can show off a bit!" Sonic's mind instantly conjured an image of the golden furred fox displaying his naked body while resting atop some high tech platform.

Shoving that mental image aside, Sonic gave his reply. "Sure thing Tails I'll be there in a few!" he said before a thought hit him. "The address is 1993 Genesis drive right?"

"No, that's my apartment. The lab is 1998 dreamcast lane." Tails replied. "You know how to get here right?"

"Give me some credit." Sonic said, recognizing the fox teasing him. "Be with you shortly. He said hanging up the handset. "I guess I need to put on some pants..." he said before squeezing into a pair of his running shorts. "Yeah I need to do something about my diet..." he said as the skin tight garments proved a little too skin tight.

---

Dreamcast lane was a little road along a lake famous for how fast the fish population had returned. It was aplenty with hiking trails, fishing piers, nature walks and parks. Sonic found Tails' lab fairly easily because it was the only concrete structure around and painted dayglo orange. The lab was more or less a shack that led into an old bomb shelter, Sonic noted as he slid down the locking hatch in the floor.

"Hey Tails! I'm here!" Sonic yelled into the cluttered lab. There were partially and fully disassembled badniks, swatbots, and egg pawns of every stripe covering every surface. The floor, the tables, benches, and stools were strewn with gutted and destroyed robots, a few were even dangling from chains hooked to the ceiling. "Place looks like a horror show..." Sonic muttered to himself.

"About time Sonic! Did you take the long way around?" Tails said walking from behind a shelf loaded with spare parts. Sonic's jaw hit the floor at the sight of the fox. Tails fur was more vibrant than ever thanks to bands of brown that divided the white and gold portions of his fur. The fox was taller than Sonic by a solid foot and half at least now. His tails were longer and fluffier than they'd ever been but the part that caught the hedgehogs attention most was the bulge in Tails pants.

Sonic blinked, forcing his eyes away and scolding himself. "Well guess you weren't kidding about the growth spurt." Sonic said trying and failing to not stare at the muscles Tails open lab coat exposed.

Tails grinned smugly. "Not the 'little buddy' any more huh Sonic?"

Sonic nodded. "Alright so where's your big project?"

Tails beamed his eyes twinkling with pride. "Right this way!" he said, guiding Sonic through a labyrinthine stack of half completed and dismantled devices. Sonic considered that he should offer to help clean things up around here.

"So I assume the maid is on vacation." Sonic said as they entered a corner of the room where the junk had been swept back. In the corner was a cylinder that looked an awful lot like an old Roboticizer machine.

"Don't be silly, I don't have a maid..." Tails looked around him frowning. "Maybe I should get one though..."

Sonic stared uneasily at the device in the corner. "So uh what's this do? Wait no. What is it for?" he asked, deflecting the barrage of technobabble that was sure to come.

"What it's for is healing the people who have been negatively affected by Eggman's reign of terror. With this I can replace missing limbs and organs, heal scar tissue, and even reverse robotization." Tails said, clenching his hands before him and rocking them in excitement.

Sonic was having trouble focusing on the foxes words for the next part so he missed how the fox had already set the machine up for a vixen that would be coming in tomorrow. Sonic found his gaze flicking over Tails features especially the bulge in his pants and trying to picture the fox without the garments in the way. Sonic shook his head as Tails stepped up to the control unit.

"I found a way for the machine to channel the energy from chaos emeralds to make bodies exposed more malleable. Once the ray gets going the mechanical arms pull, and stretch and things into- Sonic?!" Tails cut himself off. He had engaged the machine to show off the process but now that he looked up the blue hedgehog was in the now sealed tube.

"I was just taking a look inside. Sonic said before walking into the glass door. "Oh." Sonic said before the multi hued chaos beam fired off.

The chamber was filled with light only shadows of the action were visible. Tails would have known what was going on regardless though. The first action the machine took would be to slice away Sonic' clothing exposing him fully to the ray. Next it would start with the minor cosmetics pouting his lips, lengthening his eyelashes, thinning his brow, reshaping his nose, adjusting the claws on his hands and feet. Next would come soft tissue changes. The fat from around his gut would be squished away as his torso was pinched from all sides forcing the fat up and on to his chest massaged and grown into breasts. That same fat would be forced down into a rounded ass. The machine would wait until the ray had soaked clean through Sonic before proceeding to the next phase bones. Sonic's hips would be stretched out giving him a wide waist before moving down stretching out his legs as it gave him thick thighs. Next a special arm would tug on Sonic's tail yanking it out longer before fluffing it out. Then back up pinching in his waist as it stretched and thinned his arms. Finally it would adjust the head tweaking his muzzle and ears to fully resemble a fox. The final stage was his internal organs: three specially designed probes would be inserted. The first orally, the second rectally and the third through the urethra. Tails was sure of what would happen next the three would do their job reporting that Sonic was missing the female reproductive organs and suffering a severe hormone imbalance. The arms would whir to life pushing against Sonic's cock and balls pushing them back into his groin sub arms would sculpt the fleshy hole into a proper pussy as the probe and arm sensitize the newly forming fem sex creating a womb and transforming his testes into ovaries. Meanwhile the probe injected orally would trigger the production of the 'correct' female hormones while inhibiting the 'incorrect' male ones. Their tasks finished the probes would dissolve from the body as the arms set Sonic down. The ray stopped and the light faded as Sonic was lowered to the ground.

Sonic now was a near perfect doppelganger for the vixen the machine had been told to fix. A large breasted, thick-thighed, narrow waisted mother of four who had lost her left eye, arm, and tail during the fighting. Sonic's left eye was colored gold now as a result of the machine trying to replace a perfectly functional eye. His fur was still blue but other than that he -rather- she was now a very hot vixen. The tube opened up and Sonic stumbled free.

Sonic was giddy Tails hadn't performed live tests with this machine before so he had no way of knowing about how fantastic it felt to be exposed to the ray. Sonic was on cloud nine her head was abuzz with feel good hormones. It was like hitting the end of a ramp at full speed. The moment of weightlessness as you hang in the air, a sensation that everything had led to this. Sonic giggled as Tails swept her up in bridal carry moving through his lab, she stared at his handsome face thinking to herself he had always been so cute. When the twin-tailed fox set her on a mattress she lifted an eyebrow.

"Oh my my Tails! First you turn me into a vixen and then you take me straight to your bed? A gal could get ideas." Sonic said giggling like mad as Tails stammered in embarrassment.

"It was an accident I-" Tails finally composed himself enough to get out, but Sonic wasn't done yet.

"You have always been so cute when you get flustered." She declared sending the fox into another fit of sputtering. "Have I never told you that? I feel like I've said that a million times. Maybe I just thought it though." Sonic ogled Tails openly unafraid to be seen doing so. "Honestly I think you've gotten better looking with age." She declared sitting up in the bed facing the flustered fox. "You really did grow up to be such a handsome beast. She said sliding his lab coat off his shoulders. "And here I was expecting you to be all cute and small forever."

"S-s-sonic?!?!" Tails stuttered out as the blue vixen took hold of his shorts.

"These seem awfully tight on you right now..." Sonic said rubbing over Tails bulge giggling when his cock twitched. "I want to see just how much you've grown." she said before tugging the elastic down causing Tails half hard cock to flop free alongside his balls.

"Sonic! Stop, this is just the hormones..."Tails said, slightly panicked even as he mentally pleaded for her not to listen. "I can get you back to norm-"

Sonic interrupted the twin tailed fox by lightly pushing her lips against his cock. "This is normal." Sonic said fondling Tails balls with one hand as she stroked his cock with the other. "I think about this kind of thing all the time. Not just you but just about every guy I know." Sonic grinned up at him and Tails felt a thrill wash over him.

"Crap, I guess I owe Antoine thirty rings." He said smiling despite the loss. "He bet me you were gay when i was ten." The fox said as he reached full erection his cock bobbing before the vixen who eyed it hungrily.

"Mmm i think i might've been but well I'm perfectly straight now." Sonic said, kissing the tip of his cock. "After all it's perfectly normal for a vixen to want cock." she said before taking Tails into her mouth taking him in until she started to gag. Sonic was a bit disappointed she couldn't get down to his groin right away but there would be time to practice. She slid her mouth up and down Tails rod loving the taste of his cock and the scent of his arousal. She reached down rubbing her tits as she licked and sucked at his length. It felt so good in ways she had never dreamed of to blow Tails. Gradually she became aware of a feeling inside her of emptiness; it didn't take her long to figure out how to fill it though. Sonic leaned back Tails cock sliding from her mouth as she leaned back propping herself up on her arms. "Think that got us both fired up... want to try zone two?" the vixen asked as she spread her pussy lips.

Tails was breathing hard, his cock dribbling a stream of pre-cum as it throbbed eager for more attention. "I'm going to fuck you like there's no tomorrow." he said lining up his cock with her sex.

"Ooh big talk let's see you put your- AHHH!" Sonic cried out as Tails' rod sank into her all at once and suddenly she recalled that both of them (or at least to her knowledge) were virgins. Tails was just a little too girthy for a first time with no lube to be fully comfortable even with how worked up she was.

"Sonic it's-" Tails sucked air through his teeth. "You're too tight!" Sonic nodded and then shook her head.

"You're too big." she panted as her pussy couldn't decide whether this was agony or ecstasy. Tails leaned in pushing his lips to hers, his tongue sliding into her mouth. The two foxes lost themselves in the kiss tongues twining and sliding against each other. The tension between their bodies faded Sonic's sex adjusted to Tails manhood and as the Vixens death grip on Tails cock faded the Twin tailed fox shifted his hips back. The two started slow, neither of them really getting into a rhythm with the other but both getting what they were after. For Sonic the feeling of being filled was alien and wonderful especially since Tails had such a monster cock rubbing along all the sensitive parts of her pussy. Tails gasped and moaned he had been worked up earlier but Sonic's pussy was so much better than her mouth (not that he ever planned on telling her that.) he wasn't sure how much longer he could last but he was sure of a few things.

Breaking the kiss, Tails leaned back holding Sonic by the hips. "Sonic, I want to cum inside you!"

"Oh, like I could stop you..." Sonic Moaned licking her lips. "...If I even wanted to." Sonic said, throwing her arms around his neck and wrapping her legs about his waist. Her bottom barely on the bed as Tails speed up his thrusts becoming ever more erratic. Sonic moaned louder and louder she could feel her orgasm coming even though it felt nothing like when she had cum as a man. Her whole body tingled with warmth that stood every hair of her fur on end. Tails balls smacked against her plump rump even as they started to pull up.

"Fuck i love the sound you make." Tails said breathlessly as he pulled Sonic's hips against his holding her in place. Sonic was confused until she realized what was happening and then her world went white. She gasps as her body tingles all over as she feels the warmth of his cum fill her and Tails cock twitching as her pussy milks every last drop from his balls. Tails gasps and pants as she slowly returns to her senses, he shudders in her grasp collapsing on top of her.

"You make some pretty fun noises too." Sonic coos in his ear. "Come on, Tails get all the way into bed now." she tells Tails as he catches his breath

"I'd much rather sleep on you." Tails says as he pulls back the vixen slowly relaxing her legs so he can pull out.

"Mmm not a bad idea..." Sonic says stop thinking. "Tell you what, let's both curl up and take a nap. You can use my boobs as a pillow." Sonic gasped as Tails pulled his cock from inside her. Sonic was mildly embarrassed as Tails spunk immediately started to leak from her pussy.

"Deal." Tail said as he got on the bed pulling Sonic close to him he rested his head on her breast. "You make a great pillow." Tails said falling into slumber easily

"It's your turn next time." Sonic replied with a yawn, already drifting to sleep.