Once Melody arrived home, despite her guilt and shame, she quickly passed out on her bed. Your nanobots were swirling around her system, effecting her dreams…
******
Melody tossed and turned in her sleep as her mind was invaded by the porn that you had watched. Melody hadn’t seen any lesbian porn, so the nanobots simply copied what you’d watched and displayed it directly in Melody’s brain. That was combined with vivid memories of the sex the two of you had. Melody’s body was far more easily taken over than yours had been, as she’d already had nanobots in her system. Just like your own changes, Melody gained the same pleasant smelling, aphrodisiac pheromones, and just like your brain, Melody’s was changed to be far more focused on pleasure. As she slept, the nanobots surged through her system…
******
The next morning, Melody awoke with a surprise. Above her vagina, a hard 7 inch cock had grown, complete with nanobot filled testicles.
“What… I… I’m…” Melody panicked for a second. However, the nanobots quickly calmed her down. “I’m like Bri!” She said happily. The nanobots displayed images of you jerking off, and Melody’s eyes glazed over as she began to imitate it.
She gripped her hard cock and began jerking off, vividly remembering how she’d sucked you off. The shame and guilt disappeared from her mind and was replaced with arousal. She wanted more! She was so unbelievably horny!
Quickly, she blew her load, and an accompanying orgasm filled her vagina. She laid back, panting, as she recovered. Her eyes unglazed.
“I-I’ll call Bri… I gotta show her! Oh, but… she might be worried about her followup. Maybe I can go the night before.” Melody thought, her brain overrun by pleasure. The thought of telling the doctors at her office ran through her mind, but her mind was quickly overrun by negative emotions. “No, I’d get Bri in trouble! Or they’d take my lovely dick away! I can’t do it! Gotta act normal!” Melody thought.
And act normal she did.
For the next week, no one was any the wiser that Melody had changed. At night, she’d jerk off to the thought of you and her having sex again.
And soon, the night before your first follow up came. Melody showed up at your apartment and started knocking…
Meanwhile, you were too busy jerking off to busty lesbians to even hear the door. You’d gotten much, much hornier over the past few days, and your balls had swollen up considerably - though you didn’t really pay attention to that.
Melody, meanwhile, was conflicted. She’d taken a key - without permission - and thumbed over it in her hands. “Maybe I should head home.” She said. However, as she did her eyes glazed over.
“Or maybe I can surprise her. Calm her down.” She said, unlocking the door.
You were about to cum when you heard your door open and quickly close.
“Ah! Melody? I… don’t look… I’m…” you stuttered out, but you didn’t stop jerking off.
“Is… is that porn…. So hot…” she said, pulling her yoga pants off and revealing her cock.
“Woah!” You said, finally stopping your jerking.
“Melody… you got a… what happened?” You said.
“It grew in after our wonderful night. I’m sorry I left so suddenly. I’ve been dreaming about you since then. And… it never even occurred to me to look up porn… it’s so hot…” she said, licking her lips.
“Wanna watch with me?” You said.
“Yes!”
******
Soon, Melody was pounding your soaking wet pussy as two busty porn stars fucked each other with a double ended dildo on screen.
“So… so hot!” You yelled out.
Meanwhile, Melody’s eyes glazed over again. Her body modification nanobots were reactivating, and the porn on screen was perfect for the nanobots to latch on to.
Melody’s already impressive chest began to grow even bigger, each of her tits growing bigger than her head. Her hips and ass quickly followed, and more of her body began to change. Her hair became much more thick and luxurious, and her body hair completely disappeared. She was sweating far more than before, too, delivering a lot more of the pheromones than she’d been doing before. She became far more fit all over, and her stamina increased dramatically.
Next, her face became much more like a porn star’s, the nanobots giving her large DSLs, smoothing out any flaws, and giving her permanent, porn star makeup.
Melody’s cock and balls grew next, her already impressive seven incher growing while she pounded you from behind. Soon, it was a massive foot long, and you were happily embracing the increased pleasure.
Melody’s balls grew to tennis ball sized, filled to the brim with the nanobot cum. Finally, her breasts filled with nanobot rich milk, the nanobots now completely using her as a breeding ground.
Melody decided to show you her changes and, while still fucking you, grabbed you by the leg and turned you over.
You moaned louder and louder, but your eyes shot open as you saw your new and improved lover.
“M-melody? What happened? You’re… so fucking hot! Just like the porn sluts!” You shouted in between moans, your pathetic four inch cock rock hard.
“Fucking and porn feels so good! The nanobots…. They’re making me even hotter!” She shouted out.
Melody felt her balls tense up as she continued fucking you.
“I’m… I’m gonna fucking cum!” She shouted.
“Fill me up!” You moaned out.
You didn’t have to tell Melody twice. She shot her massive load deep inside your soaking wet pussy, moan-shouting as she did so.
You felt an unbelievable amount of pleasure as the nanobots started working on you for a second time.
Your tiny cock grew first, becoming even bigger than Melody’s at 14 inches. Your balls swelled up, having already grown to walnut size, and they, too, grew slightly bigger than Melody’s.
Your pussy gushed in pleasure as your hips and ass expanded, giving you the porn star ass that you’d been jerking off to this entire time. Your body hair receded as the nanobots made you much fitter, your flat stomach gaining abs. Your breasts grew next - though not as impressive as Melody’s, they far overshadowed the tiny B cups you’d had before, more than tripling in size, and just like Melody’s, they stuck straight up. Your waist, which had been slightly thicker than Melody’s, thinned out, giving you a real porn star hourglass look.
Your hair and face were next, your red hair becoming gorgeous locks that grew down your back. You gained DSLs just like Melody, and your makeup became just as heavy and permanent as hers.
Finally, as your changes finished, you blew a massive load, your nanobot jizz landing on you and Melody once again. As it had flown all over the room, you didn’t notice it landing on both of your clothes before absorbing into them and changing them to fit your new body.
******
You and Melody were now looking at each other in your full body mirror, fully nude. You’d shut the porn off, and while the two of you had cuddled for a bit, both of you were far too interested in each other’s changes to let them be.
“I’m so fuckin hot. And so are you!” You said, pinching Melody’s enhanced ass.
“I know! I’m so happy! Mmm, this jizz did this. We should make more girls feel good!” Melody said.
Your eyes glazed over. That sounded like a wonderful idea. Spread this as much as possible. Slightly robotically, you replied. “That sounds amazing.”
Your eyes going back to normal, your hand went to one of your massive tits. Pinching your tiny nipple, you watched as some milk flew out, landing on a poster you’d bought for some boy band - something you no longer cared for.
“I wonder if our milk does the same thing as our jizz.” You said aloud. However, you and Melody watched in amazement as the milk absorbed into the poster and changed it.
In the boy band’s pictures place was a sexy bikini model - as sexy as you and Melody, and with a clear cock bulge in her bottoms.
“Holy shit, that is SO fuckin hot!” Melody said.
“I know! Mmm, it just makes me so horny…” you said, kissing her and pulling her onto your bed. Now it was your turn to fill her soaking wet pussy…
******
The next day, Lucy and Sara were in the office.
“So, Melody never showed up today. Or called. Not sure what’s going on with her. She seemed fine last night.” Lucy said.
“Hmm, I don’t know. I haven’t been able to reach her out of working hours. It’s not like her.” Sara replied.
“Well I hope she’s okay. Anyway, the only patient we have today is Miss Murphy. She should be here shortly. I’m going to file some paperwork and I’ll join you two after.” Lucy said.
“Sounds good!” Sara replied.
******
“Fascinating. So you said you woke up like this?” Sara asked you.
“Yes! I woke up and my boobs were HUGE! And the rest of me! Not that I’m complaining, of course!” You said.
“Absolutely interesting. Dr. Lucy will be here soon, but I think I should do a full examination. Anyway, you should undress for me. It’ll only be but a minute.” She said. You noticed she was tugging at her collar. Her nipples were going through her shirt. The nanobot pheromones must be working.
“Okay, doc!” You said happily. You took off the top, which had grown from the nanobots, and revealed your massive, braless mammaries. You stripped your pants off next, revealing your huge cock and balls.
“Okay.. wow! I, um. Wasn’t expecting that.” She said, biting her lip as she looked at your cock.
She clicked her pen and started writing on her clipboard.
“Hey doc, can you, um, take a closer look at my breasts? They feel so… full.” You said, innocently.
“Oh, sure. Let me just…” she started, as she got closer to your breasts.
Suddenly, you squeezed them, shooting milk right at her. She spit as she got some in her mouth.
“Oh, sorry! I don’t know what happened!” You said, with an evil giggle.
“What… what was that?” She said, feeling a rush of energy enter her body as the nanobots infected her.
“Oh, sweetie. That’s just the nanobots you gave me! They’ve made a wonderful home in my body. They make me feel good! And I want to make others feel good!” You said.
Sara moaned as her body shifted. A cock grew above her vagina. “Oh, no! This is… something’s gone…”
“It’s okay. Feels really good! Don’t fight it! Just be like me and Melody…” you said, in a sing songy voice.
“Melody?” Sara said, as her body began to change more.
“Yes… she should be visiting Lucy right now… making her feel good.” You whispered.
Sara’s eyes glazed over as she whipped her new cock out of her scrubs. The 5 inch penis was rapidly growing as she stroked it.
“Lucy… gotta warn…” she started.
“Warn her of what? How good it feels? It feels amazing, doesn’t it?” You whispered.
Sara’s changes began to accelerate as her hair grew rapidly and her hips and ass tore what was left of her pants. Her body became fit, just like yours, as her waist became toned.
“Feels… amazing!” She moaned out, as her new balls tensed up and her 8 inch cock came.
“Keep going!” You said, encouragingly.
She moaned as her cock grew to ten inches, her balls as big as yours. Her hips and rear had already reached porn star levels as the nanobots invaded the rest of her body. Her vagina began squirting as her tits grew nearly as big as yours, filling with nanobot milk.
Finally, the doctor’s cute face became far sluttier. Her lips plumped up as makeup spread across her face. Unlike yours, though, hers was far more gothic. Black lipstick, heavy black eyeliner, black eyeshadow. You watched in amazement as her skin lightened. A choker magically appeared on her neck. Her hair turned pitch black and her bangs became perfectly styled as the rest of her hair grew down her back. The doctor was now a gothic porn star hermaphrodite version of herself.
She orgasmed once again, jizzing all over the floor of the room. Her eyes finally unglazed.
She kissed you, passionately. “Mmm, thank you. I’m so fucking hot and horny now!” She said.
“No, thank you, doctor. Your wonderful nanobots did this to me.” You said.
She looked at you with pure joy as the realization washed over her body. “That’s… so fuckin hot!” Her cock sprung back up to full mast.
Interrupting the two of you, Melody burst through the door, holding an unchanged Lucy. Lucy was far weaker than Melody, and Melody simply restrained her and picked her up to bring her in.
“Let me go!” Lucy shouted. However, the cute asian doctor soon realized what had happened.
“S-Sara…?” She asked.
“Yes! Aren’t I beautiful? I look like a hot goth wet dream!” She said giddily.
“No… our nanobots… what happened?” Lucy gasped out.
“Dr. Lucy looks upset. Why don’t you make her feel better, Dr. Sara?” You said, beginning to stroke your cock.
“What do you mean? What’s happening?” Lucy said, struggling as Melody held her close.
“It’s okay, Lucy, don’t worry. Everything’s gonna be okay…” Melody said sweetly.
Lucy looked in shock as Sara began stroking her new cock. Quickly after, Sara’s balls tensed up, and she splattered all over Lucy. Somehow, Lucy didn’t get any in her mouth.
Lucy looked in shock as some of the jizz began moving. “What is this… what’s happening?”
“Oh, interesting. Looks like the nanobots will go into a host if they can’t get in there willingly.” Sara said, writing it down.
Lucy clamped her mouth shut, but it was no use - the nanobot jizz went through her nose and down her throat.
“No! What’s happening? I don’t wanna…. Ohhhh….” She said, moaning, as the nanobots infected her.
Just as what happened with Sara, a cock quickly grew above her vagina. Her body hair quickly receded, and she desperately thrashed to jerk off her new cock.
Melody finally let Lucy go, and Lucy’s changes accelerated.
The short doctor ripped her clothes off as strength swelled through her body. Her body became toned and fit as her eyes glazed over. Her rapidly growing cock finally stopped at 15 inches - her balls growing proportionately. Her breasts grew next, though smaller than all of the others so far, her smaller frame made them look huge as they filled with corruptive milk - the same with her expanded ass and hips. Her black hair grew rapidly and thickened up as her face became “pornified” just like you, Melody, and Sara.
Finally, Dr. Lucy was one of you.
“That was so fuckin hottttt!” She shouted as she came everywhere, her eyes unglazing.
“Brianna, what should we do now?” Sara asked, as Lucy panted.
“Me?” You said.
“Yes. You’re the original host, the first, the most beautiful.” Melody said, blushing.
“Oh, um. Well, I think we should… make more people feel beautiful. Change the nanobots that haven’t been affected yet to make them sexy hermaphrodite nanobots.” You said, cautiously.
“What a wonderful idea. I’ll make it happen, boss!” Lucy said, with a big smile. The four of you left the examination room and went to the back - a lab with all sorts of science equipment. You noted the tanks full of liquid - you could only imagine they were the nanobots.
Lucy typed something away on a computer, and a slot opened up for the liquid. She took one of her large breasts and squeezed a bit of liquid in and then closed it.
Immediately, the clear liquid turned a milky white as the nanobots were changed and conquered by your hermaphrodite ones. The data on the screen shimmered and changed as a 3D model of a sexy porn star hermaphrodite appeared.
“All done. Now anyone who comes in contact with our bots will immediately become like us.” Lucy said with a huge smile.
“Good job! So, do you girls like porn? How about we take a break and watch some?” You said with a smile.
Lucy, Sara, and Melody nearly jumped for joy as their faces lit up, Melody stripping down to be naked like the rest of you.