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Doctor Olivia Octavius the chief scientist at Alchemax studying the potential of accessing multiple dimensions among other things, she is employed by the Kingpin to build the dimensional Super-Collider for his plans. She wears a dark bodysuit that has inflatable soft robotic tentacles coming out of the back. She is also the super villainess Doctor Octopus. (1)

Octavius was fighting the different versions of her world’s dead Spider-Man, when a flying truck hits her. Breaking her neck leaving her paralyzed, unable to control her tentacles, she fell into one of the portals that were opening up around her. But the portal wasn’t one of her machines creations, the portal is one that open up because of her machine attracted the portal to open near it.

“Hey look it’s a female Doctor Octopus from Spider-Man,” a blue skin woman said looking down at her.

“Looks like her neck is broken,” a light purple woman said looking her over.

“Is she alive?” a darker purple woman ask.

“Looks like it, but she can’t move,” the light purple one said.

“Twilight that love-slave transformation machine we got is working right?” a light orange ask.

“The Lusticon? It should be,” the purple woman name Twilight said. (2)

“Strip her of that suit and put her in. We can see if we can’t restore her and make some improvements while we’re at it,” the orange one said.

Octavius couldn’t do anything as she was strip of her suit and taken away. Wondering what the women are going to do to her and what’s a love slave machine is.

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Later -

Octavius strap down in the machine that’s like a trash compactor could only stare as she wonders what it’s going to do to her. The machine closed down on her and the super advanced machine began transforming her body. She was tall and athletic but skinny, woman in her 40’s, the machine changed that.

The genetic enhancements made her body younger and stronger. Allowing her body to be able to handle what the sirens have plan for her. The machine also healed her broken neck, her poor eyesight, and other health issues due to her advanced age. Her body is able to repair itself as long as she has enough nutrients from food to fuel it.

Twilight and the sirens went a little overboard, out of pure sexual excitement when it came to make Octavius sexier. Her breasts were enlarged to a humongous size of J cups, full of milk and perfect for titfucking. The tech also transformed her nipples, making them really sensitive. Her flat butt was grown and the final product left her with mountainous ass cheeks the size of basketballs, while retaining her toned thin waist.

Then came the brain reprogramming where her old personality would be deleted and made to suit their needs. Her libido has been amplified to give her an insatiable appetite for sex. The brainwashing reduced her interests to virtually nothing but an obsessive desire for the sirens and Twilight, while keeping her knowledge and scientific skills.

The transformation and brainwashing made Octavius, into their brainwash sex slave. But before they gangbang her, Twilight wanted to have a go in the machine too, she wanted to get her own cock. Adagio decided to let her do it and place her in the machine too, she did fix some health issues and made sure to put loyalty into Twilight for her and her sisters. Twilight was already broken by this point but it never hurts to do some more. Twilight came out having been transformed by the machine to be much healthier and stronger than she was before and that she now has a 20 inch and 10 width cock and orange size balls.

“I have a cock!” Twilight said as she storks her large member.

“And we gave you a big one,” Sonata giggles as she and her sisters showed off their 15 inch cocks.

“Yes and you can join us in the gangbang,” Adagio said as she and her sisters grab Octavius and positioned her for their gang rape.

Octavius soon found herself with Sonata’s massive cock up her butt her tight asshole stretching around the siren’s cock. The others holding her stopped supporting her weight, but kept her legs spread apart as she, inch by inch, slid down the length of the massive dick in her ass. Her juicy butt cheeks molded against Sonata’s groin, spilling out over the sides of her.

Sonata leaned up and cupped her jiggling milk-bags with each hand, then pulled her down to lay on top of her, with her own massive breasts pressing around Octavius‘s head. Sonata likes Octavius‘s now larger breasts, her fingers sinking into the soft flesh of her boobs.

Octavius‘s vision went dark as her face was smothered with massive balls, instantly coating her in a glaze of pre-cum. She sputtered, taken off guard, and Aria took the opportunity to wiggle herself between her plump cock-sucking lips. Octavius gagged with despair as the slimy meat pushed into her throat, and she felt two powerful hands wrap around her neck. All sounds of protest from the jiggling sex object were ceased as Aria squeezed down on her airway. Her eyes went wide, slightly rolling up into her head. Aria massaged her penis with her throat, squeezing the flesh around it as she humped her length inside her.

Octavius barely noticed a cock push against her cunt-lips, then worm inside. With one thrust Adagio buried half her dick in her cunt, ramming against her cervix. She put her hands on Octavius’s hips, and roughly pulled herself against her, prying her cervix open to lay the path for her massive member to invade her womb. With an audible slap her waist smacked against hers, fully burying herself up her fertile orifice, her penis outlined beneath the skin of her tummy.

Twilight mounted Octavius‘s midsection, then flopped her cock between her huge breasts, which Sonata who is lodged up her ass released for her. Twilight caught each enormous orb in each hand, then slapped them together around her girth, her tips tickling Octavius‘s bulging throat. Twilight squeezing them tight enough that Octavius‘s puffy pink nipples squirted a small geyser each of milk, which fell back onto the breasts, lubing them for the titfuck to come.

All four of them let Octavius twitch on their hole-stretching cocks for a moment, and then they began raping her.

For three hours the sirens and Twilight who now can join in with her own cock plundered Octavius‘s tight ass, her warm cunt, her slurping throat, and her massaging cleavage. They all kept the same position as they pounded into the squirming slut relentlessly. They did not cease their humping the entire time, for all four had been on numerous raiding parties in other worlds where the magic time stop watch works, and their endurance when it came to raping could not be outmatched.

After another forty minutes of taking massive cocks, Octavius felt them all begin humping rapidly, their breaths becoming short and gruff. The way their waist collided against her body grew painful, but they did not care, their lust had overcome them. For Octavius herself she hasn’t stop cumming since they started fucking her.

Then, after so very long fuck fest, they all grabbed her with their hands and buried themselves balls-deep inside her, their cocks rubbing up against one another through the fleshy walls inside her. All four dicks throbbed, and Octavius choked as hot, virile, seeping cum blasted into her stomach, exploded into her womb, flooded into her intestines, and sprayed in between her jiggling breasts and onto her face.

The four rapists roared with pleasure as the ejaculated, groping every inch of Octavius‘s body with their hands, grinding their waists against her openings as their new sex slave filled with their cum. Octavius’s mind having already been brain washed by the love slave machine and the highly addictive cum of the 3 sirens filling her insides, completely broke what’s left of her mind, leaving only the willing sex slave behind.

They all stayed with their cocks still letting out their load in and on Octavius. They all pulled out of her and rearranged themselves, so that now Adagio has her breasts, Twilight her mouth, Aria her butt, and Sonata her cunt. Without giving her anytime to rest, they sank their cocks back into place and began fucking her all over again, just as hard and just as long as they did before.

By the time they all had a turn with all of her holes and breasts, Octavius would be completely and utterly destroyed by their massive cocks. She couldn’t live without their massive cocks raping her anymore and she would do anything for more. That’s when the sirens transformed into their full siren forms and showing a completely exhausted Octaviu, their real cocks. All that fucking was just to stretch her out and get her nice and lubricant her body for their real size.

“That’s right bitch, we can transform and we have much larger dicks now,” Aria said as she and Adagio lifted Octavius up and lower her butt onto Sonata’s now much bigger cock.

“More!” Octavius moaned out, as even with her body completely exhausted and spent, she still wanted more cum and more cocks of her new mistresses.

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Author's Note

1 - Spider-Verse

2 - The Lexx