Inspired by The Incredibles - Mother & Daughter Relations With Mezmerella (NSFW) commissioned by solddate with art by Oo_Sebastian_oO.
Mistress Dora strode out in front of the desk and in front of her class as the superheroines Elastigirl and Invisigirl stood and displayed their bodies to her class of slutty and sexy scientist-slaves. Vi was simply naked. Helen wore her new slave costume except that instead of a leotard with a boob window she wore a white crop-top with her old Elastigirl logo. She showed plenty of underboob and her MILF pussy was every bit as exposed to her audience's wanton gaze as her daughter's.
"This is the superheroine Elastigirl, aka Helen Parr." Helen jumped a little as the cold metal of the pointer Mistress Dora was carrying tapped between her legs at the bottom of her slit. "Like you she has been hypnotized and is now an eager lesbian sex slave. All feelings for men have been erased. She is now an obedient slut eager to fuck like the rest of you. However, unlike you she has also been hypnotized to love incest. Elastigirl, please demonstrate for the class."
"Yes, mistress."
Helen hesitated a moment. She didn't know Mistress Dora very well yet. Perhaps she should kiss her beloved Vi? On the mouth, or tits or even lick her pussy? What did mistress want? Mistress Dora seemed much more direct than Mistress Mezmerella. Helen put her hand on Violet's cunt and pushed her middle and ring fingers into her daughter's vagina. Violet sighed happily at the penetration. Helen was so glad she could give Violet pleasure like this and make her feel happy and loved. She worshipped Mistress Mezmerella as a goddess for the hypnotic instructions that had changed them.
"This is the superheroine Invisigirl, aka Violet Parr. Also a hypnotized fucktoy, also an incestuous slut. Demonstrate."
"At once, mistress."
Violet placed her own hand over Helen's pussy and penetrated a little into her wet depths with the same two fingers. Fuck, it felt wonderful to Helen. Helen could feel her daughter's pure love through the fingers pushing into her pussy.
"Both have superpowers. Elastigirl has the ability to stretch her limbs and other parts of her body to prodigious length. Invisigirl has two connected abilities. The ability to make herself invisible and the ability to generate force fields. Demonstrate on the class."
"As you command, my mistress."
Helen and Violet continued to gently probe each other's pussies as the obeyed Mistress Dora's latest command. Helen's neck snaked out and she began briefly french kissing each of the science sluts in turn, starting from the back. She couldn't see what Violet was doing to demonstrate her power of invisibility but she could certainly see how she was demonstrating her force-fields. Just before Helen reached a woman to kiss, two tiny purple force-field bubbles would appear between each breast and the costume that concealed it. Then they would immediately expand tremendously, one side constantly reshaping to knead the slut-in-white's tits and the other shredding or popping whatever covered them so that they were explosively exposed.
By the time Helen and Violet had demonstrated on each of the two dozen women, even the Indian scientist who had interrupted them earlier, their superheroine pussies were pulsing on the edge of orgasm.
"Very good, slaves. Now cease fingering each other and follow me behind the desk."
Helen and Violet suppressed moans as once again their foreplay was interrupted. But they obediently followed Dora behind the desk. Obedience was a pleasure all of its own to their hypnotized minds.
"Just stand there for now. Now, class, as you know I have an immense Elastigirl fetish. All of you have worn the costume, all of you have been fucked while pretending or even believing you were Elastigirl. That's why I want you all to watch as I fuck the real Elastigirl."
Helen looked out at the class, imagining these women dressed in her old costume, all believing they were her and fucking. Goddess, it was so incredibly hot.
"Elastigirl, bend over the desk. I'm going to finally taste your sweet nectar. Class, stay where you are but pleasure yourselves as you feel necessary. Invisigirl, you may do the same but you may not come."
Helen complied at once, face and breasts on the wooden desk and legs parted. Her fingers spread her pussy so Mistress Dora would have easy access to her slave cunt. Moments later a tongue licked along and then wiggled into her cunt. Prepared by Vi's fingering Helen came a little at once, a small orgasm making her squeal in pleasure. Mistress Dora licked up the pussy juice with all the feverish devotion of a slave instead of a mistress. Mistress Dora was incredibly skilled.
Helen looked out at the gorgeous women masturbating as they watched her come. Many had pulled opera glasses from the drawers of their desks. They were studying diligently and Helen understood just how much Mistress Dora had practised for today.
"Fuck, yes, yes, mistress. I'm cumming a-aaah-AGAIN, MISTRESS!"
By the time Helen had come for the third time she understood that somehow Dora had turbo-charged her slave-lock. That for her the rules of the universe meant she gushed in orgasm more easily and more frequently than an ordinary slut. But for now it seemed Mistress Dora had drunk her full.
"Amazing, Elastigirl. Goddess, you taste every bit as good as I imagined. But I want to fuck my Elasti-slave, and I want to know it. Twist at the waist, all the way round so I can play with your tits and still take you from behind."
"Mmmm, I love new sex positions, mistress."
Helen pushed herself up on her hands and then twisted her waist through 180 degrees without moving her legs. Then she lay back down with her breasts pointing at the sky. The short length of her crop-top meant that Mistress Dora was getting a good view of the flesh of her big tits. And she could see Mistress Dora again and behind and to the side of her Vi with her fingers pushing slowly in and out of her pussy and watching with an expression of incredible hungry lust.
Mistress Dora leaned forward to grab a breast even as her middle finger pushed into Helen's leaking pussy. Helen's bucked a little. The extended oral sex had left her super-sensitive.
"Make it tight, Elasti-slave. Demonstrate your super-cunt."
Helen obeyed at once, making her pussy so tight a single finger stretched her a little. Tightening her pussy concentrated the nerve endings in her cunt even more. As Mistress Dora's single digit stretched and filled her the sensation was incredible. Helen was having trouble coping with the incredible sexual pleasure building inside her. Her hips and knees bucked into the wooden desk and her chest heaved with her breathing. She was barely aware of Mistress Dora groping and fondling her tit with her other hand the sensations from her cunt were so overwhelming.
"Nnnngh. Mmmph. Nnnch."
"You like that, don't you Elasti-slut? I can feel you're close. But I want more from you, slave. Make your tits twice as big."
Nearly mindless with the pleasure coming from the finger twisting and pressing inside of her, Helen still obeyed. She was an obedient sex slave, a lesbian slut, and obedience meant even more pleasure. Her tits ballooned hugely in size leaving each almost as big as her head. The extra size made them less sensitive in proportion to their growth.
"Yeeaaaaaaahhhhhhhhh," Helen tried to acknowledge her mistress's order but the orgasm overwhelmed her. She felt like she was drowning in pleasure and then the next and the next of the powerful multiple orgasms broke over her till there was nothing left but a twitching thrashing orgasm in the shape of a brunette woman.
For the first time in her life Helen Parr squirted as she came. Whether it was the contracted passage her pussy juices were faced with or the brain-melting force of the orgasm she didn't know. But she covered Mistress Dora's hand and thigh with her lesbian ejaculate and when she finally recovered enough to know where she was (Mistress's Dora's desk) and who she was (a hypnotised fucktoy) pleasure was still leaking out of her cunt and down her thighs.
"Wow, mom, wow!" Violet was looking at her with awe, too stunned to play with herself.
Helen loved Vi but she was Mistress Dora's sexual experiment right now. She ignored her daugher in favor of watching as Mistress Dora happily licked squirted juices from her hand and scooped it up from Helen's thighs.
"It tastes different, Elasti-slave. Muskier. I think that will be a special treat for us. I'd ask you to keep it secret from Mez but you won't, will you?"
"No, it would harm Mistress Mezmerella's interests. She's very interested in me. Hihi!"
Helen's hugely expanded tits wobbled obscenely like jello as she laughed. The effect was mesmerizing, or so she would have thought if she didn't know what real mesmerism was.
"Mistress Dora, please let me pleasure you now! You've fucked me so incredibly. Hehe. But all I've done for you is let you taste me."
"Helen, keep your tits as they are and untwist."
Helen wasn't sure whether to be disappointed at Mistress Dora's instruction but she obeyed at once. Her breasts were so big now they kept her neck almost a foot off the table. Apart from that she was back in a position possible for an ordinary woman. It made it easy for her to watch the scene of heaving bared bosoms and twitching pussy-fingering spread out amongst the desks in front of her. She giggled as she realised that, of course, as submissive sex slaves dedicated to their mistress's pleasure they all shared in Mistress Dora's Elastigirl fetish.
"Elasti-slut, clasp your hands behind your back and stretch your arms if needed so you can push those clasped hands a few inches behind your ass."
Helen obeyed again stretching her arms a little to make it possible.
"Now, let's use your powers fully again, Elasti-slave. Twist your clasped hands so that the fingers are uppermost and the fingers pointing towards or away from your ass."
Helen had to stretch one arm longer than the other, but apart from that it only took a little added flexibility at the wrists. She was beginning to guess and hope for what came next.
"Almost there, slave. Raise your index fingers and make them, oh lets say eight inches long for now. And as thick as three fingers. Mmmm, that's it. You wanted to pleasure me? Well now, Elasti-slave, you're my very own double-dildo."
Helen felt Mistress Dora grab her clasped hands to steady them and guide the elongated fingers. The next sensation was of Mistress Dora's pussy lips hot against her fingertip as the villainous physicist ran Helen's oversized digit along the length of her labia. Then Mistress Dora pushed herself a few inches down Helen's finger, penetrating her wet warm cunt. Helen did her best to cooperate as Mistress Dora slowly pushed herself down the whole eight inches of the finger. Helen loved the feeling of it being swallowed in her mistress's velvet depths.
"Yes, yes, make me cum, Elastigirl. I've wanted this so many years. Yes!"
Mistress Dora's hips pushed and pulled and Helen's finger pistoned as together they found a rhythm. Slowly picking up speed, slowly picking up urgency as Mistress Dora's pussy began to clamp around the finger intruding inside it. Helen's concentration was total, her dedication complete, as she gave her mistress pleasure. With a gurgled yell of pleasure Mistress Dora came.
"Yes, finally! Finally fucked by Elastigirl!"
After that it was obvious that the other elongated and thickened finger had to be rammed into Helen's slut pussy, Mistress Dora's hips slapping against Helen's fists and ass as ass thrust back onto penetrating finger. They almost came together, the technology of the slave-locks allowing them to continue fucking as soon as they caught their breaths. So it was that Violet was ordered to lie on her mother's backs, legs in the air and wide parted. Helen got her wish as her fingers were used as the double-dildo that fucked Mistress Dora and Vi simultaneously.
"Ready to come, Invisis-slave?"
"Y-y-yes, mistress. Please, mistress!"
Helen couldn't see Violet's face, but she could feel how her daughter's hips were twitching in near-delirious desire and the pleading tone of her submissive voice. But Mistress Dora had ordered her not to come until commanded and Vi's hypnotized mind was utterly obedient.
"Soon, Invisi-slave. Soon."
But with a slurp of leaking juices Helen felt Mistress Dora pulled her finger-dildo out of Violet's clenching pussy.
"Invisi-slave, get off your mother. Elasti-slave, twist at the hips again and show us those titanic tits."
Mistress Dora's slaves complied at once, Violet's whole body trembling from the denial of the orgasm she so desperately needed.
"Elasti-slave, do you know why you're bent over a desk? Why I've only take you from behind?"
"I can guess, mistress, but I won't say if you don't mind me being cheeky. Hihi!"
Helen wiggled her ass seductively, wonderfully aware of how wet her pussy and thighs were, as she watched Mistress Dora barely visible through the impossibly deep canyon between her unnaturally large hooters. Even so Helen could see the double-dildo (her fingers!) still sticking erotically out of her mistress's cunt. Could feel her mistress warm and wet around her digit.
"Yes! This ass has been in so many of my dreams."
Hands groped Helen's ass and spread a little of her pussy juice over her buns as if to emphasise the wetness of those dreams. The other end of the double-dildo smacked against Helen's thighs suggestively.
"Elasti-slave, let's make this truly memorable. Make your butt bigger, Elasti-slave. Remake yourself to fill my dreams. Invisi-slave, sit on your mom's face and play with her tits. You'll come soon, but not yet. Elasti-slave, be nice to your daughter."
"Yes, mistress," the superheroines turned sex-slaves chorussed together. Helen didn't have to move as Violet's lovely young pussy appeared above her. Tongue stretched out Helen was already licking her daughter's sweet nectar from a foot away as she lowered her pussy lips for the lewdest kiss. Helen's breasts were so huge, Violet's rested atop them as she sat on her mom's face. Violet grabbed her own tits and began to rub their nipples against one another.
At the other end, Helen expanded her booty slowly, unsure just how big her ass should be to be perfect for her mistress's sexual purposes. The signal to stop was clear, however, as the hands stroking her embiggening butt stopped stroking to squeeze hard. It felt good enough to make Vi squeal as Helen's pleasured was transmitted through her tongue to her daughter's cunt.
"Yes, goddess, you're the perfect ass-assin. Your killing me with lust. Hehe!"
Mistress Dora took a hand away from feeling one of Helen's huge ass cheeks and pulled a drawer open. Before revealing its contents to Violet she pressed a finger to her lips to signal her to be quiet. Then the same hand pulled one of Invisigirl's hands to her. Swiftly and with practiced movements, plus the happy compliance of her slave, she had a condom over one of Violet's fingers and was one-handed squeezing cherry-scented lube over Invisigirl's latex sheathed finger.
"Invisi-slave, be a good daughter and make sure mistress doesn't hurt mommy."
Mistress Dora grabbed both of Helen's big butt cheeks and pulled them open. Violet was ready and pushed the condom-protected finger covered in lube and extra gobbets of lube against Helen's anus. Helen was taken by surprise, her whole body jumping, her tongue ceasing to suck down Violet's cream. Helen was tight and Violet could feel her shaking beneath her as she penetrated steadily into her ass.
Once again Helen's huge hooters were wobbling obscenely, the motion redoubled everytime Violet squirmed her lubed finger deeper into her mom's ass. Violet herself was beginning to shake and twitch. Her body needed to orgasm and finger-fucking her mom's ass for the first time would have been enough to make a slut like Violet had become gush on its own. Even hypnosis had its limits as Violet's body threatened to pass beyond her mind's ability to control and force her to disobey her mistress.
"Good girl, almost there."
"C-ca-can't hold. Mistress! P-please, please, don't-- Obey. Too much."
Violet's finger was as deep as it could go passed Helen's anus as she babbled almsot incoherently. Mistress Dora pulled Invisigirl's finger out of Helen's ass and examined it cautiously, then critically, then gave it a sniff.
"Perfect. The slave-locks are keeping you cleaner than an enema. But it pays to be sure! Invisigirl, you may come."
With a wordless scream Violet came on Helen's face, a dozen pent up orgasms flooding up her spine and out her pussy simultaneously. Helen was still beneath her, but she rode her face and tits like a rodeo rider faced with the orniest of steers. By the time she came back to her senses, Mistress Dora had squirted more lube over Helen's anus and the double-dildo made of her own fingers was two-inches deep in her ass, stretching it painfully and pleasureably.
"Invisi-slave, lean forward. Watch as I ass fuck my personal hero. Make sure she enjoys it."
"Yes, mistress. It's beautiful."
Violet leaned forward, breasts resting on breasts as she watched Mistress Dora slowly thrust inch-by-inch into Helen. She could feel the progress through Helen's tongue as clearly as she could see it. She reached a hand forward, just barely able to reach Helen's clit passed the barrier of her mammoth mammaries and began to stroke it.
Helen came with the finger-dildo only two-thirds inside her. But Mistress Dora fucked them both for many more minutes in many more positions till eventually she was done.
"Elastigirl, Invisigirl, return yourselves to normal and get dressed. Class dismissed."
Violet clambered off Helen and Helen sat up as her breasts and butt shrank back to their normal size. They dressed quickly, by now practised in removing and dressing in their new slave costumes. By the time they were ready the desk and chairs and science sluts were gone and all the machinery was back in place leaving the school desk and blackboard cramped and out of place again.
"That was payment for all this." Mistress Dora gestured at the huge annex to the physics department and all its machinery. "Hundreds of millions of dollars of funding arranged by Mez and years of my life, but worth every cent and second to fuck Elastigirl."
"Hear that mom? You have a billion-dollar booty. Hehe!"
"No, Vi, I'm a cheap whore. Hihi! After all our pimp Mistress Mezmerella is getting everything and all we got was used. So wonderfully used."
Helen and Violet put their hands on each other's asses and followed after Mistress Dora.
"Come, slaves, let me show you the Door and explain the invasion."
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