>have futa pet
>tease her every day
>make her edge every night
>pump her full of supplements and hormones to increase her cum production to maximum
>each morning the bulge in her panties gets bigger and bigger
>her balls swell to such a size her panties can't contain her anymore
>one day wake up to find her thrusting against you in desperation
>she's double the size now
>her face is flushed red
>her cock is the biggest it's ever been
>she's gushing precum everywhere
>she's literally begging you to let her cum
>you attempt to plug her up 
>just you fondling her as you insert the plug tinges her precum with white 
>she rolls over in bed moaning, cradling her balls 
>her stretchy pajama bottoms fill out as she gains another few inches right there 
>a puddle of precum forms underneath her despite the plug 
>your futa pet starts having explosive wet dreams every night 
>you double her cum supplements and edging sessions as punishment 
>a few days pass 
>her bulge is absolutely enormous 
>she's so big her balls heave above the elastic of her pajamas 
>no matter what you do she splutters cum with every movement 
>she alternates between begging you to let her cum and letting her get even bigger
>she tells you she wants to have the biggest cumshot in her life
>you mount her from behind, lift her chin up and tip the bottle of cum supplements into her mouth 
>she greedily gulps it all down 
>as soon as you take the bottle away she gasps one word: 
>"more" 
>you tip another bottle into her compliant mouth 
>and another 
>and another 
>she pulls away from you coughing 
>she wraps her hands around her balls and lets out a guttural moan 
>tears roll down her cheeks and she can barely breathe as she gets even bigger
>her pajama bottoms, barely able to contain her to start with, rip and tear apart 
>her balls, perfectly round and packed with cum, reach her knees 
>your cumplug is forced out by a huge torrent of cum 
>a massive, disgusting, ropey river of cum erupts out in a long stream lasting tens of seconds 
>your futa pet meekly tries to stop the flow with her hands but just makes it splatter everywhere 
>she looks up at your apologetically saying she couldn't help it 
>you make her swallow it all as punishment
>she shakes her hips in frustration as she gains another few inches
>she barely lasts 10 minutes before an equally huge torrent of precum floods the bed
>seconds later you can almost see her loins bulging with semen as she threatens to leak even more cum
>she tells you with tears in her eyes she's completely full and can't take it anymore
>a long night passes
>your futa pet tosses and turns all night
>you can feel the mass and weight in the bed getting bigger and bigger
>she pleads with you in a sleepy daze
>all she can think about is cum
>it's morning
>the covers have been lifted off the bed by your futa pet's new size
>her breath shudders and she quietly moans at the feeling
>you tug back on the bedcovers
>she's massive
>her gigantic balls force her legs apart
>perfectly round, pert, and packed hard with semen
>her tiny pair of white panties now barely contain the base of her swollen cock
>her pajama bottoms are tugged down her legs due to her size
>"i'm so big" she murmurs as she runs her hands across herself
>her loins visibly bulge with fluid
>her prostate is massive and hard as a rock
>her seminal vesicles are bloated with fluid
>her cock is thick with cum
>while touching herself a single, tiny drop of cum escapes her cockplug
>her eyes widened and she immediately puts it in her mouth
>the taste drives her wild
>your futa pet grasps at the sheets
>she desperately thrusts her hips, her gigantic balls swaying heavily in reciprocation
>"i can't"
>"there's so much"
>"there's so much cum" she whimpers
>you tip up her chin and she meekly submits as you pour another years supply of cum supplements into her mouth
>she bites her lip as her new growth spurt forces her legs even further apart
>despite the huge dosage she only gets a little bigger
>"there's too much"
>"i'm so full" she gulps
>you begin to unbind her cock
>your futa begs you to hurry
>torrents of precum gush out as the binding loosens
>you whisper as you remove the plug for her to hold back
>it takes everything for her to resist the simply massive ejaculation begging for release
>a huge dollop of milky pre balances on the tip of her cock
>"please let me cum"
>"please let me cum"
>"please let me cum"
>you run a single finger up her shaft and she completely loses control
>her gigantic balls jolt as an immense amount of fluid is forced to the base of her cock
>the first rope to erupt from her cock covers her in more cum than any bukkake
>the next rope is even bigger
>her legs helplessly spasm as she clasps them around her balls
>each shot becomes thicker, whiter and bigger
>she scoops up a huge handful of cum and uses it as lube
>aiming her cock at her mouth she furiously swallows but just can't keep up
>a ridiculously thick puddle collects in her cleavage
>her balls, cock and entire body are covered with perfect glistening strands of semen
>her cum is so thick it lands and splatters with a heavy thud
>her brimming balls bounce and her cock violently jolts with each monstrous eruption
>your futa pet cries out in ecstasy as the biggest orgasm of her life just gets bigger
>she squeezes her gigantic balls hard between her legs
>her back arches
>an enormous arc of cum erupts from her and coats the wall
>her eyes roll into the back of her head
>more and more and more cum explodes from the tip of her dick
>your futa peta constantly wipes away cum from her mouth only to drown in more seconds later
>you fix a tube between her cock and mouth
>she hysterically gulps down
>her tummy swells to pregnant proportions
>you take the tube and while she's still gasping for air shove it up her butt
>she's full in seconds
>the feeling of being completely full of cum enhances her orgasm tenfold
>her ejaculation and orgasm are so massive she's on the brink of blacking out
>you repeatedly draw condoms over her spasming cock
>she fills them with gallons of cum instantly
>you tie them off and play with the idea of forcing her to drink them later
>your futa pet is lost in ejaculatory bliss, mindlessly toying and teasing mountains of cum from herself
>she shifts around in the huge mess she's making with a smirk
>there's so much cum she can feel the weight of it around and on her
>her massive ejaculation finally starts to subside
>rivers of cum run from the bed
>the entire floor is hidden under a thick puddle of cum
>the wall behind the headboard is completely covered
>spiderwebs of cum hang from the ceiling
>there's nothing in the room that hasn't been touched by a deliciously thick white ribbon
>your futa pet looks absolutely beautiful covered in cum
>she wipes away the thick glaze from her face one last time
>she gasps and moans for minutes in the afterglow of her orgasm
>her cock still lazily pulses cum across her tummy and cleavage
>finally, she lets her arm fall to her side in exhaustion
>"it's going to take months of fapping to get back to normal" she pouts
>"but i don't want to go back to normal"
>she looks at you
>"i want to cum even more next time"