She wants you to help her prank someone first

"Alright, tiny Tommy, I'll give you the serum... on one condition..." Taunting you further, Becky’s ass gyrates on top of your face once more before sending a small bounce against your head. A condition, really!? Can’t she see how desperately you need that serum!? You’d curse her out, but you’re in absolutely no position to do so.

Stuck beneath Becky’s massive and doughy cheeks, you can’t help but smell a musky odour radiating from her panties, and Becky’s increased body heat (a consequence of shoving herself into such a cramped space with no AC) only adds to the dizzying sensation. Sweat begins to drip onto your lips as Becky presses down a bit harder. Despite how pissed you are to be in such a humiliating position, you decide it’s best to sit still and hear Becky out, not that she’s leaving you much of a choice. You desperately want to escape, or even just see the light of day again, but you need that serum even more which means you can’t risk making her angry. You lie there and wait for Becky to explain her stupid condition, trying desperately not to think about the tantalizing sensation of a gorgeous ass virtually engulfing your entire head. You certainly don’t want to get any smaller, much less stroke Becky’s ego by letting her know how badly she’s got you all hot and bothered.

Becky takes a moment to relish her power over you before continuing her speil. She loves throwing her weight around on people smaller and weaker than her, and, thanks to your shrinking, teasing you is the most fun she’s had in a while! Becky shifts her body around, slowly and sensually stroking your face with her pitch black panties. Her warm crotch pushes against you and dips your nose into her moist panties, making it obvious that you aren’t the only one getting turned on by this situation. Nevertheless, you diligently try to suppress your arousal, hoping to avoid another shrinking spurt, but Becky’s soft sweaty skin overwhelming your senses makes this difficult.

The Big Bully starts wiggling in place, making you grunt against her amazonian body while she smears her ass a few inches down your face. She looks over her shoulder and sees that your head is still shrouded by her skirt. She puts a hand on your head and brushes her skirt towards your nose, rewarding herself with the sight of your feeble face just barely poking out from beneath the curvature of her ass. Now you could see part of her gorgeous face looking down at you with smug glee, just loving how comfortable you feel under her.

Becky swivels her hips a few more times and taunts, “I gotta say, little man. You feel pretty good like this. I think you missed your calling as a chair.” She looks back at your rather obvious erection, finding it hilarious how much she’s got you thirsting for her after only sitting on you for like a minute or two. “You’ve certainly got the wood for it,” she snorts, punctuating her joke by rubbing your cock against her thick thigh a few times. Despite your efforts to keep still in hopes that Becky might get bored with you, you can’t help but squirm at this, finding Becky’s touch too exhilarating to ignore. The Big Bully snickers upon feeling you writhe beneath her and ups her game by firmly closing her legs, trapping your erection between their soft, fleshy embrace. The casual motion on her part sends a jolt of lighting through your body, making you yelp in pleasure against her ass. Becky feels your muffled cry of hopeless arousal vibrate against her and snickers. “But enough joking around, back to business. And what better way to start than with a little demonstration?”

Becky gets up onto her knees and makes sure to trap each of your arms between her calves and thighs, ensuring you’re not going anywhere. Lifting herself off you slightly, she chuckles evilly as she pulls out a small packet from between her breasts and pours a tiny granule on your nose. Within seconds, a horrible itching sensation overtakes you, but, since your arms are trapped, you can’t scratch it. "This right here is Grade A itching powder,” Becky explains. “And I want you to pour this allll over Sadie's underwear. That’ll teach that hick to upstage me." Becky’s smile slightly fades as she angrily recalls her last match against Sadie Mae Mcully, also known as the DWA’s ever-loving Southern Charm. Currently too itchy to care that Becky’s forcing you prank a coworker, you lift your head back into her looming shelf of an ass and start stroking your face against her panties in a **** attempt to relieve the itching. You can’t believe Becky’s got you doing something so demeaning!

Becky perks up upon feeling your face vigorously motorboating her ass. “Man, this tiny perv’s really got it bad for me, huh,” she smugly thinks to herself, failing to realize that her stupid little itching powder demonstration left you with no other way to scratch yourself than with her butt. Becky’s over-inflated ego enjoys the fact that you’re pining for her so much, but she thinks you’re getting a little too familiar with her ass right now. She drops her heavy rear back onto your head, effortlessly rendering you unable to move under her weight. Not able to scratch yourself anymore, your body convulses under her, frustrated beyond belief in a variety of ways.

Becky can’t help but snicker at how much you seem to enjoy being bullied by her. "I'll give you the serum, _after _you've done the deed. Got it?" Becky grinds against your nose, unintentionally relieving some of your itch. "After all, I still need you tiny so you can sneak in and out of Sadie’s room without her noticing." Becky lifts herself off of you for a second, "do we have a deal?" Stuck between an ass and a hard place, you nod in agreement while also frantically sneaking in a few more rubs against Becky’s butt. Damn that itching powder! Becky stands up then bends over, bringing her gorgeous face (and her deep cleavage) close to your face. "Good boy,” she says while scratching your nose slightly.

Becky beckons you over to a vent located near a bottom corner of room, one big enough that you can easily walk through at your current size, and opens it. You’re about to ask how the hell you’re supposed to find Sadie’s room, but she surprises you by getting down on all fours and squeezing her way in there first. “Move it or lose it, tiny,” she barks, expecting you to follow her while she plows ahead through the extremely cramped space. “Unless you’d rather spend the rest of the day being my chair.” You give a resigned sigh and follow after her. Once you’ve caught up to her, you find yourself eye-level with her gigantic shifting buttocks, her soft skirt occasionally revealing her black panties as it flaps about in the slight breeze of the ventilation system. You try your best not to think about the creamy, wobbling ass glistening with sweat and taking up your entire view, lest you shrink again (but, hey, at least the itching powder has finally worn off).

As you follow Becky, it feels like you’re going around in circles, meandering through a large chunk of the huge venue while hitting dead end after dead end. You’ve walked past various vent exits and hear quite a lot of noise from outside each one. Walking past a gym you overhear a couple of girls (who look sorta like twins from this angle) arguing over something meaningless. At another exit, you catch a glimpse of a scantily-clad woman doing a tantalizing dance to Bollywood music. It seems like many of the women here are just as colorful as Patty and Becky; you just hope they aren’t nearly as bitchy...

You and Becky are lost in the vents for so long you start to lose sense of time. You get so disoriented, barely paying attention to where you’re going or where you’ve been, that you turn a corner and immediately bounce right off Becky’s huge awaiting ass before landing between her spread legs. Becky’s laughter echoes annoyingly throughout the vents, “Nice of you to finally join me, but we took a wrong turn, so I’m backtracking.” Without waiting for you to get out of the way, Becky gets her knees under her and shuffles backwards, forcing you to scramble to your feet to avoid being bulldozed by the larger girl. Becky calls over her shoulder, “Go left!” to direct you, but you quickly discover that she’s stupidly navigated the both of you into another dead end. You look back to see her gigantic skirt-clad rump still edging towards you, rapidly closing the distance between herself and the wall, "Uh, Becky, there’s no room back here… Becky?"

Becky feels the edge of the ventilation wall with her feet, “Wha-?” Confused as to how she could have possibly taken a wrong turn, and completely ignoring your warnings, Becky continues backing up until she’s pinning your torso against the cold metal with her enormous behind. "Outta the way, pipsqueak!" Becky scolds as her impatient movements press your body firmly into her ass, leaving you (once again) face-first against her panties as you try feebly to push her away.

Eventually Becky pauses and states the obvious, “Huh, looks like another dead end. Didn’t you listen to my directions, twerp!?” Refusing to believe she could have made a mistake in her navigation, Becky reaches between her legs and flicks your erect cock in frustration. As you squirm in discomfort, Becky complains, “Okay whatever, shut up for a second so I can think.” She slides down, dropping her gigantic ass against the ground so she can sit more comfortably. You end up flattened beneath her, unable to point out that she had been the one who got the both of you lost… Meanwhile, Becky was taking her sweet time thinking of the route to Sadie’s room, and begins gyrating her hips across your face while tapping a finger to her chin.

After a few minutes of thinking, Becky finally slides off your face, leaving you soaked in her sweat. As she crawls away you follow ruefully. Finally Becky stops in front of a vent,and you nearly collide with her butt again. “Aha! Finally.” You can’t really see what Becky’s talking about from behind her, but you can distinctly hear a woman with a southern accent cheerfully singing while shower water runs nearby. You must’ve finally reached Sadie’s room. Getting into “stealth mode,” Becky carefully removes the vent cover while silently beckoning you to get in front of her. After some effort, you manage to squeeze your way between her plump thighs (she really should’ve let you enter the vents first if things were gonna turn out like this) and crawl your way beneath her looming body. Just as you’re about to make your way out past her and into Sadie’s room, Becky suddenly knocks you onto your back, forcing you to look up at her. “H-hey! What’re you--”

“Shhh. Keep it down, pipsqueak,” Becky whispers. “Before we go through with this, I just wanna make sure you’re a little smaller, to make sure you don’t get spotted.” Suddenly, she drops her chest onto you, crushing you from head to toe in its massive softness. As your head sinks into one breast and your stiffening cock presses into the other, your muffled complaints are lost in the yielding expanse of Becky’s warm sweaty flesh. She drags her breasts back and forth along the cold vent floor for a few moments, making sure you’re good and horny. She says she’s doing this for the sake of the prank, but that doesn’t stop Becky from enjoying this immensely, as seen by the satisfied grin on her face.

Finally, Becky lifts herself off you, leaving you dazed on the ventilation floor. From just a glance, she can tell you’re no more than 6 inches tall now, which makes her giggle. Remembering her plan, she says, “Alright, tiny. You’re up. Don’t disappoint me” before passing you the packet of itching power and literally chucking you out of the vent, leaving you no time to get your bearings. Luckily, her aim is good and you land on a pile of laundry nearby the bathroom door, where you hear the singing coming from. You shoot Becky and angry look, but she just taunts you by blowing a kiss before pointing towards some fresh clothes a few yards away from you. Those must be what Sadie will put on when she gets out of the shower. You make your way towards the clothes and notice the enormous pair of white panties sitting atop them. Suddenly, you hear the shower water stop, and there’s a pleasant humming heading your way. Sadie’s coming! Just as you open the packet of powder and manage to pour a small amount on it, the bathroom door swings open.