Inez, of course, was enjoying a pleasant ride, all thoughts of you instantly dumped from her mind, save for the ever-present thought of 'I hope Allegra learns to adapt and overcome these trainings more efficiently, and actually grows from them'. She'd turned on the built-in fan functionality attached to the exercise bike's control pad, drank heartily from her water bottle, and had slipped in some earbuds to listen to her favorite pump-up playlist. She was having a fantastic time, and was genuinely convinced you were either having a good time too, or you'd one day reflect on this moment in a positive light at least.
Whereas anyone else in existence might've slowed down the longer they rode, Inez's pace only increased the further along she went in her ride. And you, of course, had to bear the brunt of that misery, as her ass cheeks pounded you harder and fiercer with each minute that went by. You were nearly beaten into unconsciousness by the unending rhythm of her butt cheeks slamming upon you, and you felt your malleable body begin to deteriorate into a shapeless blob as her booty smeared you into paste. More and more of your affected genetics soaked up your older cousin's sweat, as your mouth was so full it was practically overflowing, much as you tried to avoid swallowing her rancid viscous liquid pourings. All you could smell was her sweat-induced stench, and everything was of course pure darkness trapped under her all-consuming heavy ass.
Worse was when Inez started getting just a little bit itchy around the hour mark of her ride, and decided to tackle the aforementioned unwanted sensation by grinding her booty side-to-side against you. Your silent cries doubled in intensity at your cousin's actions, but it wasn't like you could actually do a thing to stop her at this point. You were her plaything, her little trainee, and her ass was the sadistic tormentor inflicting untold horrors upon you. So you could only moan in exhaustion as Inez wriggled about on the bike seat while still maintaining her fast speed of pedaling, subjecting you to a horrific fusion of booty cheek pounding and her smearing ass reducing you into more of a stain than a true seat cover, all while from Inez's perspective, you continued to be a comfy and absorbent seat cover.
In the midst of your agonized haze, you just barely heard a voice around the hour-and-a-half mark. Someone else had entered the room.
"Looking delicious, Nezzy." The teasing voice of Sloane said.
"I'm a sweaty mess, Sloane." Your cousin replied, hardly seemed tired at all. Her heavy ass nearly muffled all sounds, but you could still make out their conversation...not that you liked where it was going.
"Those are pluses in my book, you exercise goddess." Sloane giggled. "Actually, I might get a closer look..." Her voice trailed off, but then you heard the sound of footsteps, and...
Oh god, please no! You internally cried. Please, Sloane, no!
But Sloane couldn't magically hear your silent thoughts and prayers, and with a teasing smile, she climbed up onto the exercise bike and squeezed herself onto your cousin's lap...meaning that you were now being crushed by the combined weights of two unfathomably massive hourglass-proportioned giantesses!
You began silently screaming, but all that really did was accelerate the rate at which you were forced to swallow Inez's booty sweat, and her swampy ass was more than happy to accommodate by pouring even more sweat and stench into your mouth and nose. This time you really did almost pass out as the combined weight of several hundreds of pounds crushed down onto you, all while Inez infuriatingly continued pedaling, her ass cheeks boosted by Sloane's weight in even more ravenously and furiously pounding and grinding atop you. You could barely even feel yourself anymore, this bike ride having so thoroughly decimated and destroyed you. You were more exhausted than you'd been in months, Inez clearly making up for lost training time with the workout session from hell here.
Up above, Sloane was all smiles as she greedily stole a few kisses from her girlfriend.
Inez rolled her eyes. "Careful, Sloane. Both of us might be a bit much for this bike."
Sloane waved her hand. "Oh, pssh! We bought the sturdiest bike, remember! If anything, I'd worry about our seat cushion, or the cover. That poor thing was in need of a replacement."
Inez smiled. "Actually, that's the one part I'm pretty sure can handle us, and if it doesn't, I'll be severely disappointed."
"Oh, is it a new cover?" Sloane brightened.
"You could say that." Inez nodded. "Soft, supportive, comfortable. It's doing a good job. We'll see how it handled things when I'm done, and how long it sticks around for, but so far it hasn't been bad."
"Nice!" Sloane grinned (and also didn't really catch your cousin's weird wording). "Makes me wanna go for a ride once you're done! Or maybe Shaye will take a turn."
Inez smirked, knowingly. "Well, I'm sure the seat cover would appreciate the training, and being broken in. It could certainly use some more experience."
Sloane laughed at her girlfriend's weird wording again, then hopped off (leaving you to sigh in relief, even if Inez's big booty was still tormenting you). "Well, I'll fix up a snack for you in the kitchen when your ride is done, Nezzy."
"Thanks, Sloane." Inez nodded, then started up her music again as Sloane left the room.
Inez now only had twenty minutes left, and she kicked herself into high-gear for that final stretch. Pedaling faster than she had for the entire ride, Inez practically created a steam cloud from how fast she was going, the exercise bike barely able to keep up with what could've been an energy output strong enough to power an entire city. And, of course, you suffered all the while because of it, your older cousin's cheeks crushing you with so much force and pressure and pain and sweat that you could barely keep up with the overwhelming sensations of agony you yourself were feeling. Your entire world was just slamming butt cheeks, grinding asses, drowning in sweat, suffocating on stench fumes, and your entire malleable body aching with discomfort.
By the time Inez finally hopped off of you on the exact two-hour dot, you were barely holding on. You felt both numb and sore all over, and could hardly think straight. You could also barely see, Inez's ass having smeared away your human features to the extent you liked more like a weirdly discolored tan bike cover than your human self. You were also completely laden with Inez's booty sweat, marinating in the swampy miasma she left behind. And all you could do was keep sitting in that sticky cloud of death as Inez went off for a tasty treat, refreshing drink, and to cool off. She got to recover, while all you could do was keep suffering even after she'd left.
You were, in essence, the perfect bike seat cover, and you'd performed the role completely...and had hated every second of it.
1) Sloane is the next person who enters the room, here for her ride. She fails to recognize you, and quickly climbs up onto the bike and buries you under her booty.
2) Sloane is the next person who enters the room, here for her ride. She actually does manage to spot and recognize you, though. How does she react, and what does she do next?
3) Shaye is the next person who enters the room, having been informed of the new seat cover, and here for a ride. She fails to recognize you, and quickly climbs up onto the bike and buries you under her booty.
4) Shaye is the next person who enters the room, having been informed of the new seat cover, and here for a ride. She actually does manage to spot and recognize you, though. How does she react, and what does she do next?
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