It started with an argument. Whether Izzy was taking up too much space, or whether the guy getting in the way of her phone recording was doing it on purpose, it soon got into a heated confrontation. A few necks craned round to watch, but no one in the gym interfered.

It looked like it might boil over completely, with Izzy's face turning red and her stepping angrily up to him. But whatever he said next was quiet, and maybe even calm. He had a cocky grin on his face, and whatever he'd said had made her shut up. For now at least…

The few onlookers still interested raised their eyebrows as he touched her on the shoulder. She slapped his hand away, but didn't move backwards.

He was being an arrogant dick, but he'd called her out and it had hit home. She wasn't wearing this outfit just to flaunt her body, and she wasn't standing here just to let people watch her ass as she dipped into her squats. But they were both true to some extent…

And he was her type.

So when he laughed, put his hand back on her shoulder and asked, "Are you sure you don't enjoy acting like a slut in public?" Izzy couldn't help shivering with sudden attraction. She wanted this fuckboy, and unfortunately he knew it.

She tapped her tongue against her teeth as she debated whether she should give him her number now, or try and sneak off to fuck him in the changing room.

She wasn't expecting him to grab her ass over her leggings.

Suddenly she had no words to spit back in his face, and she didn't do anything to move away from him. She was truly shocked. Frozen in place. And now everyone would see him doing this, and her doing nothing! They'd know what she was. They'd know that she didn't instinctively push his hand away again, because her instincts screamed that she liked it.

"You've got a nice arse there. Solid work." Smirking and daring her to do something. The challenge finally freed her from paralysis, and she pushed his arm off her. Her cheeks were blazing with embarrassment and horror and spiking lust.

"Fuck off."

He just laughed at her, and stepped closer, forcing her backwards as she looked up at him. A position of weakness. A vivid image of what he'd look like if she got on her knees in front of him flashed into Izzy's mind. Her pussy twinged, but she blinked away the thought. No. Not now…

He raised his hand slowly, and looked down at it. She followed his gaze and saw that he was inexorably moving to grab at her tits. It was ridiculous, crazy! This couldn’t be happening! And if it was somehow actually happening to her, why wasn't she doing anything to stop it? Why did she feel so powerless to move?

"N..not here!" she managed to hiss. Admitting that she must want it elsewhere... But it couldn't be helped. She might still give him her number, but not before she'd fucked him somewhere private. Soon. But not here. Not in front of everyone.

His hand made contact with her breast and squeezed. Slooooowwly. His eyes burned a challenge into hers. She knew that she'd been seen for the secret slut she was, and a wave of bleak, seductive compulsion to fully submit to this stranger washed through her body.

She put her hand over his, in a futile show of struggling against his control. He just squeezed harder, and used her tit as a handle to pull her closer into him. He took her hand and guided it downwards. Then he stopped and let go. Her hand hovered near his crotch. He was daring her to make that final move herself. In close proximity Izzy could only smell him. He smelled sweaty, and warm. He smelled strong, somehow... More horny vertigo pulsed through her, and she clasped her hand onto the outline of his cock.

It twitched and throbbed almost immediately. It felt big. And Izzy needed it. Any semblance of decency and pride fled her thoughts. She needed this cock in her, now. The audacity of this guy was overwhelming her mind, and now the hard feeling of his growing cock was overwhelming her holes. Her pussy leaked into her knickers in anticipation. She licked her lips.

"Slut." Not just as an insult now, it was like he recognised her and named her. She nodded, almost imperceptibly. He grinned down at her, and put both hands on her. Izzy shivered and felt weak in the knees as his large hands roamed all over her body. She didn't dare look around the gym, not knowing what she'd see or perhaps more importantly who she'd see. Who was witnessing her consent to being groped like a common whore? Another pulse in her cunt at that thought.

The switch had been flicked in her brain. So instead of getting angry, she got horny. Instead of being outraged and shamed she felt invigorated and shamed. And instead of resisting she just fell to her knees as he pushed down on her shoulders

As Izzy sank down towards the floor her resolve broke, or maybe her panic needed to know, and she nervously glanced around the gym. Everyone was watching her. A couple of people were sitting on the fixed weight machines with their mouths open in shock. The usual group of guys clustered around the benches and dumbbells had stopped their workouts and were watching hungrily. Only those with headphones on and not facing her had their attention elsewhere. Despite how shamed and embarrassed she would be, Izzy felt like she really needed a friend to encourage her in that moment. To help out. Or make things worse... The dark, erotic possibilities of that thought reminded her of her need, and she turned to look up at the guy she'd submitted to.

She reached for his shorts, pausing to see if he had any shame or shyness about how public this was. Nothing, just that infuriating smirk and a flick of his eyebrows, telling her to get on with it. Out of hunger and pettiness she pulled his shorts down quickly, exposing his cock and ass to the room.

The veins and reddness of his girthy shaft enraptured her. As he stopped closer to her a waft of sweat and musky crotch stench hit her nose. It wasn't pleasant, but it was so fucking manly. She hated how much her mouth watered after smelling it. She reached tentatively to grip his exposed dick. It was slightly slick with sweat, and she got another premonition flash into her brain of the sight of it covered in her spit and her cunt juices. And then starting to spurt its creamy load... She closed her eyes to preserve the image and engulfed the head of his dick with her mouth.

Salty sweat and earthy pheromones filled her taste buds. She drew back instinctively and wrinkled her nose. She expected to be pushed back onto him, but he was surprisingly laissez-faire about it all so far. Maybe the nerves or public exposure was cracking his confidence?

Izzy swallowed and took the cock into her mouth again. This time she slowly slid her lips up and down the top of his length, getting used to the sensation and feel of the mass in her mouth. This wasn't the first time she's sucked a dick, not even close. But it usually took her a while to 'warm up' to it. She licked her tongue over the head slowly, and detected the semi-sour flavour of precum cutting through the sweaty musk. Instinctively she moaned before realising she had just groaned lewdly in front of a room full of people! She panicked for a microsecond, and almost stood up and literally ran away. But the impulse didn't last long. A little moan wasn't even close to the most embarrassing or intimate thing the gym was witness to...

Just as she felt her pounding heart start to slow down, just when she started to feel like she was moving back towards her comfort zone, she felt a sudden pressure on the side of her head and looked up to see the guy (whose cock was in her mouth and whose name she didn't even know...!) reaching down to tilt her head up and hold her head in both hands.

"You've got a soft little mouth, don't you?"

Izzy nodded eagerly at the praise.

"So why aren't you sucking my cock like a slut? You're on your fucking knees in the middle of the gym, you dumb slut. Why are you so shy?"

He pulled back on her hair with one hand and pitched her head back even further, painfully so. Then he rammed his cock into the back of her throat repeatedly, punctuating his commands with powerful thrusts she was physically unable to resist, even if she wanted to. His words mixed with the wet 'gluck' her surprised throat made.

"Suck. This. Dick. Slut.”

Despite how ridiculous it seemed to herself, Izzy felt like that moment was the closest she came to breaking, and rebelling against this disrespectful prick. Closer than when he'd groped her publicly without asking. Closer than when he'd pressured her to touch and then suck his dick... It didn't make any sense at first, because a flood of warmth radiated out from her aching pussy. She loved being bossed around, and loved being called a slut. She loved a challenge to, and was already responding to accommodate the force of his invasive thrusts. Then she realised why she was both turned on more than ever, and yet angry enough to sink her teeth into this thick cock pushing over her tongue. It was that he'd called her a slut in public. And she didn't spit his cock out, or gag so much that she had to stop. He was exposing her in front of everyone. After this the entire gym would know what a desperate, needy slut she was, and how easily she submitted to rough sex and degradation. The entire campus maybe. Everyone would know. The thought made her stomach flip over, but it also made her eyes flutter as she imagined the shame and humiliation of her reputation from now on. It hurt how much it turned her on. If anyone had been touching her clit in that moment she would have orgasmed instantly.

But no one was touching her clit. The stranger fucking her mouth was just using her for his pleasure, not concerned with her own. Which triggered her shame and humiliating circumstances to flood her pussy even more. A cycle of shame feeding the lust within her to greater heights with every minute she spent here. Every second her mouth was violated, and every lewd slurping noises that was forced out of her.

Abruptly he stopped, and let go of her head. She gasped in air and felt tears well up in her eyes from the rough treatment and the humiliation simmering from every disrespectful touch on her body. He pushed her back onto her heels, and then pulled at her shoulder to get her to stand up. When she didn't immediately obey, he took a grip of her hair. She lurched to her feet, coughing, before he could apply pressure. She'd not let him pull her up by her hair like a whore. But he could have, easily. She knew it. He knew it. Everyone knew it…

She didn't look down, but she wondered if she had a wet spot at her crotch. She'd worn her white leggings, which would probably show her desire and shame quite clearly. She saw that she'd lost a few members of her audience and wondered if she should be offended that people had left her performance early. Or maybe they were rushing off to fetch some friends. Or reporting her to security.... How could she even begin to explain this? Would it show up on her record? Could they get arrested for this? Would her parents find out...? Real terror rocked her for the first time. But then his hands were on her again, and she refocused on what he wanted from her. What was important right now. Was it time for her cunt to get fucked?

"Hey slut, can you hang from that?" He was pointing to a middling bar set across the steel frame of the free weight structure.

She frowned, not sure what he meant or why he was asking. "Um yeah, why?"

"I mean upside down. Could you take that?"

There was maybe a genuine hint of concern in his voice, or at least a seriousness that hadn't been there before. Which might have been touching if it wasn't also insulting.

"Of course I can... Move out the way."

She took a steadying breath before jumping up and swinging from the bar. She hauled herself up and slipped one leg over it so that she straddled it, before flipping the other leg over too and perching on it. Another breath, pointedly not looking around the room as she brought even more attention to herself, if that were possible. Then she clenched her knees tight, held her abs together and swung backwards so that she was hanging upside down from her legs.

Her hair dangled down below her as she watched the stranger regard her. His expression was hard to read from below, but maybe he was impressed. Then her attention was grabbed by the proximity of his cock, shiny with her saliva, back in front of her face. The angle wasn't perfect, but by doing a jerking little reverse crunch motion she managed to catch it in her mouth again. It felt like she was taking control now; being proactive in demonstrating what a flexible slut she could be rather than just an obedient, humiliated one.

That sense of satisfaction was short-lived. He settled into a lower stance to better align their bodies, then placed what was presumably a precautionary hand spanning her thigh and calf as she hung from the bar. Then he seized another fistful of hair and started to fuck her face with true abandon.

His cock filled her mouth and naturally pushed deep into her throat rather than being forced down at an angle. He had free reign to pummel the back of her mouth and throat. And he wasn't being gentle…

Or slow. All she could see were his balls pulled tight to the base of his shaft and his legs. She put both hands on his thighs and tried to steady herself under his pounding. Drool leaked from the corners of her mouth and hung below her in thin strings. The sound of wet gagging filled the room. She was causing it, but had zero control over it. She was utterly at his mercy.

He pushed his fingers between her legs and rubbed against her through her leggings and underwear. She groaned at the unexpected sensation, and swung wildly as she almost lost her grip on the bar. She clenched her abs and started to bob upwards against his thrusts more eagerly, hoping to feed his pleasure and then move this along to a position where he would actively be fingering or fucking her. She needed release.

But so did he, perhaps too soon as a result of her renewed and rapid sucking. She couldn't see his face or hear anything but a guttural grunting. His pace quickened, until he was just sawing into her drooling hole as fast as he could. A throbbing, and deep powerful thrusts. And then his hot salty cum was splashing against her throat and back of her mouth. He moaned long and deeply, and held her head up to let him empty himself as deep inside her as he could.

Almost instantly the sour liquid began running out of her throat, and pooling in her mouth. As he pulled out of her, strands of hot jizz leaked out too. And then it all started to leak out, and as she coughed and bent her torso some fell the wrong way in her mouth and it was inside her nose and building pressure inside her that felt wrong and painful and beyond humiliating to be happening in public. She spluttered and retched, snorting cum out of her sinuses and throat, and with his help managed to swing down from her position to the floor without injuring herself. And as gravity reversed its pull on the liquids inside of her, she started to cry and retch up sticky spit and cum onto the floor.

She lay there, with her head and hair soaking up the puddle of freshly deposited mixture of semen, saliva and her stomach contents. She didn't know how long she lay there. She heard whispers and murmuring voices around the room, but no one approached her. When she finally raised her head off the floor, her stranger had vanished. Probably running away before security arrived. Using her like a piece of meat and then abandoning her. She felt cold inside. What was wrong with her? Why'd she let that all happen?

Someone touched her leg and she jumped, startled out of her dark thoughts by the contact. It was someone she knew. One of the guys who always came in together around around the time she was usually here. What was his name, Kevin? Kyle? Something like that. She reached out to pat his hand. She needed to feel some human touch just then. He moved his hand away from hers. He massaged her legs and then up to her ass and hips. She shuddered. He reached the waistband of her leggings, and started to pull them down.

He leaned over her as he started to strip her and said in a deep voice, "You're not done yet, slut

Part 2, and possibly 3, to follow soon.