She fucks another guy in front of her boyfriend to prove she prefers a smaller cock: [18F] [18M] [Cuckold] [Size humiliation] [voyeur] [cheating] [public place]

Christine sat down next to James, trying not to stare through the water at his naked body. He smiled nervously at her; no matter how many times they had seen each other naked during their three-year relationship, being naked in public like this was still a bit nerve wracking for both of them. Christine smiled back, reminding herself that it was perfectly acceptable to be naked in the gym’s hot tub after their workout- it was just like the sauna, and common culture to not wear clothes. Christine and James had been together since freshman year, and were starting to make plans with each other for after graduation- senior year was half over, after all. James made her deliriously happy, and she was looking forward to building a life with him.

They were alone in the hot tub room, and hadn’t seen each other since before the weekend due to each of their impending mid-term deadlines. “I missed you,” Christine said, leaning into James’ thin (and not particularly toned) body.

“I missed you too,” he said quietly, fidgeting with his hands under the water. They were both shy, but James definitely more so. Christine put her hand on the side of his face and brought his mouth to hers, her tongue finding his as they kissed. James was easily the best kisser she had ever been with- soft, measured, sensual. She let her tongue explore his, running her fingers through his dark hair. He ran his tongue slowly along her bottom lip, sending a ripple of excitement all the way down between her legs.

Maybe it was the couple of drinks she had had with her roommates at lunch, or maybe it was missing James all weekend- whatever it was that had Christine reaching for his cock under the water had them both surprised. “Christine!” he exclaimed in a stage whisper, his entire body jolting at her touch, “we’re in public!”

Christine smiled, deciding to lean into her uncharacteristic boldness. “There’s no one in here, and besides- I missed you,” she purred into his ear as she nibbled on his earlobe. James stopped protesting, his body submitting to her touch.

Christine wrapped her hand around his cock, stroking him to stiffness with practiced measure. James’s cock was small- she had been with enough men to know that- but he more than made up for it with his mouth and hands (and of course his personality). She moaned as she felt him harden in her hand, the blood pulsing in his cock only adding a couple of inches. She had the urge to straddle him; she wanted to let him take her in the hot tub, public place be damned, but a sound behind her had her leaning away from him instead. Someone was clearing their throat.

“Jon,” James said, the disappointment clear in his voice. James awkwardly adjusted himself under the water, wiggling out of Christine’s grasp and no doubt trying to hide his erection. Christine saw his whole face flush red and squeezed his hand reassuringly. Jon was an exchange student from Spain and lived in their building. They would hang out on occasion at group events, but James had never warmed to Jon’s Spanish charm. Christine, on the other hand, had become fast friends with Jon.

“Hey guys,” Jon said easily as he dropped his towel with quintessential European nonchalance, “mind if I join you?”

Christine looked at James, who was gawking at Jon’s half-hard cock. She followed his gaze in spite of her best efforts not to, and found her jaw dropping. Jon’s cock was absolutely huge, standing out slightly as he moved toward the hot tub.

He caught them both gawking, and paused, turning his hips slightly to swing it over. “Sorry, working out sometimes gets me hard,” he said with an easy laugh, clearly comfortable with his provocative nudity. Christine and Jon, both quite conservative, were blushing crimson.

“James, I’m sure you’re having a similar issue, sitting beside such a naked, beautiful woman,” he said suavely, leaning in to plant a flirtatious kiss on Christine’s hand. Christine blushed even more furiously, oblivious to James seething beside her. As Jon leaned in he made a show of looking Christine’s naked body up and down, then James’. “Oh, I guess maybe you don’t have the same problem,” he smirked, looking at James’ much smaller cock. It was still hard from Christine’s touch, standing straight up under the water, clearly dwarfed by Jon’s size.

James was silent, clearly humiliated. “Oh, stop it Jon,” Christine said dismissively, “James’ cock suits me just fine.” She squeezed her boyfriend’s hand reassuringly, neither one of them able to take their eyes off of Jon’s pulsing cock. He was leaning casually against the side of the tub, his cock on full display.

“That’s probably just because you haven’t had a real cock,” he said teasingly, twisting a piece of Christine’s hair in his fingers. “Stop it, man,” James said flatly. He put his hands in his lap, covering his inferior cock.

Christine looked at James, sympathy playing across her delicate features. She squeezed his hand again before turning back to Jon. “Like I said, I love James’s cock. I don’t want something like that,” she said, gesturing to Jon’s cock. “James is all the man I need,” she said, winking at her boyfriend. He flushed, an embarrassed smile on his face.

“Thanks, Christine,” he mumbled, still unable to look either of them in the eye.

“With such a puny cock, how can you even feel it?” Jon asked, continuing to twirl Christine’s hair in his fingers.

She pulled away from him, moving closer to her boyfriend. “It feels good,” she said definitively, “It feels great. Way better than how yours would feel,” she said in an effort to erode his confidence. Unfortunately, her words had the opposite effect.

“Oh really?” He said, putting a leg up on the steps so that his rock hard cock hung between his legs. “You think that his pathetic cock would feel as good as this?” he asked, thrusting his cock for effect. “I can’t wait to tell everyone that James has a small cock. Poor Christine, so unsatisfied,” he smirked to himself.

Christine swallowed hard. James studied his hands, still completely covering his small cock. Christine felt so bad for him in that moment; he was such a nice guy, and didn’t deserve to be the brunt of Jon’s cruel jokes. She decided to take things into her own hands, and demonstrate just how wrong Jon was.

“I think that his cock would feel better- I know it would,” Christine said, squaring her shoulders toward Jon. She looked him in the eye, showing that his cock held no interest to her. He smiled at her, and she couldn’t help but recognize how attractive he is. While her heart belonged to James, she couldn’t deny that she felt drawn to Jon.

“Wanna bet?” he asked, a mischievous glint in his eye.

“What do you mean?” Christine said warily.

“Well, if you’re so sure that his cock will feel better than mine, let’s test it out. Let me fuck you right here, and then you can tell me whose cock is better. We both know you won’t choose his- you probably won’t even be able to feel it after I take you,” he said confidently.

Christine found his arrogance both infuriating and intoxicating- it was contagious. She couldn’t let him have the last word- not with James sitting there so humiliated.

“I’ll take that bet,” she said, trying to ignore the smile spreading across Jon’s lips. James sat up straight.

“Christine, what the fuck?” he said, his face reddening in shock.

“It’s okay, James, really- nothing is going to make me want you any less. This way he will stop bothering you, and we can all move on. It will be over fast. I’m doing this for you,” she assured him, holding his hands in hers. She looked into his eyes, and then kissed him with all of her love.

James was speechless as Christine pulled away from him, moving toward Jon and his massive cock. He reached out and fondled her bare breasts as James watched from the corner of the tub. Christine blushed, struggling to feign indifference. His fingers gently teased her nipples, and she bit her bottom lip to keep from moaning. “See, you’re already excited to experience a real cock,” Jon said, cupping her full breast. He finally got into the water, sliding in beside Christine so that she was sandwiched between her boyfriend and the man who was about to impale her with his giant cock.

Jon made a show of reaching down between her legs, watching James the entire time. James sat perfectly still, his face a picture of quiet rage as he watched another man touch his girlfriend. Christine continued to control her face as best as she could, but it was made quite a bit more difficult as Jon started to rub her clit. “We will need to get you nice and wet so that you can take this cock,” he said gently, “it’s going to stretch you quite a bit more than what you’re used to.” He slipped a finger inside her, then two, and gently thrusted in and out of her pussy. Even Christine could feel that she was soaked.

Jon moved in front of her, wrapping her legs around him. “Are you ready to feel a real man?” he asked, teasing her pussy with the head of his massive cock.

Christine looked down, suddenly worried that he was too big for her. “Y…yes,” she breathed, finally taken over by lust. She screamed as he thrust inside her, filling her more than she had ever thought possible. Jon began to move himself in and out of her, coating his cock in her juices as he crammed every last inch of himself into her stretched hole.

“Jon…it’s so big,” Christine breathed, moaning as she took each inch of him.

“I told you, Christine,” he said smugly, moving his hips in slow circles so that his cock hit every angle of her body. “I told you it’s better than anything you’ve ever had.” With that, both Christine and Jon looked at James, who had withdrawn to the corner of the tub in an effort to put distance between himself and the scene in front of him.

Christine’s eyes were defiant as she looked back at Jon, “James feels better,” she said through gritted teeth. James gave her a half smile, but the defeat on his face wasn’t erased- she wasn’t sure it ever would be.

“Oh yah?” Jon said, planting his feet in the tub, “Are you sure about that?” He started thrusting harder, his hips slamming into Christine’s body with enough force to make her breasts bounce into her face.

“Jon, it’s too much,” she cried, barely able to hang on to the outside of the tub for balance. Jon was relentless, his massive cock feeling like it was splitting her in half.

“Say it, Christine, say you love it,” he said fiercely, showing no signs of relenting. Christine held on as long as she could, keeping her gaze focused on James as Jon pumped in and out of her. “Tell me mine is better,” he said, and eventually it was too much to bear; Christine moaned in ecstasy as his cock ravaged her.

Jon asked her once more if his cock was better than James’, and Christine screamed a resounding “Yes!” as an orgasm ripped through her.

“That’s it, that’s what I thought,” Jon said, slowing his pace in and out of Christine’s quivering body. She looked at James, tears running down her eyes as she mouthed “I’m sorry.” She realized that James had cum with her, the evidence of his orgasm splayed on his belly as he looked at her with devastated eyes. Jon was still happily fucking her, moaning as he neared his own orgasm.

She felt Jon empty himself into her, his thick cock throbbing inside her pussy as he shot his load in deep. “That’s it, take it all,” he said, holding Christine’s hips close to his body as his cock continued to twitch. Christine let it happen, her body still limp from falling over the edge, and her mind rife with conflict and regret as she watched herself get fucked through her boyfriend’s defeated eyes.

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Source: reddit.com/r/Erotica/comments/x2h270/she_fucks_another_guy_in_front_of_her_boyfriend