A Different Kind of Party
Copyright© 2025 by Fanlon
Chapter 13
Erotica Sex Story: Chapter 13 - Tom and Mandy dreamed about what it would be like to go to a swinger party. When they received an invitation, they were ecstatic. There was only one little problem: that invitation came from Tom’s little sister, Stephanie. They would discover far more from their new friends than they'd ever imagined.
Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa Mult Fiction Brother Sister Group Sex Swinging Exhibitionism Oral Sex Voyeurism
The mood in the room had changed. Just looking around, everyone seemed on edge. Not the edge of argument, but the very edge of desire. It would only take the slightest movement to push us all over the edge and into a full-on orgy. I couldn’t argue with that because I wasn’t immune to what was hanging in the air. Even though the story Beck had told was in the far, far extremes of taboo, it was still incredibly erotic, and I would be a liar if I claimed her retelling hadn’t affected me, or more importantly, my dick.
“Wait, so all of the guys who lost...” Mandy paused, trying to think of how to work her question. “They just had blue balls?”
“Oh God no!” Beck laughed. “We all stayed where we were until the guy we were with came. Then, we took off their blindfolds so they could see whose mouth they’d finished in, and before they were released from their restraints. Speaking of which, Tom, can you show me to the bathroom?”
“It’s up the stairs on the left.”
“Daddy,” Beck squeezed my thigh, hard. “I want you to show me where it is.”
“Wait, what?” I stammered, suddenly confused and knowing I’d missed something very important.
“Babe, don’t be an idiot,” Mandy said. “Escort Beck to the bathroom, you big goof!”
“Why do I need to, oh!” My eyes widened and I blushed furiously, finally catching on to what was going on.
“Better late than never,” Jeremy joked, and everyone busted out laughing.
“Did Miranda do that for Adam?” I heard Mandy ask as Beck and I headed towards the bathroom.
“Nope,” Stephanie replied.
“So, he never knew?” That was the last thing I heard before I was yanked into my and Mandy’s bedroom.
Beck’s lips smashed against mine the moment we walked into the room, and it felt like the temperature in the room suddenly rose ten degrees.
“Wow, Beck, you couldn’t wait until later?” I asked, gasping as our lips parted, a little surprised at how truly aggressive she was being.
“I couldn’t wait anymore, just thinking about that night was getting me so hot.”
“You mean the story about Miranda—”
“God, yes!” She was almost panting as she replied.
“Seriously?” I asked, I mean, it was kind of hot, even if it made me feel weird just for thinking that way. I mean, it was SOOO wrong on even more levels than I could start to explain.
“You weren’t there.” From the fire I saw in her eyes, I wasn’t going to argue.
“Fair,” I nodded.
“Okay, we don’t have a lot of time,” Beck said, looking over my shoulder as if checking to see if anyone was watching. I twisted and saw the door was wide fucking open. Not just cracked or halfway, but it absolutely couldn’t have been any more open. Not without taking the damned thing off its hinges, anyway.
I was just about to move to shut it when Beck dropped to her knees, her fists grasping at my legs, keeping me where I was.
“Daddy, can I please suck your cock?” Beck looked up at me, her eyes pleading as if she would die if I said anything but yes. What was I supposed to say to that? ‘Sorry, Beck, I don’t think so.’
Fuck no!
“Hell yes!” I nodded, and she grinned, yanking down my pants and boxers in one fell swoop.
“Mmm, I love Daddy’s cock!” Beck said, before her head rocked forward, her lips parting as she took my shaft into her mouth. Fuck!
I gritted my teeth; the sudden warmth of her mouth and her eagerness were enough to make me want to come instantly. I didn’t want that, not one bit.
Beck pulled off my cock, jerking it in front of her face like it was her job.
“Don’t you dare hold back on me,” Beck’s eyes were hard, determined. “I want you to come in my mouth, right now.”
She took my dick into her mouth again, and I groaned, my knees feeling unstable all of a sudden. I was about to say that I wanted to make sure she was going to come too, but I must have missed it when she’d pulled her own pants down, and I could see her hand furiously moving inside of her panties.
I didn’t hold back. Even if I’d wanted to, it wasn’t possible. The needy look in Beck’s eyes. The way they silently begged me for what she wanted, never once looking away as she worked with unmatched fervor. When she started to whine, I lost it. My balls tightened, my cock jerked in her mouth, and she moaned in anticipation of my come. Three, four, five shots filled her mouth, but she continued to work, the suction of her mouth only growing more and more intense. She wanted more, but there wasn’t a drop more for me to give.
I started to feel bad as she continued trying to draw out whatever she could, the hopeful look in her eyes that I might give her just that little bit more. When she finally released me, I was about to apologize that I hadn’t done exactly that, but I watched her smile as she swallowed what she had, greedily.
“Mmm, that was exactly what I needed,” Beck purred. “For now, at least.” She giggled, jumping up onto her feet and wrapping me up in her arms. When she released me, she had a satisfied grin on her face. “Thank you, Daddy!”
With that, she headed back to the living room, leaving me standing there with my pants still around my ankles, wondering what the hell just happened.
“So, where were we?” Beck asked, flopping back down on the couch as I walked into the room.
“Apparently, you were off doing something naughty with my brother,” Stephanie joked, grinning.
I blushed furiously as I retook my seat, looking everywhere but in the direction of my sister. My eyes found Jeremy’s, who was taking a sip of his drink. Our eyes met, and he subtly raised his glass in salute.
“Maaaaybe,” Beck replied, playing innocent before she started laughing, giving away the game she was playing before it ever really started.
“For God’s sake, you’re shameless!” Stephanie laughed.
“You’re one to talk,” Beck fired back. “Weren’t you the one asking for help so that you could have your way with Joe?”
“And what does it say about you that you wanted to help?” Stephanie fired right back, smirking.
“That I’m a very naughty, naughty girl, and need my daddy to punish me,” Beck said as if it were the most natural thing in the world, leaning against me, grabbing my arm, and draping it over her shoulders.
That made everyone in the room laugh.
They’d been hashing out this grand scheme for nearly an hour at this point. I’d wager architects didn’t put this much time into planning how to erect a building as they had been figuring out how to seduce Joe.
“So, what do you two think of that plan?” Mandy asked, looking from Jeremy, who was now sitting forward in the recliner, sipping on his third glass of Macallan, before shifting her attention to me. I thought about it for a moment, taking my own, much smaller sip than Jeremy, selfishly not wanting to drink it so quickly that I couldn’t keep the bottle in my collection.
Honestly, the plan would probably work. It was pretty convoluted in some ways, but overall, I didn’t see how it could go wrong outside of Joe not showing up. Every possible outcome seemed to have been covered, and all three women had specific roles to play in each of those possibilities.
“I don’t see why it wouldn’t work,” I answered. “It’s way better than the ‘rapey’ one you three came up with earlier.” That got a mixed reaction from the group. Mandy snickered behind her hands, Jeremy boomed out a laugh, but his wife scowled angrily at him for it. Stephanie blushed furiously, as she should have, considering it was her idea.
“See, there you go,” Mandy said, after she composed herself. “Even the guys agree with us now.”
“Woah-ho there,” Jeremy said, waving off that statement. “I still don’t think any of this is a good idea.” All three women’s eyes locked onto his; all three looked like they were ready to argue. “But...” He said, just holding his hand up now, palm out in an attempt to hold off any comments. “As I was going to say, but ... Tom is right. This is the best option you’ve come up with so far and the least likely to cause a scene. That...” Jeremy lowered his hand, eyeing each of the women in turn, seriously, but his eyes lingered on Stephanie’s. “As you already know, it would be the worst possible scenario.”
Stephanie sighed audibly, and Beck nodded. Mandy looked confused.
“What do you mean?” she asked, curious.
“He means causing a scene is usually not good,” Beck answered, twisting her body slightly to face Mandy but still making sure she held my arm around her. “Sure, sometimes it’s a lot of fun, because you get a lot of attention, if that’s what you were going for. So, there is nothing wrong with a little scheming, from time to time. Kind of like we’re doing...” Beck looked at her husband, who was watching her with a calm but measured look on his face. It was obvious by the way he was watching, this was a direly serious topic, enough that I felt a lump in my throat forming that I struggled to swallow away. “When it’s putting together a surprise of a willing participant, that is almost universally accepted, and often enough, even encouraged.”
“But ... consent is a big deal in groups like ours. If you abuse that, all hell will break loose and there will be no mercy,” Beck’s words were sharp and final. She didn’t leave any doubt in her meaning or room for interpretation. “That doesn’t mean we can’t have some fun, though. Just because you’re surprising someone, that doesn’t mean you’re taking advantage of them or doing something to them they don’t want or agree with.”
“So ... we aren’t doing something wrong then?” Mandy asked. “I don’t want to get her in trouble, or us. Tom and I just joined the group, and we’d hate to get kicked out already.”
“Nope!” Beck grinned. “Joe would have to be dead to not want to fuck Stephanie’s brains out if offered.” That got some snickers, which I wasn’t immune to. Like I said, I wasn’t blind or naïve enough to see how good my sister looked. Besides, I didn’t have to watch it, and whoever this Joe guy was, I just hoped all this planning was worth it.
“So, what’s the plan for the rest of the evening?” Stephanie asked, shifting in the little space that was hers between Beck and Mandy on the couch. There was a telling grin on her face. She knew why Beck and Jeremy were here, and she wanted in.
I was suddenly worried. When we set this whole thing up, I thought it was going to be like it was at Bruce’s, the four of us together. Stephanie showing up threw a massive monkey wrench into my plans. I was tempted to tell Stephanie she needed to leave, which would solve any potential problems easily. I was already well outside of my comfort zone helping her plan her sexual escapades. Even a couple weeks ago, that would have been an absurd thought, but things had changed, but not that much.
“Well, we were going to...” Mandy trailed off, seeming uncertain now on what to do with Stephanie here. She had the same thoughts as I was, it seemed.
“I know what I’m doing,” Beck replied, without a hint of hesitation. She twisted and looked up and me, planting a kiss on my cheek. “He’s going to take me up to his room and I’m going to do whatever this guy wants!”
“That sounds interesting,” Stephanie grinned, her eyes waggling suggestively. “Well, Mandy, how about we show the old man over there...” Stephanie threw a thumb over her shoulder in Jeremy’s direction. “ ... the time of his life?”
I was almost a little jealous of Jeremy in that moment. I mean, what guy doesn’t want to be shown the time of his life by two young college girls? I sure as shit did, it’s just a damn shame one of them was my sister!
“Umm, maybe later?” Mandy replied. “I was kind of hoping...”
“Mmm,” Beck purred, seeing the look and question in Mandy’s eyes. “I’m game!”
Beck moved, getting up off the couch and offering her hand to me. “What do you say, Daddy?” Beck asked, her eyes low, trying to look meek. “Are you up for it?”
The memory of Beck and Mandy working in tandem, sucking my cock flashed through my mind, and I grinned. “Abso-fucking-lutely!”
I grabbed Beck’s hand, using her to hoist myself up off the couch in one smooth motion. I’d pulled hard enough that I nearly yanked Beck clean off her feet. There was a startled look on her face when she felt my pull, the weight of it. She stumbled forward, and I wrapped my arms around her, holding her up and keeping her on her feet.
Beck looked up at me, a small grin on her face as her surprise receded. I bent my head down and kissed her, the two of us melding together instantly. It only lasted a moment or two, but the way her chest was heaving and her face flushed, she loved it.
“Ready?” I asked.
“Mhmm,” She giggled, nodding.
I held out an arm for Mandy, elbow crooked for her to slip into.
“Ohmigod, that was hot!” Mandy said, sliding in, taking my offered arm in both of hers.
I looked over my shoulder as I ushered the two women to my bedroom to see Stephanie’s shocked expression, jaw hanging open.
I ushered the girls into the bedroom, making sure I shut the door, and only when I heard the telltale click of the latch falling into place did I turn back to look at the two of them, now just standing there in the middle of the room, waiting.
Both girls were grinning excitedly, which only grew wider as I grinned as I moved towards them. Beck opened her arms, expecting me to walk right into them, but instead, I walked right up to Mandy, never once looking in Beck’s direction. The smile on Beck’s face faltered as her hands fell, watching the two of us.
“So, Babe, what she we do with this little vixen?” I asked Mandy, whose eyes went wide at first but settled into a smoldering glow as realization hit. “We have her all to ourselves, and you heard her earlier, she’ll let us do whatever...” Beck whimpered. “ ... we want.”
“Oh, I might have some ideas for our little girl,” Mandy replied, her voice low and dangerous. Beck’s eyes flicked between both of us over and over, biting her lower lip as if she really were nervous at what might happen. I, heck, we both knew better. This was an act, a kink Beck loved, so why not go all in? What happens behind closed doors is no one’s business but our own. God, this was going to be so fucking hot!
“First,” Mandy suggested.” I think she should get on her knees and help us get more ... shall we say, comfortable.”
“I like how you think!” I looked at Beck, leveling my best authoritative glare and pointing at the ground. When she didn’t immediately drop to her knees, I asked, “Did you hear your Mommy?” At that, Beck looked at Mandy, not sure how she was supposed to react to that. I wasn’t sure if she would, to be honest, but again, in for a penny... “Get on your knees, now, before I bend you over my knee.”
To both of our obvious surprise, Beck grinned and did exactly that.
“Holy shit!” Mandy gasped when Beck’s hands reached out for her first, tugging at her clothes.
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