A Different Kind of Party
Copyright© 2025 by Fanlon
Chapter 3
Erotica Sex Story: Chapter 3 - 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
“Let’s go back in,” Mandy suggested. “I’m sure your sister is wondering what’s taking us so long.”
“I highly doubt she’s thinking about us right now,” I chuckled.
“If you say so,” She gave me a little smirk that made the hair on the back of my neck stand on end. “Besides, Bruce is probably waiting to introduce us to some people and show us around the house.”
We went inside and found my sister straddling Bruce as they made out like a pair of teenagers at a high school house party in the kitchen.
“Told ya,” I grinned, looking at Mandy, and was surprised to find she was scowling in my sister’s direction. “What’s that look for?”
She must have thought I wasn’t going to see the look on her face because it quickly morphed into a smile the moment she heard me ask about the face she was making.
“What look?” Mandy gave me her innocent ‘I wasn’t doing anything’ look. Before I could call her on it, she powered forward as if nothing had happened, and I hadn’t just caught her mean-mugging Steph. “Come on, looks like those two are busy, and that gives us a chance to go explore on our own.”
We headed down the hallway toward what I assumed were the bedrooms. We’d already seen the two couples in the living room, and we both decided a repeat visit wasn’t needed. The door to the first room opened just as Mandy reached for the doorknob.
“Holy shit!” A girl with long blonde hair screeched and jumped backward away from the door. Her hands had been behind her neck, fiddling with a tie or button on her dress. In her haste to get away, she let go, her hands flung out to her sides, and as a result, the top of her dress fell, exposing a wonderfully full pair of tanned breasts.
They were about the same size as Mandy’s, perky, but not so much so that you questioned if they were real. Her nipples were a few shades darker than her skin. She looked like she was maybe late twenties or early thirties if I had to guess.
“Oh God, I’m so sorry!” Mandy gasped, her hands going up to cover her face nervously. “We were just, umm...” She looked suddenly lost and not sure what to say.
“First time?” The guy with the blonde said when he appeared in the doorway. He was a couple of inches taller than me and wore a white dress shirt that was only partially buttoned. He had dark brown medium-length hair and an easy smile and was grinning at Mandy’s obvious discomfort.
“We must be wearing a sign of some kind...” I joked lamely and got a glare from Mandy for it.
“Don’t worry about it,” The guy chuckled at my joke. “This is my wife Becky,” The guy threw his arm around her shoulders and pulled her to stand by his side in the doorway. “She likes to be called Beck, though, and I’m Jeremy.”
Jeremy reached out his hand, and I shook it without hesitation.
“Nice to meet you both,” I grinned as Mandy waved tentatively at Beck, who was still trying to get her dress refastened. “This is my girlfriend Mandy, and I’m Tom.”
“Well, we were going to go get something to drink; do you two want to join us?” Jeremy asked, and I looked at Mandy and saw her nodding with an extremely happy look on her face. It was obvious she was interested in these two, or maybe just Jeremy. That was fine with me. Beck was sexy, and I was really curious to see what the rest of her looked like under that dress. If her bottom half looked anywhere near as good as the top half, I was in for a treat.
“Sure, why not?” I stepped back, giving the two of them room to slip out of the room and into the hallway with us. I had just gotten drinks with Sam and Bruce, but I was up for another. I was more interested in talking to these two.
I expected to see my sister and Bruce still going at it in the kitchen, but shockingly, the kitchen was empty. I wasn’t the only one surprised by that because Mandy’s head was turning this way and that as she tried to find her friend. Frankly, I was perfectly fine not seeing my sister ‘getting it on’ with anyone, let alone a guy that was twice her age. There were certain things I just didn’t need to see.
“Guess they went somewhere more private,” I whispered in my girlfriend’s ear. Mandy had a look on her face that I couldn’t quite read. It was a mixture of concern, curiosity, and excitement. “I’m sure Steph’s just fine.”
“Oh, I know she is,” Mandy blushed. “We just had a plan, and she just promised not to ditch us when we got here.”
“And you believed her?” Mandy gasped and smacked my shoulder. “What?” I gave her a ‘what did I do’ look. “You know how she is.”
“I know, but this time it was supposed to be different.”
“So, what’s this about a plan? You never told me anything about that.”
“Nothing...” I glared at her. “If it goes how it’s supposed to, you’ll love it.”
I grinned like a spaz, using my natural defense of acting like a loon to hide my nervousness. I grabbed Mandy’s hand and started to make like I was going to drag her through the house looking for Steph.
“Let’s go find her; she couldn’t have gone far!”
“Thomas!” Mandy giggled, yanking on my arm to keep me right there in the kitchen.
“You two seem really comfortable,” Beck announced as she sat down at the large, glass-top kitchen table.
“We got some good advice earlier,” Mandy responded, smiling at me.
I led her over to the opposite side of the table from where Beck sat down.
“Oh, who’d you talk to?”
“Jenny,”
“Ah, that makes sense.” Beck nodded. “She’s the best. I’m sad she and Sam are leaving.”
“What do you two want to drink?” Jeremy called out, looking over at us as he walked up to the fridge.
“I’m okay,” Mandy replied.
“Me too. I’m good,” I agreed.
“You sure, there’s plenty” I nodded to him for both of us, and Jeremy turned to his wife. “Beck?”
“Any more of those Coronas in there?” Jeremy’s wife replied.
Jeremy stepped away from the fridge with two Coronas in hand and a big smile on his face. He moved to stand next to Beck, handing her one of the cold bottles of beer and then taking a seat next to her at the table.
“So, what do you two do for fun?”
The four of us talked for almost an hour about normal life topics. What we did for fun. How long we’d been dating. The usual things two couples would discuss as they get to know each other. Then it shifted to what we did for work, or in Mandy’s case, what she studied when they learned she was still in college. When Jeremy and Beck learned that Mandy was studying Psychology, they both got really interested in what she thought about certain ‘hot button’ topics that revolved around the world and how things have changed in society over the last ten years.
Shockingly, those questions didn’t immediately involve sex. Something Mandy was studying and its effects on relationships. Most of the conversation was eye-opening. Not in a sense that I wasn’t aware of Mandy’s ideas and what she thought about certain things. I had many debates with her since we started dating about most of the same things Jeremy and Beck were curious about.
I loved watching her when she discussed or debated the things she was passionate about. It gave me an overwhelming sense of pride in her. Mandy was always excited to talk about her future career, and if I let her keep going, she’d never stop. The way the four of us were talking, it was more like we were at a traditional backyard barbecue, not a party designed to bring couples together for sex.
As cool as it was that Jeremy, Beck, Mandy, and I were hitting it off, I was more curious about these parties. After talking to Bruce and Sam earlier, I had some questions and wanted to steer the topic in that direction.
When there was a lull in the debate, I took that opportunity to shift the topic back to the reason we were here in the first place. “So, what are these parties usually like when people first show up?”
That got Beck’s attention, and she looked at me curiously. “What do you mean?”
“Well, when Mandy and I first got here, there were two couples on the couch getting after it like it was no big deal.”
“Ohh,” Back grinned. “Yeah, usually that’s not the first thing you see when you show up.”
“That’s what Sam and Bruce told me,” I replied, nodding. “That’s what I was wondering. How do these things usually go?”
“There’s no set plan or schedule or anything like that,” Jeremy started explaining. “When we have one of our larger gatherings, there are usually a lot of drinks and games. You know, things that keep people talking in groups and getting people comfortable. In smaller get-togethers like this, it’s a lot more laid-back. Couples find each other and talk, like we are now, and if they click, sometimes they’ll go find somewhere more secluded, if you know what I mean.” I nodded, knowing exactly what she meant. “Then there’re other times where they don’t hit it off, and that’s okay too.”
“That makes total sense,” Mandy replied. She was all smiles and genuinely happy to be exactly where she was.
“Just to be clear,” Back said, looking from Mandy to me. “Jeremy and I like you two a lot.” Jeremy was smirking, nodding his agreement. “You’re both hot, and we would love to get to know you both a lot more.”
“That sounds amazing!” Mandy’s eyes were wild, and her hand found mine under the table, squeezing it in a death grip. “What do you think, babe?”
“I’m game if you all are,” I answered, giving her hand a reassuring squeeze back.
“Yay!” Mandy cheered, and everyone around the table started laughing.
Mandy blushed shyly, but there was no hiding her exuberance and excitement. I was just as anxious, but I was able to keep those emotions in check, unlike my girlfriend.
“Why don’t we go find a nice, quiet room and see what happens?” Jeremy announced, getting up from his chair, and the three of us quickly followed.
We ended up in a spacious bedroom with a king-sized bed and a massive window looking out over the backyard. There were two high-backed upholstered chairs on the opposite end of the room from the bed and a small table placed between them.
“I need to freshen up before we get started,” Beck said, once we’d shut and locked the door. “Mandy, do you want to join me?”
“Sure,” she agreed, and the two girls slipped off into what I assumed was a bathroom together.
My assumption was quickly proven right when I heard the unmistakable sound of the water in the shower being turned on and the sound of two women giggling. I looked over at Jeremy, who was lounging, sipping his beer, and smirking up at me.
When he saw me give him a questioning look, he said, “We’d just finished up our own little private party when we ran into you two earlier. So, she’s cleaning up a bit for you.” That made total sense, and I hadn’t even stopped to think about that in our haste to get the real party started. “Some guys are into that kind of thing; I’m not one of them.”
“Me either,” I agreed.
“You might as well sit down,” he indicated the other chair that was sitting unoccupied. “Knowing my wife, she’s going to make sure she’s at her best, and likewise, she’ll do the same for Mandy. I don’t think they’ll be too long, but you never know.”
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