Pushing Boundaries
Copyright© 2026 by Fanlon
Chapter 9
Fiction Sex Story: Chapter 9 - Spending Christmas with the kids meant dealing with his difficult ex. Earlier limits remained in place...but those old-fashioned rules wouldn't stop Amber from celebrating the holidays the way she wanted. Sometimes, you just have to push the boundaries to get what you really wanted, right?
Caution: This Fiction Sex Story contains strong sexual content, including Ma/Fa mt/ft Ma/ft mt/Fa Mult Incest Mother Son Father Daughter Swinging Nudism
Amber and I teamed up and worked like a well-oiled machine as the two of us tackled cleaning the kitchen. I’d made a pretty good mess in the final preparations and, thank God, I’d made sure Joe and I’d cleaned up earlier, or else we would have had a literal mountain of dishes to get done.
Amber, the smart girl that she is, quickly offered to handle the leftovers and started putting all of them in containers, leaving all the dishes for me to scrub in the sink. It took me a while to get the pots and pans I used cleaned. Sure, I could have used the dishwasher, but I never thought that was a good idea, and they never got as clean as with good old-fashioned elbow grease, as my mom used to say when I was a kid.
Watching Amber try to handle the prime rib was hilarious. She wanted to put it into one of those gallon-sized freezer Ziplock bags and was trying exactly that, but she just couldn’t manage to keep the opening wide enough to slip the roast into while handling the hefty chunk of meat at the same time. She had juices running all over the place, and it’s a damned good thing she wasn’t wearing clothes because they would have been woefully, undoubtably stained and, more likely, ruined.
As it was, her arms and chest were glistening. I hated to say it, but it was quite the mouth-watering vision. I didn’t think she even realized what was happening because she didn’t move to clean herself off at all as she switched to the potatoes once she had the roast in the fridge.
“That’s quite the seasoning choice,” I teased, looking directly at the little rivers of liquid running down her arms and chest.
Amber twisted to look at me and gave me a befuddled look, “Huh?”
“You’ve somehow managed to get the prime rib’s juices all over you.”
“Oh!” Amber looked down at her arms and chest, and the realization of what I’d said finally set in. She grinned brightly before saying, “Whoops!” and the color in her cheeks rose dramatically. “I’m like a yummy French dip!”
“Oh, jeez,” I palmed my face, laughing as I shook my head. “That’s terrible.”
“You love French dips, though.” Her smile never faltered.
“That I do,” I smirked, eyeing her chest again in a very different light, and my mouth started to water at the thought. “Why don’t you go get cleaned up while I finish getting everything put away and wrapped up?”
“Okay,” Amber replied, still smiling like a loon, before she turned and skipped off down the hallway.
I was drying my hands, the kitchen cleaned, when Amber came bouncing back in with a big, mischievous smirk on her face.
“What’s going on with you?” I asked, accusation heavy in my words.
“Nothing,” she blushed, her lie by omission evident on her beautiful face.
“Amber...” I draped the hand towel over the edge of the sink and crossed my arms in front of my chest, waiting for her response.
She grinned at me, and then her eyes flicked in the direction of the family room. When I didn’t move to go see what she was alluding to, she flicked her eyes again, this time far more dramatically. I stayed rooted in place, and she just let out an exaggerated sigh, and rolled her eyes.
“Use your words,” I said.
“Just go see for yourself,” Amber replied, her eyes pleading for me to play along as she bit her lower lip nervously.
“Okay, fine,” I grumbled. “What’s so special that you couldn’t tell— oh!”
There in the living room, I saw a sight I wasn’t expecting to see at all. Mandy was sitting on the couch, looking as though she couldn’t have been in a better position in the whole world. That’s because Joe, our son, was on his knees between her thighs, his face buried deeply between them.
“Right,” Amber said, sliding up next to me, peering around the edge of the kitchen wall so that she could see her older brother and mom. “Pretty hot, isn’t it?”
I just stood there, watching what was happening. Not because I thought it was hot, but because it was well and truly out of the norm for Joe. The thing was, Joe was never all that interested in oral sex, at least not giving it. He loved blowjobs as much as any guy, if not more so, in fact. The only girl he had ever been interested in going down on was his little sister, but that was only at first. Once he’d done it a dozen or so times, it was no longer interesting for him.
Though, now that he is obviously doing it again, maybe his thoughts on the matter had changed.
“You don’t think seeing Joe licking Mommy’s pussy is hot, Daddy?” Amber asked, keeping her question low and not drawing Mandy and Joe’s attention to us.
“Of course it is,” I looked down, seeing the top of her head poking out below my arm as she used me as a shield. “I’m just shocked he’s doing it, that’s all.”
“Why?” Amber asked, honestly. “He’s pretty good at it.”
“He had a good teacher.”
“He doesn’t do it as often as I wish he did, but he does it most of the time I ask him to.”
“That’s good,” I nodded. “As long as neither of you is taking advantage of each other, that’s great.”
“Mmm, baby,” Mandy moaned as she arched her back, her full chest jutting forward as her hands ran through her son’s hair. Her murmurs of pleasure were now loud enough for the two of us to hear her clearly in the kitchen.
“Ooh, she’s going to come.” Amber was obviously very into what was happening and getting awfully excited about it. “Wouldn’t it be fun if we joined them?”
I chuckled at her suggestion, and she smiled at me. “I don’t think we should interrupt them this time,” I said, and Amber’s face fell slightly. “Maybe next time, kiddo.”
“But you won’t be here next time!”
“You don’t know that for sure,” I replied, turning slightly and wrapping one arm around Amber and pulling her close to me. “We have no idea what tomorrow will bring.”
“Or later tonight, right?”
“Or even later tonight, exactly.” I nodded my agreement, and her smile returned in full force.
From what I was watching, I had to give the boy credit. He was obviously good at what he was doing. I knew Amber had hounded her brother for him to go down on her every chance she could get after she’d experienced that for the first time. Mandy and I joked about it so many times on the phone while I was traveling, it seemed like that was the only thing we talked about. Those were fun conversations and always brought a smile to my face when I heard about the kids’ antics.
Amber, at that time, was like a lost puppy and constantly attached to Joe’s hip. It was cute, but I could also imagine how annoying it had to have been to have someone at your heels every waking moment. Luckily, for both of them, they were still young, and the newness made it fun and exciting. What Joe was doing now wasn’t new. Not even remotely. Any doubt about that was quickly erased by his mother’s writhing body and cries as Joe brought her closer and closer to her climax.
I half-expected Amber to head into the family room on her own anyway, but she stayed by my side. When I’d had enough watching, I slipped back into the kitchen and grabbed a beer from the fridge, cracked it open, and then leaned against the counter as I enjoyed the refreshing beverage.
Amber took up a position across from me. Her head angled slightly towards the action in the other room, but her eyes remained on me.
“Mmm, Joe, that’s it, baby, right there,” Mandy moaned. From the tone of her voice, she was really enjoying herself. If I had to guess, she was holding back, drawing out the pleasure our son was giving her, maximizing the euphoria that had to be building within her.
Amber’s face flushed as she listened to her mom’s cries. Her nipples were hard, but that wasn’t new. They seemed to be perpetually hard, so it was tough to say if that was from listening to her brother and mom or if she was just in her natural state. The color in her cheeks, though, that was telling.
I took a longer draw from my beer, keeping my eyes on Amber as I did. It was killing her not to be watching, and I knew it. When she started shifting her weight from foot to foot, her legs moving and rubbing against each other subtly, that only further solidified my assumption. She was getting worked up, and it wouldn’t be long before she either dove in herself or she rushed to join in on the couch.
The fact that I was standing there was keeping her in place. If I hadn’t said anything about not interrupting them, she would have been on the couch by now. How involved she would have been with Joe and Mandy was tough to say, but there would definitely be some level of participation.
It only took another minute before her left hand started exploring her chest. She was dragging her fingertips back and forth along the upper swells of her breasts. Her other hand was lower, running down her side and further down over her thigh.
Yep, she was seconds away from the hand on her thigh slipping between those incredible, toned legs and finding a new home on her perfectly smooth slit, which was already darkening with her arousal.
The look in her eyes was changing the longer this played out. Mandy’s words kept coming, each one motivating not only Joe to continue what he was doing, but also pushing Amber further over the edge to where she would have to make herself come. It was fun to watch and extremely erotic. I could feel my own heart rate increasing, and my cock started to grow in reaction.
“Oh, Joe!” Mandy cried out louder this time. “You’re so good at licking my pussy.”
That was it. Amber’s hand snapped between her legs, her fingers going straight for her channel, sliding between its wet folds before she started working her fingers in rapid side-to-side motions right on top of her clit. Her jaw dropped as her eyes threatened to roll back into her head.
I took another pull of my beer, this one longer yet, as I chugged, swallowing mouthful after mouthful until the bottle was empty. I set it down on the counter. My cock was now fully hard as I watched my daughter finger herself right across the kitchen from me while my ex-wife and son were lost in their own little world in the other room.
Amber’s face was starting to contort with every movement of her hands. Her hand between her legs was a blur. She’d spread her legs slightly to give herself better access. Her other hand was mauling her breast, pulling and pinching her nipple between her thumb and forefinger.
The hand on her clit dove down again, driving her finger into her channel as deeply as she could reach. Her knees wobbled unsteadily as she did it, her head falling backwards, exposing her youthful neck to me as her flushed chest heaved. She sucked in lungfuls of air as she pleasured herself.
I got caught up in the moment and didn’t even realize I was stroking myself until I felt my hand turn slick as my precome leaked out, coating my shaft in my own lubricant. My eyes were locked on Amber as my ears picked up every sound coming from the living room. My fingers glided smoothly up and down my cock, and I let out a moan of my own.
Amber’s head came back down, her eyes wild as she looked at me with an intensity that would almost be scary if I didn’t already know what it meant. Her nostrils were flaring as she breathed. Her eyes met mine, and I held them for a moment. Then she looked down and saw my hand working my shaft, my hardness poking out through my fist. The hardness in her eyes redoubled at the sight. She took in a very large breath, her back arching as he adjusted how fast her fingers were moving in her pussy to match the speed of my strokes.
I knew what she was thinking, what she was imagining.
“Mmmngh!” Amber’s eyes snapped shut as her whole body trembled as, what I assumed, was her first orgasm, washed through her.
I closed my own eyes for a moment, letting my head fall back as I let my weight settle against the counter.
“Yes, right there,” Mandy commanded. “Just like that, I’m going to come, baby. Don’t stop!”
I could see in my mind Joe’s head buried between Mandy’s thighs. His tongue probing and licking across her shaved pussy. His face would be coated in her juices by now, she had a reputation for getting extremely wet. She loved it when I went down on her. When I was done, she would always pull me to her, kissing me deeply, licking her juices from my face as if it were the best-tasting treat in the world.
Fuck!”
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