Ethan's Nieces
Copyright© 2025 by sublock
Chapter 16: Casual And Not-So-Casual Friday
Incest Sex Story: Chapter 16: Casual And Not-So-Casual Friday - A young man comes home from his first year of college to find that his family's changed... a lot. As the summer progresses, he gets a strange summer job and faces some big fears with the support of his parents and siblings. Note: has quite a lot of partner-sharing (swinging). Not an exclusive harem story.
Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa mt/ft Ma/ft mt/Fa Fa/Fa ft/ft Fa/ft Mult Teenagers Consensual BiSexual Heterosexual Fiction Workplace Sharing Wife Watching Incest Mother Son Brother Sister Father Daughter Cousins Uncle Niece Aunt Nephew Grand Parent InLaws Rough Gang Bang Group Sex Orgy Polygamy/Polyamory Swinging Anal Sex Cream Pie Double Penetration Exhibitionism Facial Oral Sex Voyeurism Public Sex Small Breasts Nudism AI Generated
After snuggling for a while, we finally got hungry enough to get up and head downstairs and dig up some dinner — Mom just heated up some leftovers — and after helping cleanup, I gave everyone a round of goodnight kisses and headed to my room, knowing that I had a full day of work tomorrow.
Hand on my chest, even though I was all by myself in my bed, I felt wrapped in the lingering warmth of what had happened — Mom’s body beneath mine, Dad and Emma surrounding us, the four of us tangled together in perfect family intimacy. And I drifted off. My dreams were peaceful, satisfied, the kind of deep sleep that comes from fulfilling your fantasies while also getting a lot of exercise.
And the next morning, I woke to sunlight streaming through my window and the smell of coffee drifting upstairs. More thoroughly refreshed than I had since before the Beach Weekend. I stretched, feeling pleasantly sore in all the right places, and headed down in just my boxers.
Mom stood at the stove making eggs, wearing one of Dad’s old button-down shirts and nothing else. Her legs were bare, the shirt hitting mid-thigh, and I could see the curve of her ass when she reached for the salt. Dad sat at the kitchen table reading the news on his tablet, dressed like he was heading out to the gym soon, coffee steaming beside him.
“Morning, sleepyhead,” Mom said, turning to smile at me. “Want breakfast?”
“Please.”
I sat beside Dad, and he passed me the sports section of the paper without looking up. Normal morning routine, except for the electricity still humming between us from yesterday.
Mom brought over plates — scrambled eggs, toast, some fried ham — and kissed the top of my head before sitting. We ate in comfortable silence for a few minutes, the kind of easy domesticity that felt even more precious now.
When Dad stood to refill his coffee, Mom’s hand landed on my thigh under the table. She squeezed gently, her fingers sliding higher, and I nearly choked on my eggs.
“You okay?” Dad asked, returning to the table.
“Fine,” I managed. “Theshe eggsh are just delishush.”
Mom’s hand continued its exploration, reaching the bulge in my boxers, stroking me through the fabric. I was hard within seconds, trying desperately to keep my face neutral while Dad sat three feet away, oblivious.
Or not oblivious — he glanced over the tablet at Mom with a knowing smile. “Dolores, let the boy eat his breakfast.”
“I’m just being affectionate,” Mom said innocently, “And he doesn’t mind, does he?”
Dad looked at me, and I shrugged, waving a piece of half-eaten toast in admittance, and he just smirked, sort of a chuff as he shook his head.
After Dad finished eating and started collecting dishes, Mom stood and beckoned me over. I followed her to the counter, and she turned to face me, hopping up to sit on the edge.
“Come here,” she whispered.
I stepped between her legs and kissed her deeply, my hands sliding under the shirt to find her bare breasts. She moaned into my mouth, her legs wrapping around my waist, pulling me closer so my erection pressed against her pussy through my boxers.
“I can’t stop thinking about yesterday,” she breathed against my lips. “About you inside me.”
“Me neither.”
“Tonight,” she promised. “We’ll have more time tonight.”
We kissed again, deeper, my hands roaming, her grinding against me. I was seconds from pulling my cock out and taking her right there on the counter when the doorbell rang.
We sprang apart, both of us flushed and breathing hard. Mom quickly buttoned her shirt while I adjusted my obvious erection. Dad laughed at us as he went to answer the door, waving us back.
The door opened and Jessica’s voice carried from the entryway: “Morning! Work gave me the day off, so I promised Emma a sister day!”
Mom huffed in relief and draped her arms back around my neck before calling up the stairs: “Emma, Jessica’s here!”
Dad and Jessica entered the kitchen, saw Mom hanging off of me and rolled his eyes. “Jesus Dolores, we’re never going to get to the gym at this rate.”
Mom gave me another kiss while starting to laugh and pulled off of me. She went to the stairs and grabbed her gym bag. She kissed Jessica, then me one last time — lingering just a second too long and following up with a “Good luck at work today, sweetie!” — yelled a goodbye up the stairs at Emma, and headed out with Dad.
Jessica watched them go, then turned to me with a knowing grin. “Did I interrupt something?”
“Maybe.”
“Good. You two deserve all the time you can get.” She headed toward the stairs. “I’m going to wake Emma. We’re thinking shopping, lunch, maybe a movie. Sister bonding time.”
I returned to my breakfast, now a little colder than I would have liked, and was washing dishes when Emma finally appeared, still sleepy, wearing one of my t-shirts that hung to her thighs. Jessica followed, bright-eyed and energetic in jeans and a cute top.
“Morning,” Emma yawned, making a beeline for the coffee.
“Ethan and Mommy were being all smoochy in here,” Jessica was dishing.
Emma stopped with a cup of coffee at her lips, and her eyes widened, all sleepiness vanishing. “Jessica! Oh my God!” She giggled cutely and put the coffee cup down a little harder than she meant to, and grabbed Jess by the shoulder.
“Guess what! Ethan fucked Mom yesterday!”
Jessica’s face lit up immediately. She couldn’t have been more delighted. “Tell me everything.”
I continued washing dishes, feeling a little bit like a piece of meat, but it was nice to hear them chatty and happy.
“Ethan and Mom. Finally. Like, really together.” Emma’s excitement was palpable. “It’s been a week of horny vibes here at the Walker house, and yesterday after the rainstorm we all got all wet and they finally ... just ... it was really sweet.”
“And?” Jessica prompted.
“It was up on Mom and Dad’s bed. Tender and passionate and just ... right. Dad watched, and I helped, and we were all together as a family.”
Jessica glanced at me, her expression heating. “That’s incredible, Em. How was he?”
“He came all over us. And Daddy too.” Emma giggled. “It was hot as fuck. And Mom has just been glowing ever since.”
“God, I wish I’d been there,” Jessica said, her voice dropping lower. “I love watching Ethan fuck. He’s so good at it.”
I felt my face heating, my cock stirring again despite all the disappointment of not having gone further with Mom. These bitches knew exactly what they were doing. My slutty sisters, teasing me like sisters do. Emma noticed and grinned wickedly.
“He’s getting turned on,” Emma announced.
“Is he?” Jessica’s smile was predatory and she pointed her finger. “C’mon little bro, bring that hard cock over here.”
I dried my hands and turned around, leaning against the counter, trying to look casual despite a big ol’ boner that I was not above showing off to them. “Yeah?”
Jessica crooked her finger. “Closer.”
I approached the table, and Emma stood, moving beside Jessica. Both my sisters looked up at me with matching expressions of mischief and desire.
“Emma was just telling me about yesterday,” Jessica said, knowing full well that I had heard it all. Her hand landed on my thigh, sliding upward. “About how hard your cock was when you fucked Mom.”
“Hard like this?” Emma’s hand joined Jessica’s, both of them tracing the bulge in my boxers.
“Yeah, sure, You little minxes —” I started.
“Shh.” Jessica pulled my boxers down, freeing my cock, which was fully hard now. “I like it better when little brothers are seen — sorry, felt — and not heard. Especially big-cocked little brothers like you.”
Emma wrapped her hand around my shaft, stroking slowly. “How long you gonna torture him, Jess? I think he deserves a reward for making Mom so happy.”
Jessica leaned in and licked the head of my cock, her tongue circling the sensitive tip. “Mm, he tastes good.”
They took turns sucking me, passing my cock back and forth between them like a treat, their mouths and hands working in perfect coordination. I groaned, my head falling back, my hands gripping the edge of the table for support.
“We should give him a proper thank you,” Emma said, pulling off my cock with a wet pop.
“Kitchen counter?” Jessica suggested.
“Perfect.”
Emma hopped up onto the counter — the same counter where I’d fucked Aunt Linda and Mia against over a week ago, and where I’d just made out with Mom this morning, I realized with a jolt. Kitchen is a good spot for fucking - kind of an easier place to clean when you get it messy.
Emma spread her legs, pulling my t-shirt up to reveal she wasn’t wearing anything underneath. Her pussy was already glistening, ready, and she beckoned me forward.
“Fuck me right here,” she said. I checked the time. I had to be out the door in fifteen minutes. Or maybe I could just be late for work today.
Jessica stripped off her jeans and panties, her own shirt coming off to reveal she’d gone braless. My older sister was stunning — fuller curves than Emma, breasts that bounced perfectly as she moved, confident sexuality radiating from her.
I positioned myself between Emma’s legs and pushed inside her slowly. She was tight and hot and perfect, and we both moaned as I filled her completely.
“That’s it,” Jessica encouraged, positioning herself beside Emma on the counter. “Fuck our baby sister good.”
I started moving, fucking Emma with steady strokes while Jessica played with Emma’s breasts, pinching her nipples, making Emma gasp and arch. The visual was overwhelming — both my sisters naked on the kitchen counter, one taking my cock while the other touched her and played with her.
“Harder,” Emma demanded. “Make it a quickie.”
I increased my pace, gripping Emma’s hips, pulling her onto my cock with each thrust. The counter was a surprisingly perfect height, giving me leverage, and Emma’s moans filled the kitchen.
“Switch,” Jessica said after a few minutes. “My turn.”
I pulled out of Emma and immediately pushed into Jessica, who’d positioned herself beside us. Jessica’s pussy was different — firmer, wetter, but still incredible. She wrapped her legs around my waist and pulled me deeper, pressing her mouth against mine, and then holding our foreheads together as we both looked down at me slapping into her, those luscious wet lips being pulled with every retraction.
“Fuck yes,” Jessica grunted. “I’ve missed this cock.”
Emma moved behind Jessica, reaching around to play with Jessica’s breasts while I fucked her. The three of us moved together, a tangle of limbs and pleasure, the kitchen filled with moans and gasps and the wet sounds of sex.
I alternated between them—fucking Emma until she was close, then switching to Jessica, then back to Emma. Both of them were vocal, encouraging, their hands all over me and each other.
“I’m close,” Emma warned.
“Me too,” Jessica gasped.
“Together,” I said. “I want to see if I can get you guys to cum at the same time.”
I pulled out and positioned myself between them, both sisters side by side on the counter, their pussies inches apart. I fingered Emma with my right hand while fingering Jessica with my left, both of them grinding against my hands, chasing their orgasms.
They came within seconds of each other—Emma first with a sharp cry, then Jessica following, both of them soaking my hands. I was right on the edge myself, my cock throbbing with need.
“Cum on us,” Emma said breathlessly. “Mark us both.”
I stroked myself frantically, my orgasm hitting hard. I came across both their pussies and stomachs, thick ropes painting their skin, marking them as mine.
We stayed like that for a moment, all three of us catching our breath. Then I glanced at the clock and swore.
“Shit, I’m going to be late for work.”
Jessica and Emma laughed as I scrambled to clean up and get dressed. I kissed both of them quickly and grabbed my keys.
“Have fun today,” I called over my shoulder.
“We will! We’re gonna kidnap Dad tonight!” They blew me kisses as I rushed out the door, my body still humming with satisfaction.
The morning at Blackwood was slow, which I appreciated after the intense start to my day. I spent most of it coordinating supply orders. There seemed to be an endless to-do list of work, and there was a frantic atmosphere to the place as the admin department was now fully in high gear. The pattern became impossible to ignore: Blackwood was spending money hand over fist on permaculture supplies.
Industrial water filtration systems. Medical supplies that could stock a small hospital. Backup generators powerful enough to run a small city. Seeds for large-scale agriculture. Even weapons — officially for “security purposes.”
Richard was building something designed to sustain hundreds of people for years, and he was emptying the coffers for it. It seemed like such a big gamble. I had only just started at the company, and before the year was out I wondered if it would even exist any more. If it did, it would be in an entirely different form.
Katherine found me starting to set out the lunch foods around noon, looking as immaculate as always in a pencil skirt and blouse.
“Hope you’re having a fun Casual Friday,” she announced.
I looked up from the refrigerator. “What?”
“Haven’t you noticed? It’s Casual Friday.”
I thought about it — a few people I’d passed in the halls had been stark naked. “Okay?”
“Casual Friday at the office here means something specific. You can opt in by being naked. It designates you as free-use to anyone who wants you.”
My brain short-circuited. “Free-use?”
“Exactly what it sounds like. If you’re naked, anyone can approach you for sex. No negotiation needed. You’re here to be used.” She smiled at my expression. “Don’t worry, you don’t have to participate. But it can be a pretty fun way to let off some steam at the end of the week.”
Sure enough, as people started coming in for lunch, I saw three completely naked people — two women and one man — moving through the office. They wore ID lanyards and shoes, the rest of their bodies on full display.
Katherine and I grabbed salads and found a table by the windows. We engaged in some small talk, but I confess to being pretty distracted, wondering if anything was going to happen during the lunch break. My co-worked noticed and just smirked, leaning back to also look around.
“There,” Katherine said, nodding toward a curvy blonde woman in her early thirties entering the cafeteria. She was completely naked, her body on full display — large breasts with dusky pink nipples, soft stomach, round hips, neatly trimmed pussy. She moved with complete confidence, as if walking around an office building nude was the most natural thing in the world.
She got in line for food, and I watched three men notice her and exchange glances. They approached while she was selecting her salad toppings, one of them — tall, maybe forty, athletic build — speaking to her quietly.
“May we?” I heard him ask.
She turned, looked at all three of them, and smiled. “Absolutely. Where?”
“Right here?” another man suggested, gesturing to an empty table nearby.
“Perfect.”
My fork stopped halfway to my mouth. “They’re going to...?”
“Yeeeaup,” Katherine said, her eyes bright with interest.
The blonde woman — I could see her name badge now, “Rachel, Marketing” — set her tray aside and bent over the table, her ass presented to the room. The first man stepped behind her, undoing his belt and pushing his pants down just enough to free his cock. He was already hard, thick and ready, and licked and groped at her, testing her wetness before he positioned himself at her entrance.
“Ready?” he asked, his hands on her hips.
“God yes,” Rachel breathed.
He pushed inside her in one smooth stroke, and she gasped loudly, her fingers gripping the edge of the table. Around us, a few people glanced over with mild interest, but most continued eating and chatting. This was apparently so normal that it barely registered.
The man started fucking her with steady, deliberate strokes, his hips slapping against her ass. Rachel moaned openly, not bothering to stay quiet, her breasts swaying with each thrust.
“Fuck, you feel nice,” the man groaned.
“Harder,” Rachel demanded. “Use me hard.”
He increased his pace, gripping her hips brutally, pulling her back onto his cock with each forward thrust. The wet sounds of their fucking carried across the cafeteria, and now more people were watching, a few compliments on technique or just general encouragement.
The second man moved to Rachel’s front, his pants unzipped and his cock already pulled out — shorter and curvier than the first man’s. He tapped it against Rachel’s lips.
“Open up,” he said.
Rachel opened her mouth eagerly, and he pushed inside, groaning as her lips wrapped around his shaft. She sucked him enthusiastically while still being pounded from behind, taking both cocks with practiced ease.
I felt myself hardening in my pants, the visual overwhelming. Katherine noticed and smiled.
“Getting turned on?” she asked, her hand landing on my thigh.
“Yeah,” I admitted, not bothering to lie.
“Good. Me too.” Her hand slid higher, finding the bulge through my pants. “Rachel loves a good gangbang. I’ve never taken the plunge.”
The third man had moved beside Rachel, playing with her hanging breasts, pinching and pulling her nipples until she moaned around the cock in her mouth. Then he stripped completely, his own cock hard and waiting.
“I want her ass,” he announced.
The man fucking her pussy pulled out, and Rachel released the cock in her mouth long enough to say, “Do it. Fill all my holes.”
They repositioned—the first man lay on his back on the table, and Rachel lay face up atop of him, reaching between them to get him seated against her ass. She wiggled herself down onto him, both of her hands gently but firmly holding him in place in order to get herself seated. The entire lounge had a view of her spread, fucked pussy invitingly open as she worked the cock into her asshole a half-inch at a time. The second man moved back to her mouth, and she resumed sucking him. The third man positioned himself between their legs, and slid himself into her pussy.
“Aaa-a-and now you’re airtight,” he murmured, and pushed inside slowly.
Rachel gasped around the cock in her mouth, her body tensing, then deliberately relaxing to accept them both. She got herself comfortable, and all three men started moving together—a coordinated rhythm that had Rachel completely filled, completely overwhelmed.
“Holy fuck,” I breathed.
Katherine’s hand pressed harder against my erection. “You want to join them?”
“I ... maybe? Where?”
“Just watch for now.” She spread her legs slightly under the table. “Touch me while we watch.”
I slid my hand up her skirt, finding her panties soaked through with arousal. I pushed them aside and slipped two fingers inside her pussy, and she bit her lip to suppress a moan.
“That’s it,” she whispered. “Finger me while we watch her get used.”
I worked Katherine’s pussy with my fingers, alternating between rubbing in circles and fucking them in and out, while watching the gangbang escalate. Two more men had approached now, stroking their cocks while waiting their turn, and Rachel’s eyes tracked them hungrily even as she serviced the three currently using her.
The man in her pussy came first, groaning as he filled her, then pulled out and stepped back. One of the waiting men immediately took his place, pushing into her without preamble. Rachel screamed in pleasure, the sound muffled by the cock in her mouth. Another brushed against her cheek, and she grabbed it and stroked it before taking turns, sucking and panting on both of them like a wild animal.
“She loves it,” Katherine breathed, grinding against my fingers. “Look at her face.”
Rachel’s expression was pure bliss — overwhelmed but ecstatic, her makeup smearing a bit from the sweat and sex, her face wet with saliva and precum as she went to town. She was enjoying herself immensely, clearly, well-practiced at taking multiple partners, at being used and filled and covered.
The man in her mouth pulled out and came across her face, thick ropes painting her cheeks and forehead. He stepped back, and another man immediately replaced him, his cock pushing between her cum-covered lips.
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