Relative Pleasures
Copyright© 2026 by Obscene Vices
Chapter 5: Family Together
Incest Sex Story: Chapter 5: Family Together - In the Davidsons' perfect suburban life, Jenny and her sister Mandy have been secret lovers since teens, sharing boyfriends and now their husbands. One night, with the kids supposedly out, the adults start an orgy in the living room. John and Emma return early from a busted party, witness the incestuous scene, and sneak upstairs. Shocked but aroused, they confess desires and have sex, fantasizing about joining the family depravity. No one is safe from the family taboo.
Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa Fa/Fa Consensual Lesbian Heterosexual Fiction Sharing Slut Wife Wife Watching Incest Mother Son Brother Sister Father Daughter Cousins Uncle Niece Aunt Nephew InLaws Gang Bang Group Sex Orgy Anal Sex Analingus Double Penetration First Facial Masturbation Oral Sex Sex Toys Voyeurism
Before Mark could process the deluge of emotions—shock, relief, and that undeniable, shameful arousal—Emma moved. She didn’t walk; she ran the few steps between them, a naked, determined blur, and threw herself against his chest. He instinctively caught her in his arms and lifted her, her legs wrapping around his waist, her arms around his neck. “Daddy,” she breathed against his lips, and then she was kissing him.
It wasn’t the tentative peck of a daughter. It was a hungry, possessive kiss of a lover. Her tongue, bold and slick, forced its way past his lips, and Mark tasted his wife on his daughter’s tongue. That was the moment his last thread of control snapped. He was kissing her back, his mouth devouring hers, his hands gripping her ass, pulling her tighter against the hard ridge of his cock straining in his gym shorts.
From the couch, Jenny watched them. She saw her husband lift their daughter, his kiss a devouring thing. She saw the raw, unapologetic need on his face, a need she understood, a need she had shared with her own sister. And in that moment, the last of her fear and the last of her shame evaporated. This was what she wanted—acceptance.
She looked at John, who was watching her, his expression of love and unsated desire. She gave him a slow, loving smile, a smile that was all mother and all lover. Then, without a word, she leaned over and took his cock back into her mouth, her lips stretching around him.
Mark opened his eyes and saw Jenny sucking John. Before he could say anything, he heard Emma. “Daddy,” she murmured against his lips, fingers working his shorts. “Let me make you feel good.”
Mark didn’t resist when she pushed his shorts down, his erection springing free, already leaking for her. “Em—”
She didn’t let him finish. Her lips wrapped around him in one greedy swallow, her tongue swirling over his sensitive head before diving down, taking him to the hilt with a wet gag.
“Fuck!” His hands flew to her hair, torn between pulling her off and holding her close.
Mark’s fingers trembled as they tangled in Emma’s hair, his cock throbbing between her pink lips. The sight of his daughter’s blue eyes gazing up at him—innocent yet knowing—sent a fresh wave of heat through his cock. She sucked him noisily, and when he looked up, he saw his wife sucking his son. Whatever is this, he thought? That thought was removed by the pleasure his daughter was giving him.
“Fuck, Em,” he groaned, his hips jerking involuntarily.
She released him with a loud pop, her lips glistening. “I want more, Daddy,” she whispered, crawling up his body to claim his mouth again.
Across the room, Jenny whimpered around John’s cock, her fingers digging into his thighs as he face-fucked her with slow, deep thrusts. The obscene gawk-gawk of her throat taking him filled the air. This is where Emma led her father, using his cock as a baton to guide him.
“I want you, Daddy,” she whispered, her voice husky with need. “I need you to fuck me. Not just my mouth. I need your cock inside me. Inside my pussy.”
She moved to lie back on the couch, right beside her mother. She spread her legs, her pussy glistening, an open invitation. “Please, Daddy. Fuck me.”
Mark looked from his daughter’s eager, waiting body to his wife’s face. Jenny had temporarily stopped sucking John, whose cock lewdly jerked in front of her mouth. She saw the question in her husband’s eyes, the last flicker of hesitation. She leaned over and kissed him, a deep, loving kiss. “Do it, Mark,” she whispered against his lips. “Fuck our daughter. It’s what she wants. It’s what I want. It’s what we all want.”
Mark obeyed, his body moving on autopilot, his need for Emma overriding every other concern. With a groan, he drove into her, burying his cock in her wet, waiting pussy. Emma cried out, a sharp, ecstatic sound of pain and pleasure, as he stretched her open, inch by thick, wonderful inch.
He buried his face in the crook of her neck, his breathing ragged. “Fuck ... Emma ... you’re so tight ... so perfect.”
Emma wrapped her arms and legs around him, holding him close, her body trembling. “You feel so good inside me, Daddy,” she breathed.
Seeing this, Jenny’s arousal skyrocketed. She let go of John’s cock and pushed him onto his back beside his sister.
Emma smirked. “Mommy wants to play too.”
Jenny didn’t deny it. She swung a leg over his hips, positioning herself over his hard cock. She looked down at her son, her eyes burning with carnal, incestuous hunger. “Your turn, my baby boy,” she purred and sank onto him, taking his whole cock in one fluid motion.
John cried out, his hands flying to her hips as his mother’s hot, wet pussy enveloped him. “Mom ... oh fuck, Mom...”
Mark groaned at the sight—his wife riding their son with abandon, her tits bouncing, her fingers tangled in John’s hair as she leaned down to kiss him, their tongues sliding together in a filthy reflection of the way she fucked him or Bob or any of the lovers they had had.
Now the parents were fucking the siblings on the same couch. Mark began to move in Emma, pulling out slowly before thrusting back in, a slow, deep, powerful stroke that made them both groan. Jenny matched his rhythm, riding John with a practiced roll of her hips. As they fucked, John and Emma reached across the space between them, their hands finding each other. They laced their fingers together, holding on tight. They looked at each other, a shared, knowing smile on their faces, and then leaned in to kiss each other. They had done it. They had created this new, perfect reality.
Jenny whimpered, her rhythm faltering as she watched her daughter get fucked by her husband and kissing her brother, her own hips still rolling on John’s length. “God, Mark—look at them—”
Mark couldn’t tear his eyes away. Emma—his Emma—getting fucked by him, her tits bouncing as she again looked at him with love and hunger. “Fuck me, Daddy!” Emma said with a smile. “Fuck your little girl!”
Jenny, already stimulated from her earlier orgasm with Emma and from the sheer depravity of the moment, was the first to go. “John! Baby, I’m cumming!” she screamed, her body convulsing as a powerful orgasm ripped through her. She collapsed forward, her head resting on John’s chest as her pussy pulsed around him.
The sight of his wife cumming on their son was too much for Mark. He could feel Emma’s pussy starting to flutter and clench around him, the sign that she was close. He reached down between their bodies and found her clit with his thumb, rubbing it in tight, hard circles.
The added stimulation was her unraveling. Emma came again. The feel of his daughter cumming so hard around him while she shook with glazed eyes was all it took to send Mark over the edge. “I’m gonna cum, Emma!” he roared. “I’m gonna cum inside my little girl!”
“Yes, Daddy!” she cried out. “Cum in me! Fill me up!”
“Empty in her, Mark!” Jenny encouraged, lifting her head to watch. “Give our daughter your cum!”
With a loud groan, he buried himself inside her one last time and came, his cock pulsing violently, thick, hot jets of his cum flooding her womb. He collapsed on top of her, his body trembling with the force of his release, his face buried in her hair. He turned his head and kissed Jenny deeply, a kiss of triumph and shared sin.
Emma lay beneath her father, a lazy, blissful smile on her face. She had done it. She had been fucked by her father. The family was now completely fucked.
Mark didn’t want to remove his cock from his daughter’s pussy. But the orgasm having drained him, he finally withdrew, his cock making a soft, wet sound as it left her body. A thick trickle of his cum immediately began to drool out of her well-fucked pussy. But Jenny was already there. She moved with a purpose, her eyes dark with hunger. She leaned down and, without a moment’s hesitation, pressed her mouth to her daughter’s cum-filled pussy and began to lick and suck. She had sucked Mark’s come from Mandy’s pussy countless times, but this was different. This was better. This wasn’t her sister; this was her daughter. Someone she and Mark had made together. The taste was intoxicating—a perfect blend of her husband and her child. She cleaned Emma thoroughly, her tongue delving inside to scoop out every last drop.
Once Emma was clean, Jenny sat up, her face glistening. She looked at her family. Mark was watching her, his eyes full of love and awe. And John, who had been patiently watching, was still rock-hard, his cock standing proudly at attention.
A slow, wicked smile spread across Jenny’s face. She looked at Emma. “What do you say, sweetheart? Think your brother deserves a reward?”
Emma’s grin was just as wicked. She got on her knees on the floor beside her mother. “I think he’s been very patient,” she purred.
They moved to John, who was lying back against the couch cushions. Mother and daughter knelt before him, like two tigresses on the prowl. They leaned in and took turns, one sucking his cock while the other licked his balls, then switching, their tongues sometimes meeting in a wet, incestuous kiss. John was in heaven, his hands tangled first in his mother’s hair, then his sister’s.
Mark looked at the scene with amazement.
“I’m gonna cum,” he groaned, his hips bucking. “Oh god, Mom ... Emma ... I’m gonna cum!”
They pressed their faces together, their cheeks touching, their mouths open, and their tongues out. With a loud cry, John erupted, painting their faces and open mouths with thick, hot stripes of semen. Emma moaned, catching a thick glob on her tongue. Jenny giggled, a sound of pure, depraved joy, and leaned over, licking a drop from Emma’s cheek before kissing her deeply, swapping their shared cum between their tongues.
They collapsed together in a heap on the couch, satisfied and well-fucked. They looked at each other, their faces flushed and smiling, and they knew. This was their new reality. There was no going back.
Silence.
Emma giggled, stretching like a satisfied cat. “Now we’re a complete family,” she sighed, licking her lips, savoring the last remnants of her brother’s semen, which she just shared with her mother.
John smirked as he looked at his parents. “Just wait until Aunt Mandy and Abby join us.” Emma snickered, “Maybe Uncle Bob and the twins, too.”
Jenny and Mark were surprised at the mention of Jenny’s sister and her family, especially Abby, who looked just like Mandy. They looked at each other as the new truth dawned on them that their extended family may be included. And without a word spoken between them, they acknowledged that the idea excited them.
Mark exhaled, his spent cock twitching at the possibilities. He let out a contented sigh as Emma curled against his chest while John nuzzled into Jenny’s neck from behind with his hands holding her breasts and lightly pulling her nipples. The family was surprisingly comfortable now with incestuous sex in front of each other. He couldn’t believe how perfectly his family fit together like this—all of them sated and blissful in their forbidden intimacy.
Emma was the first to break the silence, with that mischievous grin Mark had come to adore. “You know,” she mused, her fingers trailing down to toy with his nipple, “I still can’t believe how lucky we got that night—walking in on you guys with Aunt Mandy and Uncle Bob.”
John groaned, his half-hard cock twitching against Jenny’s backside. “Fuck. It was so hot. I will never be able to forget it,” he muttered, as his hands moved lower to Jenny’s thighs towards that forbidden fruit—his mother’s well-fucked pussy.
Jenny shivered, pressing back against John as she felt John’s fingers toying with her pussy between her legs. “Mandy was always my foil,” she confessed, her voice rich with nostalgia. “We love fucking together and fucking each other.” John and Emma were surprised to hear her mother talk like this, let alone talk about incest with her sister. They hadn’t heard her say ‘fuck’ before today.