Disclaimer: This story is fictitious and so are the characters. All characters are 18-years-old or older. In real life, all non-consensual sex is immoral and illegal, and not condoned by the author. Not for publication.
This story contains non-consensual incestuous sex. It's a fantasy. Hopefully, people wouldn't really act this way.
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DAD DROPS IN AND HANGS AROUND
It was just past eight in the morning when George Thornton heard his wife's cry from somewhere in the house.
Bolting from bed, he quickly determined her screams were coming from David's room. In only his pajama bottoms, he raced to where the sounds emanated.
By this point, David had decided a submissive strain ran throughout his family.
His dad was an academic, brainy but weak. He suspected he could dominate his father just as easily as he did his older sister...and now his mother, although he was still working on that part of his plan.
The 18-year-old deviant wasn't sure about his twin sister Brit, who took after her brother in looks and temperament, but he'd take it one step at a time. He could worry about her later.
George burst through the bedroom door, unready to handle the vision meeting his eyes. David expected to find out if his suspicions about George's lack of backbone were correct.
"WHAT?!!" George marveled as much as yelled. David's father was stunned into inaction with what he saw.
Not a few feet away, his wife of 20-plus years was tied-down naked - her body draped with only the remnants of her bathrobe. More remarkably, her flexible legs were trussed in the air with her bare feet pointing to the ceiling.
That was just a predicate for the inconceivable picture of their brilliant 19-year-old daughter, also naked, on her knees with her face buried between her mother's legs, eating his unwilling wife's responsive cunt as Kate writhed involuntarily to the varied ministrations of Allison's adroit tongue.
"OH, THANK GOD!" Kate exalted in her relief. "GEORGE...OOHHHH...IT'S DAVID..."
The appearance of her husband raised an expression of hope that filled Kate's relieved eyes, even as her daughter continued to provoke bolts of pleasure throughout her erotically-charged pussy.
'BAMMM...!'
"UUGGGH...," George groaned.
No sooner had the words left Kate Thornton's lips than her husband dropped to his knees, gasping for breath from the blow to the stomach from his son, knocking out his air and leaving him searching for his breath.
David had the advantage and he wasn't going to waste it, smacking his dad on the back of the head with his open palm causing George to crumple to the floor on all fours.
Allison caught the commotion out of her peripheral vision but decided it was best to remain servicing her mother's inflamed cunt, with her labia now fully engorged and her fuck hole emitting a generous flow of dewy liquid.
"HUHH...UHH...HOOH...," Kate's breathing deepened.
Allison suspected her mother was getting close to total surrender to her impending climax, and Allison didn't want to be perceived by her troublesome brother as the cause of any failure.
Disappointment overcame Kate's face as George fell, concerned as her husband struggled to get up on hands and knees to catch his breath. Yet, even then, she continued to endure the ongoing torment of her clit by her subservient daughter.
"OHHH...OHHH...SWEETIE...NOOO...," Kate cooed unconvincingly.
Taking advantage of his father's short-term disorientation, David swiftly attached a pair of padded handcuffs to his left and right wrists. He had purchased the cuffs online in the last week for use on Allison, but figured they would work just fine for his present purposes.
"C'mon dad, upsy-daisy," David instructed George, his powerful arms dragging his lightweight father upright to attach the other end of the cuffs to the pull-up bar affixed to his bedroom door as it had been for years.
In this manner, his gasping dad was immobilized - perfectly positioned to witness the downfall and submission of his wife, his daughter, and ultimately himself.
"What the hell are you doing, David?" George immediately demanded an explanation, hanging weak-kneed as he regained his senses. "You can't do this to your mother? What have you done to Allison?"
"Allie, sweetheart, you can't do...," George started to tell his strangely-acting daughter when David cut off his dad's diatribe with a star-inducing slap to the side of the head.
"JUST SHUT THE FUCK UP AND WATCH, DAD!" He glowered. "THAT'LL EXPLAIN EVERYTHING."
"OHHHHH...ALLIE...UNNHH...NOOO...TOO MUCH!" George's loving wife moaned her growing ecstatic collapse under the diligent tongue-work of her dedicated daughter.
Kate was losing it to Allison's relentless attack on her mother's achingly needy clit, now swollen and hyper-sensitized to each tantalizing touch.
Sensing her mother's oncoming orgasm, Allison aggressively switched to dipping her curled tongue deep into the soaking cavern of Kate's pussy channel, determined to investigate every corner and fold of the heated chamber.
"AAAHHHHH...OOHHH MMYYYY...OHH ALLIE, THERE...UUUNNNNHHHHH...LIKE THAT...," Kate stammered her need, no longer able to look at her husband, and lost in her own sexual haze as Allison worked her magic.
Improvising on his demented plan, without warning, David pulled his hard-working sister suddenly away from his mother's soaking wet gash.
With Kate so desperately close to her peak under the lapping tongue of her daughter, it caused a start in the stressed matriarch.
"OHH...WHA...UNN! NOOOOO...," his mother unthinkingly begged for the return of Allison's able tongue.
"You want it don't you, mom? You want Allison to finish you, right?" David cruelly tortured his mother, building her unnatural but fervent need, then pulling away the source of her pleasure just before the moment of release.
"You want Allison to continue, isn't that right?" The disturbed young man cajoled. "You want your daughter to eat your pussy, don't you?"
"OHH, DAVID...PLEASE? JUST LET HER...," Kate cried.
"Just let her what, mom?" David asked tauntingly. "Finish you? Make you cum?"
"OOHHHH! JUST LET ALLISON...AAHHH...EAT ME...PLEASE!" Kate confessed shamefully, hoping that stating her need in the manner suggested by her son might be enough to placate his evil intent.
She quickly found out she was wrong.
"She's doing a good job, isn't she?" David didn't really expect an answer to this question, but he did to his next.