The Offer
Copyright© 2026 by Tharnoren
Chapter 6
Incest Sex Story: Chapter 6 - College siblings Alan and Madison meet wealthy, provocative Rebecah at a wild night out. Her shocking offer—for them to indulge her taboo fantasy for cash—pulls them into a spiral of seduction, blackmail, and forbidden intimacy they can’t escape.
Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa Blackmail Coercion Consensual Romantic Heterosexual Fiction Incest Brother Sister Humiliation Light Bond Rough Group Sex Anal Sex Analingus Cream Pie Facial Masturbation Oral Sex Spitting Slow Violence Illustrated
Alan dropped heavily onto the worn-out couch beside Madison, the frayed fabric scratching faintly against his jeans. The apartment was drowning in a thick, muffled silence, broken only by the distant tick of a wall clock and the low hum of the fridge in the kitchenette.
He turned toward her, his face a mix of exhaustion and worry, and tried one last time to talk sense into her, his voice low, as if he were afraid of waking something bigger than both of them.
“Madi, come on ... She might say no, you know? We already brushed her off once, and she got the message. Why the hell would she agree to see us again just for ... for that?”
Madison shook her head without even glancing at him, eyes locked on her phone, gripping it like a lifeline.
“It’s worth a try. She’s obsessed with us, you saw it, right? If she says no, whatever, we move on. But imagine if she says yes.”
He exhaled, dragging a hand through his messy hair.
“She’s nuts, Madi. Completely out of her mind. If she agrees, you know damn well she’ll want more than a kiss. She’ll push, she’ll climb all over the line, and we’ll be stuck in her crazy again.”
She finally turned toward him, a sharp, stubborn gleam in her eyes, her voice cracking like a whip.
“Then we negotiate. Less than last time. Just a kiss. That’s it. We set the limits, end of story.”
Alan hesitated, gaze drifting away for a second, then he let out, voice tight:
“That first kiss didn’t bother you? I mean ... it was weird as hell, wasn’t it?”
Madison rolled her eyes, lips twisting into an annoyed smile.
“Stop acting like a kid ... It was nothing. Just bullshit for some cash. That’s all.”
He felt a flicker of disappointment—how little it had meant to her, while he...
He shoved the thought away, shoulders slumping as resignation sank in.
“Fine. Okay. I’ll message her.”
Madison stared at him, her eyes locked onto his like she was waiting for something more solid, an immediate commitment. Alan caught on instantly, a faint, ironic smile forming.
“Alright, alright ... I’m messaging her now.”
He pulled out his phone, typed quickly, fingers hesitating, and sent it off with a soft swoosh: “Hey Rebecah, wanna meet up again with me and Madi?”
He slipped the phone back into his pocket and stood, ready to head home and leave this madness for the night.
But the phone vibrated almost instantly—like she’d been sitting there, waiting.
He froze, pulled it out, frowned, and read aloud, surprised:
“‘Hi Alan! Of course, I’d love to! I’ve been thinking about you two all week, you’re so cute together. I’m free whenever, just tell me! 😘’”
Madison straightened up, victory flashing in her eyes despite how tired she looked.
“Ask her for Saturday afternoon. I mean ... unless you’re busy. You’re free, right?”
Alan nodded, typed out a quick answer—”Saturday afternoon good for you?”—and sent it.
The reply came in under a minute:
“‘Perfect! We could go wander around town, grab a coffee? Nothing crazy, just to talk a bit. How does that sound? Kisses!’”
It looked innocent on the surface—just a friendly little outing—but they weren’t idiots. They knew it wasn’t innocent at all. Under that bubbly tone, something darker, hungrier, was lurking.
Still, Alan accepted anyway, typing a flat “Ok, see you Saturday” before pocketing his phone for good.
Before leaving, he turned to her one last time. Madison was already gone somewhere in her mind, staring at a blank spot on the wall as if she could see through it.
He hesitated, then spoke quietly:
“You know she’s gonna say weird shit ... and ask for even weirder things, right? There’s pretty much no chance this—”
“I KNOW,” she cut in, sharp but not angry—more like stressed, her voice rising as if the words burned on the way out.
She folded her arms, avoided his eyes, her whole body wired tight.
Alan just nodded, throat tight, and left without a goodbye, the door closing softly behind him. ---
The rest of the week vanished in a blur, a whirl of routines sped up by an undercurrent of dread, as if time itself were shoving them toward the inevitable. Alan and Madison kept crossing paths on campus, but something was unmistakably off—this tense pull between them, silences that stretched just a bit too long, glances that slipped away before they could meet.
During a quick lunch with the group on Wednesday, in the packed cafeteria where the smell of greasy fries blended with the constant clatter of trays, Bella narrowed her eyes as she looked back and forth between them.
“Okay, seriously, what’s going on with you two? You’re avoiding each other like you’ve got the plague. Is it about the job, Madi? Or the car?”
Madison forced a smile, poking distractedly at her mixed salad with a flimsy plastic fork.
“Yeah ... a bit of both. It’s just ... stressful, you know? I’m hunting for work between classes and the car situation...”
She let the sentence drift, and Alan picked it up, his voice neutral as he chewed on a tuna sandwich.
“The garage called yesterday. Final verdict: the frame’s fucked. Fixing it would cost more than the car’s worth. It’s dead. Straight to the junkyard.”
Sean nodded with a sympathetic wince as he drowned his nuggets in ketchup.
“Damn, rough. But hey, at least you weren’t hurt. And about the job, Madi—my uncle said he could get you an internship at his bank. Not glamorous, but it pays.”
Larry, slouched in his chair, drowning in his oversized hoodie, added with a mouth full of burger:
“Yeah, and until you’re back on your feet, we can drive you around. My car’s free. Smells like old cigarettes, though.”
They all laughed—forced, fragile—using jokes to wallpaper over the tension, convinced the weird vibe between Alan and Madison was just the fallout of normal student-life disasters: the lost job, the car twisted into a wreck on a garage lot, the bills hanging over them like ghosts.
No one dug deeper; why would they? College life was made of these small implosions, these weeks where everything collapsed only to somehow bounce back later. But Alan felt the weight of their secret constantly, that upcoming meeting with Rebecah prowling around his mind like a shadow he couldn’t shake. He avoided Madison’s eyes whenever they were all together, burying himself in engineering labs—hours spent calculating stress loads and bending moments, equations that at least had clear answers, unlike ... this.
Thursday night, after a late class on structural systems that left him with a pounding headache, Alan dragged himself back into his cramped apartment and flicked on a rerun of some football match without paying attention to it. He scrolled on his phone, ignoring the group chat where Bella spammed stupid memes to lighten the mood.
Madison, on her side, spent the evening alone at her place, surrounded by stacks of printed résumés and job websites open on her laptop. She fired off a few applications, throwing anxious glances at her shrinking bank balance, evaporating like ice under a blowtorch despite Rebecah’s money. Stress ate at her, a knot in her stomach that never loosened, and she caught herself counting down the days until Saturday, as if that absurd outing could magically fix everything.
And then Saturday arrived—like turning a page too fast, before you were ready. ---
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