Unexpected Bonds - Cover

Unexpected Bonds

Copyright© 2026 by Dilbert Jazz

Chapter 3: The Deepening Descent

Erotica Sex Story: Chapter 3: The Deepening Descent - Step-siblings Sophia (29, struggling artist) & Julian (27, guarded coder) ignite buried desire in an empty Kansas City mansion over Thanksgiving. Vicious confessions lead to brutal degradation: squirting shame, face-painting cum, personal humiliations in parents’ bed, threesome with Riley as toy. Raw fucking against family portraits seals their twisted intimacy. No redemption—just honest ruin they crave.

Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa   Mult   Consensual   Incest   Brother   Sister   DomSub   MaleDom   FemaleDom   Humiliation   Rough   Group Sex   Anal Sex   Facial   Masturbation   Oral Sex   Squirting   Caution   Slow  

The master suite door closed with a soft, definitive click that felt louder than any shout. The room belonged to their parents—always had. Four-poster mahogany bed, cream silk duvet still faintly scented with their mother’s lavender detergent and their father’s aftershave, nightstands cluttered with half-read paperbacks and a framed photo from their wedding cruise two years ago: all four of them smiling on a Danube balcony, arms around shoulders, pretending the family was whole. Sophia walked past it without looking. She was still naked, cum flaking on her cheeks and breasts from the study, thighs sticky with her own squirt, the faint metallic tang of shame clinging to her skin like perfume.

Julian didn’t turn on the overhead light. Only the bathroom glow spilled through the cracked door—sickly yellow, carving harsh shadows across the carpet and the carved headboard vines that looked almost like restraints in this light.

“On the bed,” he said, voice low enough that it vibrated in her chest. “All fours. Face down. Ass up. Spread yourself like you’ve always wanted someone to see you this way.”

Sophia crawled onto the mattress without hesitation. The sheets were cool against her overheated skin, a cruel contrast to the fire still burning between her legs. She positioned herself in the center—knees wide, back deeply arched, forehead pressed to the comforter so her ass lifted high. Reaching back with both hands, she gripped her cheeks and pulled them apart until the stretch ached. Cunt still puffy and dark from earlier, lips parted, clit swollen and glistening; asshole exposed and twitching in the cool air, a thin trail of her own slick already sliding down the cleft toward it. She felt every inch of vulnerability: the way the bathroom light caught the drying cum on her back, the way her thighs trembled from exhaustion and need, the way this bed—their bed—made every act feel like desecration.

Julian stood at the foot of the mattress, jeans still open, cock half-hard and slick, veins standing out like ropes. He didn’t touch himself yet. Just watched her hold the pose, breathing slow and deliberate.

“Beg,” he said. “Beg like the clingy, embarrassing little sister who’s spent years pretending she didn’t need her big brother to notice her.”

Sophia’s voice came out small, cracked, almost childlike at first—then broke wide open.

“Please ... please ruin the sister who’s always idolized you. The one who cried for three days straight when you left for college and then spent years pretending she didn’t miss you every single fucking day. Stretch my worthless holes, fill me with whatever you want, piss on me after so I can feel marked like the property I’ve always secretly wanted to be. Remind me I’m still the girl who peaked when you used to carry me on your shoulders across the yard so I wouldn’t step on broken glass—now I’m just a sloppy, leaking reminder of how far I’ve fallen. I stole your old college hoodie once after you moved out—snuck into your room while you were gone, pressed my face to it, came on the sleeve thinking about your hands around my throat. I’m disgusting. I’m your disappointment. Please make it hurt. Please make me feel small.”

Julian stepped closer. He hawked a thick glob of spit—deliberate, slow—directly onto her asshole. Watched it slide down the cleft, mixing with the remnants of her slick, pooling at her entrance before dripping toward her cunt.

 
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