In the quiet suburbs of Chicago, where manicured lawns hid the deepest secrets, lived the Thompson family. Alex, a 22-year-old college student with a chiseled jaw and athletic build, had always been the protective older brother. His sister, Mia, now 19 and freshly graduated from high school, was a stunning blend of her white father’s features and her immigrant mother’s Latina heritage—curvy hips, full breasts, and smooth olive skin that glowed under any light. Their parents were away on a business trip, leaving the siblings alone in the spacious house for the first time in years. What started as innocent teasing escalated into something taboo, a fire neither could extinguish.
Mia lounged on the living room couch in a thin tank top and shorts, her abundant breasts straining against the fabric, nipples faintly visible. Alex couldn’t tear his eyes away, his gaze tracing the curve of her waist to her toned legs. The air was thick with unspoken tension. ‘You’ve been staring, bro,’ Mia teased, her voice husky. ‘Like what you see?’ Alex swallowed hard, his cock twitching in his jeans. ‘Mia, we shouldn’t…’ But his protest died as she straddled his lap, her warm thighs pressing against him.
Their first kiss was electric, lips crashing together in a forbidden hunger. Alex’s hands roamed her back, feeling the heat of her skin through the thin cloth. He peeled off her top, revealing her full, firm breasts with shallow pink areolas and perky nipples. Mia moaned softly as he cupped them, thumbs circling the sensitive peaks. The scent of her arousal—musky and sweet—filled the air. She ground against his growing erection, the friction sending sparks through both.
Foreplay built slowly. Alex kissed down her neck, tasting the salty tang of her skin, while his fingers slipped into her shorts, finding her plump labia already slick. ‘God, Mia, you’re so wet,’ he whispered, his voice laced with taboo thrill. She gasped as he stroked her swollen clit, the nub hardening under his touch. ‘Fuck, Alex… touch your little sister like that.’ Her words fueled him, and he fingered her tight, wet heat, feeling the inner walls clench around his digits.
They moved to the bedroom, urgency overtaking them. Alex positioned Mia on all fours on the bed, her ass raised invitingly. He shed his clothes, his cock springing free—thick, veined, with a purple-red head glistening with precum. ‘I’m gonna fuck you from behind, sis,’ he growled. Mia whimpered in anticipation. He teased her entrance with his tip, the slick folds parting slowly. As he pushed in, inch by inch, the sensation was exquisite: her tight, wet pussy swallowing him, the velvety walls gripping like a vice, warm and slippery.
The rhythm started slow, his hips rocking gently, feeling every ridge and fold of her inner walls massage his shaft. Mia’s moans filled the room—low, throaty sounds mixing with the wet slap of skin on skin. The air smelled of sweat and her tangy arousal. He thrust deeper, the head of his cock bumping against her cervix, a deep fusion that made her cry out. ‘Deeper, brother… fill me up!’ The pace quickened, his balls slapping against her clit, each plunge eliciting squelching sounds from her drenched core.
High tide approached. Mia’s breathing grew ragged, her pussy fluttering with pre-orgasmic spasms, love juices flooding around him. ‘I’m close, Alex!’ Her body tensed, then exploded: violent shudders wracked her frame, vaginal walls contracting fiercely like a fist squeezing his cock, milking him as waves of ecstasy crashed. She screamed, a primal wail, her muscles clenching then releasing in rhythmic pulses. Hot fluids gushed, soaking his thighs. Alex followed, pumping ropes of cum deep inside, the warmth mingling in her pulsing depths. In the afterglow, her pussy gently throbbed around him, their mingled essences sticky and warm, a soul-deep satisfaction binding them.
They collapsed, entwined, whispering forbidden endearments. ‘That was incredible, sis,’ Alex murmured, kissing her sweat-dampened forehead. Mia smiled, her body still humming. But desire reignited quickly. She pushed him onto his back, climbing atop for the second round. ‘My turn to ride you, big brother.’
Foreplay resumed with Mia grinding her slick pussy along his reviving shaft, her full breasts bouncing enticingly. Alex sucked on her nipples, tasting the faint sweetness, while she reached down to guide him in. The insertion was deliberate: her labia enveloping his swollen head, then sliding down, her tight channel sheathing him completely. ‘Feel that? Your sister’s pussy owning you,’ she purred.
She rocked her hips, controlling the tempo—slow circles at first, her clit rubbing against his pubic bone, then faster bounces. The visual feast: her curves undulating in the dim light, breasts jiggling, sweat beads trailing down her cleavage. Touch: her hot, slick grip massaging every vein. Sounds: her gasps, the rhythmic squish of their joining. Scents: musky sweat mixed with cum from before. Taste: he pulled her down for a kiss, savoring her salty lips.
Building to climax, Mia’s movements grew frantic, her inner walls quivering. ‘Cum with me, Alex!’ High point hit: her body arched, trembling wildly, pussy clamping down in powerful spasms, squeezing him like a velvet glove. She squirted lightly, fluids splashing, her screams echoing. Alex erupted, his cock buried to the hilt, pulsing against her cervix in that illusory deep fusion. Aftershocks: gentle contractions, warm stickiness, a profound connection.
Exhausted yet insatiable, they headed to the bathroom for a shower. Under the steaming water, bodies slick and shining, passion flared again. Alex pressed Mia against the tiled wall from behind. ‘One more time, little sis. I need you.’
Water cascaded over them as he entered her swiftly, her pussy still sensitive and welcoming. The thrust was deep, his cock sliding into her wet heat, hitting that profound depth. Rhythm varied: slow, teasing pulls followed by hard slams, the water amplifying the slippery sensations. ‘Fuck me harder, brother!’ she demanded, her voice mixing with the patter of drops and flesh impacts.
Climax built amid the steam: her breaths short, walls twitching, then the peak—intense convulsions, body shaking against the wall, pussy gripping him ferociously, juices mingling with water. She wailed, muscles locking then melting. Alex filled her once more, the warmth spreading. In the lingering haze, they held each other, the taboo bond unbreakable.
As dawn broke, they lay together, knowing their secret would continue in the shadows.
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