It was just an ordinary night until the innocent fight over the TV remote turned into something far more dangerous.

The Game That Changed Everything

Sofi Becker, my gorgeous stepsister, was sprawled across my lap trying to snatch the remote from my hand. Her oversized t-shirt rode up with every twist and tug, revealing smooth thighs and the curve of her perfect ass. The scent of her freshly showered skin filled my senses.

What began as playful wrestling quickly escalated when my fingers accidentally brushed against the warmth between her legs. Her body stiffened, then trembled. The remote clattered to the floor, forgotten.

Crossing the Line

She looked up at me with those wide, innocent blue eyes that suddenly burned with something much darker. "You're hard, bro," she whispered, her voice sweet and husky.

Before I could respond, Sofi straddled me, pressing her barely-covered pussy against my rapidly growing bulge. She began to grind slowly, deliberately, her breath growing hotter against my neck.

"We shouldn't be doing this…"

The words left my mouth even as my hands slid under her shirt to cup her firm, perky breasts. Sofi moaned softly, arching into my touch. "But I'm already so wet for you," she confessed, biting her lower lip.

Unleashed Passion

That was all it took. I flipped her onto the couch, yanking her soaked panties aside. My tongue dove between her silky folds, tasting her sweet nectar as she writhed beneath me, whimpering my name.

When I finally pushed my thick, throbbing cock inside her tight, dripping entrance, Sofi wrapped her legs around me and gasped. We moved together in a frenzied rhythm of forbidden lust. Each deep thrust made her moan louder until she was shaking with pleasure.

"Cum inside me," she begged breathlessly as her orgasm ripped through her. "Fill your little stepsister up…"

The New Normal

Afterwards, we lay tangled together, sweaty and satisfied, as the TV continued playing in the background. Sofi nestled her face against my chest and whispered, "Can we play this game again tomorrow?"

I knew then that our relationship had crossed a line we could never uncross.

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