Forbidden Seduction: Step-Sis Roxie Sinner's Big Boobs Make Me Erupt in Seconds!

The air crackled with unspoken tension as Roxie, my step-sister, sauntered into my room. Her blonde hair cascaded down her shoulders, framing a face that was both innocent and devilishly alluring. I couldn't help but notice the way her tank top clung to her big natural boobs, the sight alone making my palms sweat. She had that mischievous glint in her eyes, the one that always signaled trouble. “I bet you can’t last,” she purred, her voice a low rumble that sent shivers down my spine.

It was a challenge, a forbidden game that we both knew we shouldn’t be playing. “Last doing what?” I feigned innocence, but my heart hammered against my ribs. Roxie just smirked, her gaze fixed on my rapidly hardening cock under my jeans. She slowly leaned in, her perfect boobs practically begging to be touched. “Try not to cum,” she whispered, her breath hot against my ear. “I bet I can make you explode in seconds.”

My resolve crumbled. She grabbed my hand, guiding it under her shirt. Her skin was like silk, her nipples hard and erect. I massaged her breasts, feeling the weight of them in my palms. She groaned, a sound that fueled my desire. Then she dropped to her knees, her eyes locked on mine. What followed was the best blowjob of my life. She licked and sucked, teasing me with her tongue. My head swam with pleasure, her mouth a furnace of pure sensation.

She switched to a POV doggystyle, her perfect ass jiggling with each thrust. The view was incredible - Roxie bent over, exposing her tight pussy and inviting me to take control. My grip tightened around her waist, my pace quickening. I was so close, every muscle in my body tensed. “I’m going to cum,” I gasped, my voice raw with need.

Roxie just smiled, encouraging me to let go. And I did. I unleashed a torrent of cum onto her boobs, a messy testament to her incredible skill. She moaned with pleasure, the sensation evidently as good for her as it was for me. We lay there, panting, covered in each other’s sweat and desire. Roxie had won. But honestly, I didn’t mind losing.

Roxie also had a small tattoo on her hip and piercings on her ears. She definitely had the look of a college girl about to start a wild adventure. I was just happy to join her on the ride. Now that the ice has been broken, and the taboo has been crushed, what other fantasies will we explore next?