You're so big!

When he was ready, panting and begging, she positioned herself. The head of her cock pressed against his entrance, pushing in slowly. Inch by inch, she filled him, his ass clenching hot and tight around her.

"Fuck, you're so big," he groaned, nails digging into her arms.

Fully seated, she paused, letting him adjust, then began to thrust. Slow at first, savoring the drag, then faster, hips snapping. Her balls slapped against his skin, her pussy aching emptily below. Alex jerked himself in rhythm, pre-cum slicking his palm.

Elena leaned down, capturing his mouth in a messy kiss, tongues tangling as she pounded deeper. The bed creaked, headboard thumping softly. Sweat slicked their bodies, her breasts bouncing with each drive.

"Harder," he demanded, wrapping legs around her waist. She obliged, angling to hit his prostate, making him cry out. Her own climax built, cock swelling inside him.

"Cum in me," Alex urged, his strokes frantic. He came first, spurts arcing onto his stomach, muscles spasming around her. The squeeze pushed her over—her cock erupted, flooding his ass with thick jets of cum.

She kept thrusting through it, milking every drop, her pussy contracting in sympathy, juices dripping down her thighs.

They collapsed together, breathing ragged. Alex's hand roamed her back, tracing her curves. "That was incredible. We have to do this again."

Elena nodded, a thrill mixing with dread. Mark would be home soon. She cleaned up quickly, the evidence of their passion hidden away. As Alex slipped out the back door, she lay in the rumpled sheets, body sated but mind racing toward the next risk.

The affair was no longer just touches and tastes—it was penetration, possession. And she craved more, deeper into the shadows.