She kept looking at me, watching how my bulge was grinding against her ass cheek in that tiny gray bikini. The fabric stretched thin and wedged deep between her thick cheeks, my hardness pressing firm into the soft flesh, throbbing with every subtle shift.
I put my left hand on her waist and pressed my bulge firmer to her right ass cheek. The thick shaft dug in harder, heat radiating through my shorts and her bikini, making her gasp softly.
"What are you doing?" she asked, acting like she didn't know what her body was making me do. "It's inappropriate," she added, catching her breath quickly, voice shaky but needy, her body betraying her words as she leaned back subtly into the grind.
"Yeah, it's all your fault then," I said, grinding my bulge harder on her ass cheeks while squeezing her hip from the left. My fingers dug into the soft curve, pulling her closer so she felt every inch slide along her cheek.
