On a crowded bus route, sitting next to a girl in a mini skirt, I got an erection when she pressed her butt against me. My erect penis was in full view, lifting her mini skirt and showing her underwear. Embarrassed, she tried to pull her skirt down, but her hand touched my erect penis, igniting our mutual desires. My erect penis, nestled in the crevice of her butt, was discreetly inserted into her vagina to avoid being noticed by other passengers.
