The cowgirl, her body aching for release, clambers onto the horse's back, her hands gripping its mane. She feels its powerful muscles ripple beneath her as she lowers herself onto its cock, gasping as it fills her completely. The horse bucks and snorts, but she holds on tight, her hips moving in rhythm with its thrusts. She can feel its hot, pulsating cock inside her, driving her closer to the edge. The cowgirl's body is covered in a sheen of sweat, her breasts heaving as she takes the horse's cock deeper and harder, her orgasm building until she cries out, her body shaking with release.