...pushing Lisa further up the wall. Once Bart was standing naturally, Lisa was several inches off the ground, supported only by her leg around his body and one arm loosely slung around his shoulders, leaving her completely impaled on his dick.
“God, Bart, it feels like I’m being fucked by a flagpole or something,” Lisa moaned.
“Like that famous history guy said,” Bart snickered, “I have not yet begun to fuck.”
With the noise of the water covering the sound of their bodies slapping together, Bart fucked his sister relentlessly, rocking his hips to send her body up the slick tiled wall, and letting gravity push her down onto his dick, ruthlessly spearing her again and again while barely pulling out of her, so deeply she could feel the tip of his cock against her cervix.
Lisa loved it, but the slow thorough rhythym wasn’t giving her the frantic stimulation she needed.
“Bart, please,” she begged, clenching her pussy down on him.
Lisa was right on the edge, and Bart knew she needed to come really hard, this time. There was one thing that always made her go off like a rocket... Bart grabbed another handful of liquid soap, and gently rubbed at Lisa’s asshole, before easing his soapy fingers ins...