With the first major thrust she feels her knees slip across the dirt, gasping at the force thats now positioned inside her.  The process continues with each time he pumps, and she finds herself slowly drifting across the floor.  The dirt stings as it scrapes up her knees, but the creature behind her makes that small thing hardly matter.<br/><br/>The massive member is in her inner sanctum, and now the only reason for the thrusting is to finish the deed.  After a couple more pumps, Liz feels the creature start to swell within her.  She cries out slightly, her already stretched canal being forced wider and wider.  Soon she feels like she's about to tear in half, and wonders if she might actually if this huge creature doesn't release soon.