"Cum," she said. "Ah!" She said it as I shifted my weight. She said it as I pulled at her thick buttock and pushed up into her pussy with my hips. She said it as I grabbed her back and torqued her to the ground. The knife at my neck was there, but suddenly wasn't. It clattered to the floor as we tumbled. We seemed to be a ball of wet limbs and tangled clothing for a breathless, sightless time, then suddenly she was on the ground, on her back, her fingers scratching at my neck, and I was on top, plugged inside her, and I reached down and pulled...