Katie and my sister were there, waiting in my bed, naked.

My sister rode my face as her lover rode my cock. The two of them made out as they used my body to sate their lusts. I mauled Katie's fat melons as she rode my cock like there was no tomorrow. I got her to cum twice - and was working towards my own orgasm when she complained that she had to pee.

As soon as she disappeared, my sister spun around and slid her pussy onto my penis.

"Katie's going to be mad," I warned her.

"I need you LITTLE brother," she purred. "I need to feel my...