I let out an almighty groan of pleasure as I pulled my cock from Jen's now well-used pussy and gave myself a half a dozen strokes. I kept my hand on Jen's head to make sure she didn't look up and spot Erica, but other than that, my attention was on her sister completely. Our eyes locked as I started shooting my cum all over Jen's ass and back. Erica shuddered and squeezed her thighs closed around her hand in what I suspected was a silent orgasm.

By the time I was done, Jen's firm, round butt was covered in my seed, and a few big strands of my cum...