Secrets, Riches, and Rescue

“Surprise!” I yelled with a giggle.

And indeed, it was a surprise for the three of us.

Mark froze in the middle of pumping the woman, whose breasts were pressed to the shower glass wall, now on full display.

I could not see her face as it was covered with wet hair, but I recognized her voice the moment she squealed, covering herself.

It was my stepsister!

My fiance was screwing my step-sister on our third anniversary.