“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.
