She must have known, she was no idiot. I had a huge boner and she was the only one in the pool. Yet my big sister looked me straight in the eyes with that knowing smile of hers and played dumb. I couldn’t tell if I loved or hated her for it.
tags: bikini, busty, big tits, big sis, sister, incest, fantasy
original: https://bustysister.tumblr.com/post/43520754847