Recently found some naked pics of my sister online.  (her tits are my profile avatar)  She has never talked about posing nude, but unless this woman is a perfect body double, she is my sister.  I'm not sure how old she was when the pics were taken, but I'm guessing late 30s or early 40s.  She is a big girl with big fat tits.  I've always been a little horny for her, but since I found these pics, I really want to have some fun.  I would happily fuck her if she was willing.

The next time she is visiting (lives far away), I plan to put her pics up on my computer screen and start jacking.  (completely naked, of course)  Then I will "get caught" by her and see where things go.  Hopefully she will at least be flattered that her nude pics make me hard.  Of course I'm hoping for a LOT more.  I would love to suck her big tits, 69 with her, mutual masturbation and then fuck her.  (a lot of times...)