Girlfriend and Sister (Seeking F)

[MagicalPen]

Based on this picture:

NSFW: http://best-links.incestholidays.com/galleries/tube-incest/Authentically-hot-incest-porn-for-you/img_6.jpg

I am looking for some one to play the role of the GF and one for the role of the Sister.

I am thinking that all 3 start as close friends, and the girls are trying to decide who is the better kisser. As the summer progresses, so do the sexcapades, the brother being the only male around gets to take advantage of both.