This is my ass. There are many like it, but this one is mine. My ass is my best friend. It is my life. I must master it as I must master my life. Without me, my ass is useless. Without my ass, I am useless.
We went away on a family holiday and my sister and I had to share a hotel room. She couldn't keep her horniness to herself and didn't seem to mind that I was in the same room. What bothers me most is that her cock is bigger than mine...