My sister and I have a mutually beneficial relationship. When our parents are out, I'm allowed to fuck her in the ass, but only if she's allowed to finish on my face. Getting penetrated turns her on so I usually end up with a creamy mouthful of her load.
"Didn't you once say your girl would never give head, since she thought it was disgusting and humiliating? I just had to ask her once and she willingly let me use her mouth until I could dump my load down her throat. Her kiss might taste a little salty to
