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.
My bullies made a bet that whoever could knock me out first got to fuck my gf. After an hour of beating me I was still conscious. My sister barged in and when I explained to her what was happening she punched me in the face, knocked me out, and said “No y
