With his hand on the back of my head, he f***s his c**k in and out of my mouth, slamming it against the opening to my throat. I haven't yet learned how to deep throat and I almost gag on his thick shaft. Pulling my mouth back a little, I wrap my hand around his saliva-coated c**k and pump it in and out of my mouth. True to his word, his urgent build-up comes fast, flooding my mouth with huge spurts of c*m that I try my best to swallow. The poignant taste of salty semen glides easily down my throat but there's too much for me and it oozes out around his c**k and runs down my chin. I pull my mouth off, gasping for air as I fall back against the couch. Damn! I just sucked off my sister's husband! And he wants to f**k me! My p***y is burning with desire! "f**k!" John says, plopping down on t

