Position her on hands and knees

I move around the bed so I am behind her perfect ass and slap her just once to remind her who was in charge.

“Are you still nice and tight, girl?” I ask as I position the tip of my cock into her pussy. “I like raw Earth girls like you because of how tight you are when you're first harvested.” Her moan is not very loud, but full of need. “That's why I check out the ****-ships when they land with their holds full of your planet's hottest capured girl-flesh.”

“You mean there are other slaves brought to this place from Earth?” Alison sounds incredulous at the possibility that slavers might be raiding Earth for beautiful young girls like her. Unlike you she has never read John Norman's Gor books, or any other of the same genre. “Other innocent girls like me, snatched from their homes and trained to satisfy the sexual desires of their cruel masters.” Instead of answering right away I drive deep into her and savor the feeling of her hot sex gripping my cock.

“Oh yeah, I've fucked close to a hundred of slaves from your homeworld.” I grunt out, doing my best to maintain the role of the insatiable Master. “You're from America, right?” I take her whimper as an affirmative. “I like Americans, they're so arrogant. I like breaking them, fucking them hard and making them like it.” I continue conversationally as I push into her again, "Canadians too, but I think my favorites are are the long-legged blondes from Northern Europe. It seems that once you get your cock in any one of those eager sluts she just can't help herself.”

“You're so cruel. This whole awful planet!” Alison's hands clutch at the bedding as I start pounding even harder. “What have we ever done to you?” I laugh at the feeling of power and domination that is driving this forbidden fantasy.

“You haven't done anything.” a particularly hard thrust drives her face deep into the bedding, “other than breed a planet of beautiful young women who squirm so nice when a real man spreads their legs.” I pause long enough to use her silky hair to pull her back onto her forearms, “You Earthgirls fuck so nice I suspect females on your planet must have been selectively bred for submissive traits sometime back in your ancient history.”

“Oh God ... oh God no ... ” I'm not sure if Alison is playing out the role of the untrained **** girl being soundly fucked or if she is objecting to this male-centered fantasy version of history, but I don't really care. Her pleading is only adding to my pleasure and the cum that has been held in check for so long is finally ready to blow. Almost like she planned it this way Alison collapses onto the bed screaming out in release and drags me with her into a wild climax.