He fucks you

Even your father is out of breath now that he's fully inside you, and he pauses for a minute as you both calm down.

"Phoebe, dear, you did it! Holy shit, look at your stomach!" he says, rising up off of you onto his elbows.

You manage to glance down over your breasts enough to the distinct ridge of his cock along your lower belly. You don't have long to admire it, because it disappears as he begins to withdraw his cock half way, before slamming into you again.

Before you know it, he's pistoning into you in earnest. Your insides are being battered and there's nothing you can do but let it happen. Strangely, despite the pain, you find yourself... enjoying it? Each thrust pushes your entire body against the bed, and he groans.

"I'm sorry, Jennifer, but I've never felt this good before!" he says, apologising to your mother.

He begins to groan louder, and you feel something of your own building up inside of you...