Caught in the act: Slim stepsister seduces stepbrother in bathroom

I'm home from college, and I'm in the bathroom when I hear moans coming from the shower. I peek inside to find my hot stepsister, a petite blonde with a killer body, getting off to the sight of my big dick. She's so turned on by my size that she can't resist trying it out. She starts sucking me off, her tiny hands barely able to grip my thick shaft. We move to the bedroom, where she eagerly takes me inside her. She rides me like a pro, her tiny body bouncing up and down on my monster cock. We switch positions, and she takes me deep, her tiny pussy getting pounded by my big dick. I can tell she's close, and I make her cum hard, filling her mouth with my hot load.