Robbie slowly pushed himself forward, enjoying the indescribable pleasure of his sister's tight, wet, grasping pussy. He didn't have to push hard, but she was too tight for it to just slide in. He felt as if his cock was 3 feet long and that the journey to the bottom was never going to end. When he felt his pubic bone meet hers, he felt as though his cock must be embedded in her chest. She was warm and wet and tight and wonderful! Sex always felt good, but it had never felt this good. Never. Even when he and Renee were at their most passionate.

He made no effort...