Draco sneered down at her. "Don't flatter yourself, Granger." He tried to make it seem like she was nothing special in bed. However, his moans and grunts betrayed the truth of that. They surely wouldn't keep doing this if Hermione wasn't the best shag ever!
"Not the only heir," he growled back. Even in his fantasy, maybe important to it, he would have a proper heir. "But you would be marked by me...filled by me. Yes," Draco moaned, nearly coming right at that moment.
He swallowed hard and recovered. "See you with your swollen belly waddling around Hogwarts," Draco mused, able to picture it in his mind.