Crawling inside, the doctor licked a wall, tasting her sweet juices. He crawled a bit deeper and started to move, pressing his arms against her walls, stretching her as best as he could. Dr. Smith heard a muffled moan from the outside and grinned a bit. Reaching up, he touched her g-spot and began to rub it. As he did, the walls around him started to squeeze harder. And harder. And harder.
Soon he was unable to do anything else and just enjoy the ride. The man could hear her moaning, so he assumed that she was rubbing her clit. He squirmed inside and opened his mouth, some of her fluid getting in. Then he heard a loud scream. The walls squeezed him impossibly tightly and right when he thought that he was going to be smothered in there, her walls pushed him out.
The doctor just panted heavily as he had came inside her as well. She looked down at him and grinned. And then...