Submissive male training - femdom strapon

I was placed with my knees up and feet flat on the table which of course meant that the gown covered nothing of my crotch when viewed from the direction of my feet. The nurse then produced a rectal thermometer and a tube of KY jelly and after lubricating her gloved finger slowly inserted it into my ass. Standing between my knees and looking me right in the eyes, she slowly moved her finger deeper into me, spreading the slick lube around. Her finger made contact with my prostate and in nothing flat, my cock was hard as a rock and extending it's full 7 inches. The nurse looked down and then looked back at me and smiled. She then removed her finger and inserted the thermometer. She held onto it and slowly moved it in and out as she looked at her wrist watch with a grin on her face.

Mistress Jennifer stepped back into her view; she was holding a strapon harness fitted with a massive black dildo. Den paled as he saw its dimensions. The strapon was seven inches long and easily two around, the head looked like an apple. It was dark black and wickedly veined with several heavy ribs.
"Are you sure baby? This is a mighty big cock for a little girl like you,"
"Yes mummy, take me with your giant cock," the submissive sissy said in a little child voice.
"All right baby, you did such a good job eating my pussy I guess I will do what you want," Mistress said.