Becky’s after school surprise: part one

“Oh god!” I yelped fearfully as Dr. Roberts pulled my white cotton panties down to my knees.
He had me bent over his desk with my little plaid skirt hiked up, so that my bare white ass was now fully visable. I tried to stand up, but he put a hand on my back, holding me down against the desk.
“No!” I cried, “Please!” as his other hand reached up, and started rubbing my virginal little pussy.
“What are you doing to me?” I wept, tears streaming down my face.
He suddenly let go of me, and opened his trousers, releasing his hard, black cock.
I stood up, and started reaching for my panties, but he grabbed a hold of my wrists, and pushed me back down, slapping my big breasts hard against his desk. He let go of my wrists, and grasped me by the back of the neck with one hand, while the other hand rubbed the tip of his hard penis against my tight little vagina.
“No,” I wimpered, as I felt the tip of his thick meat moving up, and down my slit, “I’m only fifteeeeeen!”
I grunted, and hissed in pain as I felt the tip forcing it’s way into me, sliting my little pink pussy open. I clenched tight so that only the tip could get in, and then I felt him pull back. The tears stung my eyes as I opened them, and tried to look behind me, my cheek pressed against the desk where he held me firmly. I saw him put his fingers to his mouth, and as he brought his hand back down, I could feel him rubbing his thick saliva into my little hole. Then, despite my attempts to keep him out, his bulbous head slid slowly into my tender young vagina.
“Oooohh goood nooo!” I cried as he slowly pushed his thick, black cock deeper into my tiny hole.
As he worked the head in, and out of me the pressure was almost unbearable.
“Please, Take it out.” I begged between my clenched teeth, “It’s too big.”
“Oh I’m sorry.” Dr.