[JEMMA]

After two hours, she managed to do that. The dildo was so wet with her juices that it slid easier in every time. Her teacher came in a half an hour after she managed to do the unthinkable and began to squirt for a full three minutes.

He uncuffed her ankles and let her raise herself off the stool. How she managed not to fall on the floor from quirky knees was a mystery even to her.

"Your grade has improved at least a 50%."

Karen groaned and timidly asked what she could do to make it raise higher. By this point, dignity had flown out the window and she was wondering what on earth would he want now.

"Well... if you suck my cock... I'll raise it another 25% or if you let me fuck you, I'll let you have a 100%."

Karen saw the monstrous cock in front of her and she nodded to the last option. She didn't like to suck cock all that much.

In the end she didn't make it to her last class of the day, but figured it'd be okay if she feigned sickness.