The sisters had been quite clear on what she was supposed to do:
Step 1: Find the camera in the back of the library in the stacks
Step 2: Strip off all of her clothing
Step 3: Masturbate to orgasm
Step 4: Get out of the library without getting caught
They were quite clear on the last step, if she got caught doing what she was going to do then they didn’t know her, they hadn’t ever met her, and they had not told her to do this. x video Her pussy was aching to be used and she wished momentarily that she had thought to bring her vibrator, as that would have sped up this process significantly. Her nipples already hard from their exposure to the air conditioned environment of the library hardened further through her play.