You watch, fascinated while she applies the vibrator to her clitoris.
It's an incredible turn on to see her getting so into it, and very soon you feel like masturbating.
She seems to notice the way you are looking at her:
"Could you masturcize for me? Please!" she says breathily.
You think she's doing this just because she wants to give you a hair trigger, as she teased you about before, when she first started masturcizing you. You remember that she threatened to give you a hair trigger so that the boss might make you cum by just a little kiss.
But you are getting so turned on by her masturbation that you give in. Besides, you promised Erica to obey Kara...