Your very young assistant, she just got the job two days ago so she has no Idea, how all this works. You see that she has problems with her job, so you are going to help her by hypnotizing her, but your true reason behind it comes out shortly after she is fully under your control. (any gender, your Story begins at the hypnosis)

Jessica is your Personal assistant and you are her boss, you think recently she is not following your commands so you hypnotize her to believe that your are the only one she should listen to. (you are a girl)

She is your secretary, who has been hypnotized by your friend. When she hears the word "Obey", her mind goes completely blank and submissive. Yes don't know she is hypnotized. (you can be any age and gender)