Turn around and leave.

You decide that it might be for the best if you don't watch this. You might start shouting or screaming and Megan could hear. And you're not exactly sure how she'd feel about that. It's probably for the better if you give her some privacy.

If you can call it "privacy" to be tied to a chair, blindfolded, with a big vibrator pressed to your clit and being stimulated in front of a crowd, that is...

You turn around and continue your way...