Call her out

You ask her if she’s begun to feel the effects.Her face pales as she freezes in place, having been slowly adjusting her position while she spoke.

“N-no. No I feel f-fine, I’m great.” She shakily stammered out. Clearly the crabs were enjoying the new “enclosure” and seemed to be eating quite well. She bit her lip to suppress a gasp as she felt the itch all across her unshaven mound. She could feel them making their way through her pubic hair, biting all the while and causing little itches to pop up over her now irritated mound. She glances at you while you pretend to focus on note taking. In reality, you’re watching her closely for further symptoms.

It’s not long before Jennifer starts pulling at the waistband of her pants and “adjusting the fit” of the crotch. She tries to keep her movements as natural as possible, nodding and making noises of agreement while you speak.

That is, until, she feels a sharp itch flare up on her sensitive lips. She gasps and involuntarily grinds into the seat a bit. You ask her if she’s sure she hasn’t got an itch?

She glares at you before fanning her legs in and out gently, crossing and uncrossing them. Finally she can’t take it anymore, and her hand darts down to the panties for a quick scratch.

You…