Lisa goes for Erica’s pants, and triggers the device in her panties

(Chapter originally by shyexposure on writing.com)

As they drove on, Lisa was starting to become bored from nothing happening. Not even reaching over, making Erica flinch, only to turn on her favorite music station could cure her of boredom. In fact, it grew to the point that her trademark smile graced her lips and she glanced over to Erica in the passenger seat.

Sure Erica was sitting in the passenger seat, blushing and fidgeting, and Lisa liked making her do so. Though, if she was honest with herself, she liked humiliating her for a personal reason, she was jealous. Erica had a sort of natural beauty about her that others were naturally drawn to, and so she took every chance she could get to make her humiliated.

Thinking how best to spice up the drive, Lisa eyed Erica's pants, and her smile grew as she thought. Little did she know of the "device" Erica's mother had included in her daughter's underwear. Without the knowledge of it, Lisa reached for Erica's pants, ignoring her pleas to the contrary. Yet with the way she was driving, it was a clumsy business and her fingers tugged at Erica's panties.

Instantly the device activated, and instead of giving any warning, a powerful electric shock traveled up Lisa's arm and blew apart her own shirt, much to her shock. Carefully, she retracted her arm and looked up at Erica, who was herself staring at Lisa in utter bafflement and surprise. Shaking her head, Lisa reached for her pants again, and again the electrical shock traveled along her, and this time, blew off her bra in tatters.

Now topless, in a worse shape than her object of torment, Lisa blushed furiously and stopped trying to strip her. Instead, she focused on driving, trying to think what happened.

Then...