An Inventor at Erotifest (third party chapter)

Sarah and Dianna set to work putting up their tent, the cool night air doing little to dampen their excitement. They laughed and joked as they unfolded the tent fabric and inserted the poles, their movements synchronized from years of friendship and shared adventures. As they secured the final stake, Sarah looked up and noticed a man setting up a sophisticated-looking camp nearby.

The man was around 51, with graying hair and a friendly, curious expression. He wore a vest filled with various pockets, each containing an assortment of tools and gadgets. He caught Sarah's eye and smiled warmly.

"Evening, ladies," he said, extending a hand. "I'm Walter. First time at Erotifest?"

Sarah shook his hand, introducing herself and Dianna. "Yeah, it's our first time. This place is insane."

Walter chuckled. "It certainly is. I come every year to showcase my latest invention. Maybe you'd like to see it?"

Dianna raised an eyebrow, intrigued. "Sure, we're always up for something new and exciting."

Walter beckoned them over to his camp, which was set up with several tables and chairs, as well as a small generator powering various devices.

He picked up...