Porter tied the panties snugly around my hands--not enough to hurt, but snug enough that my hands wouldn't accidentally come free.
Porter's eyes fell on my tits. "Looks like you're enjoying this."
I blushed. My nipples were hard as ice. "I-it's just the c-cold water." At least, that's what I told myself. I was freezing, and with my skin still dripping with water, the cold air of the night was like sharp knives scraping down my skin.
"Of course," Porter said. He reached over and pinched my right nipple. I squealed, pulling away from him, but not stepping away. He stepped up to me, pressing his body against my back. His hands wrapped around me and grabbed my small tits with both of his hands. I moaned in pleasure. His hands were warm, and I found that I didn't want him to stop. I groaned in disappointment as he pulled away.
"D-does my time start now?" I asked. Crap. What did I just say? Was I really going to go through with this? A whole day of being subject to Porter's whim? He would never hurt me, but it wouldn't stop him from having some fun, either.
He grinned. "Not quite," he said, starting to guide me up the slight hill of the pond. In his other hand he held the cardboard box. "You lasted seven minutes, but our deal was for ten. I think you need to make up for those three minutes."
I gawked at him. Our deal? This whole thing had been my idea! If those kids hadn't shown up nothing would have happened!
"What do you mean?" was all I could say.
"Forfeits. I get to pick three things to do to you, one for each minute. I'll even let you suggest what they should be, but it's my decision. Only after those three forfeits do we start your time."
My heart sank. How had this gotten so far out of hand?
We approached the kids' playground in the park. He guided me to the monkey bars. "I'm going to tie your arms to the bars and then I'll tickle you for five minutes."
I groaned. "That's not fair! You know I'm ticklish!"
"Of course, I do," he said with a big grin. He was enjoying this. Having his childhood crush naked, exposed, and completely at his mercy. "Now beg for it."
I whimpered, and yet, at the same time, I felt a flutter of excitement. The whole appeal of exhibition, the whole reason I wanted to skinny dip in such a public place, was because of the thrill of being completely vulnerable. As terrifying as being almost caught was, it was still exciting. Porter was just extending my experience.
"Please..."
"Please what?"
"Tickle me. Tickle me mercilessly for five minutes."
He grinned, obviously pleased at the little addition. I wasn't even sure why I said it. It just slipped out of my mouth.
He tied my wrists to the bars using my panties and my shirt. He tried to bunch the shirt up so the height from my wrists to the bars was roughly equal, but there was definitely a slight difference, forcing me to stand on my toes. The feeling of an entire leg on display while another was planted on the ground was intoxicating, and I knew the position I was in stretched my privates slightly. With my pubic hair still wet, there was nothing to impair his view.
"Wait...somebody will hear me laughing." Technically, what he was doing wasn't anything different than skinny dipping, aside from the absence of water. Despite that, it still felt completely different, like a whole different level of exposure