"Jim... Jimmy, wake up."
It was still dark when I woke up. Someone was saying my name, poking at my chest. For a second, I thought it was my ex-girlfriend Sara. Then I blinked the sleep from my eyes. It was Lauren my sister. She was standing beside the bed, wearing her clothes from the night before. I suddenly became aware of the fact that I was not wearing clothes, and didn't not have a sheet to cover myself with.
"Jesus, sis," I murmured, still half-asleep. I rolled over onto my front and began groping in the dark for a bed sheet. "I'm not wearing any-"
Lauren laughed. "I know, Jim. It's okay. I've already seen it, remember?"
And then I did remember. Everything that had happened the night before. I was shocked a bit, grappling with the fact it had actually occurred. Lauren and I had been in bed together naked. She had confessed her sexual fascination with our cousin Ali. Then she'd... well, we both... we got off right beside each other. On top of each other, almost.
"Right yeah, of course you have," I said, absently tossing a recovered bed sheet over my crotch nevertheless. "Umm, why are you up so early?"
"Well..." Lauren bit her lip, thinking about how to word what she had to say. "After last night, we could both stand to clean up a bit, and this RV didn't come with a shower. There is shower in the campsite though. It's at the public restroom area, a short walk from here. I figure we should both grab showers before the rest of the family wakes up. Want to come?"
She made a good case. "Yeah, I'll come. Just let me get an outfit together."
"Here." Lauren handed me my clothes from the night before. "Just wear these. No reason to get a perfectly good outfit dirty. I packed two towels and changes of clothes in my bag already."
I nodded in appreciation. "Wow, you're on it this morning. Thanks."
"No problem. Go ahead and get dressed. I can step outside if you want."
I got dressed and we left. Lauren and I made idle chat as walked to the restroom area. I kept looking for signs of anxiety or concern in her behavior, something to indicate things were weird after last night. Lauren didn't directly discuss what had happened the night before, but as far as I could tell she seemed fine. Things were normal.
Well, normal externally. I was looking at Lauren differently now. I couldn't look at her without thinking about how I had seen her naked. Thinking how she had been pressed so tightly to me. Thinking about those sounds she made. I'm glad it was still dark out because my pants were definitely tented.
We reached the restroom area after one minute. It was a small building, a shack really, with only three doors. One was marked the men's bathroom and another was the woman's. The third was the shower. We checked it and sure enough it had one room with an entry area to put your stuff and a single shower stall.
"You should go first," I said. "I take quick showers so I won't mind if the water is a little cold. I'll wait outside."
Lauren rolled her eyes. "Jimmy, that's dumb." She pulled back the shower curtain to expose the full stall. It was slightly bigger than your average stall, but not by a whole lot. "We can both fit in there and just get done before the others wake up. I've already seen you naked Jim. What are you worried about?"
Reluctantly, I acquiesced.
Lauren smiled slightly. "Good, so go ahead and get undressed."
She locked the shower room door.
I sat down on a bench in the entry room to take off my shoes and socks. Lauren had worn sandals, so she just kicked them off. With a single motion, my sister pulled off her shirt. I hadn't noticed out in the dark, but she still wasn't wearing a bra. Her breasts... I'd felt them in the dark, even seen them in dark, but here in a well lit room it was a different experience. Lauren's breast were beautiful, both of them a tad more than a handful. They were pert and a slightly paler shade than the portions of her body that often went exposed.
I snapped from my reverie before she took notice of my voyeurism and stood to take my own shirt off. I bent down to remove my pants when she did the same. Lauren unbuttoned and unzipped the jean shorts she was wearing. As she slid them down, I realized that she wasn't wearing any underwear.
"I didn't feel the need to put my panties on after last night," she said, indicating she had noticed my glances. "I took them off before I fell asleep and this morning couldn't find them in the dark. There didn't seem to be any sense in getting a new pair dirty before I had a shower."
"Ah," I said, embarrassed having been caught looking at her. "That- I suppose that makes sense."
Lauren looked at me and chuckled slightly. "You're embarrassed Jimmy, aren't you?"
"What? No. Why would I be?"
"Good." Lauren walked toward me until she was up only a foot away. There was an impish smile on her face. "I would hate to think I'm making you uncomfortable." And she hugged me.
This was the second time in a seven hour period I'd had my sister's nude body pressed against mine. Her head pressed into my shoulder and her boobs into my chest. I was still wearing my boxers, but her stomach was pressing on my dick. It was starting to react.