My little sister Denise (29) and I bumped into each other at a party at my coworkers lake house.
A friend I met at work and have known for years owns a big house on the water and throws these massive parties. The drinks flow, the music bumps, everyone has a wild time.
My pal invites me for one of his epic summer gatherings. At the same time, my little sister Denise is getting invited to the same party by a gal pal she works with. Turns out her girlfriend and my pal are cousins.
My family is close, as you know. But we don’t live together and we don’t always discuss plans. I had no idea she was going.
It’s the night of the party, and there’s about fifty people spread throughout the house, the pool and patio, and out on the beach.
I showed up late. My buddy greeted me at the door with a few beers already down the hatch. He offers to introduce me to everyone and we start making our way through the crowd.
After greeting everyone inside we went out onto the back deck. As he’s introducing me to the group around the pool I see a small gang of five or six girls in bathing suits making their way up from the beach.
“Oh man, you gotta meet these girls.”
He pulls me over to the steps as the girls are coming up. This is when I spot Denise in the group. Denise had on a black high waist bikini bottom and a red bikini top that struggled to contain her big breasts.
Denise looked up when my friend yelled “hey, meet my friend!”
She and I locked eyes with a “what are you doing here” expression. We chuckled as were introduced and played along.
I’m past the ‘Wooo’ stage of party life. I found an outdoor loveseat and posted up for the evening. I nursed a couple beers and enjoyed conversations with people.
Eventually Denise joined me on the little couch. She had on a sheer beach coverup over her bikini. We sat together discussing all the normal things when I asked her why she was still in her bathing suit.
“The girls are talking about going back to the beach.”
“You’re going with them,” I asked.
“So are you,” she answered.
“Good gravy that sounds awful.”
She laughed and we talked for a few more minutes until the original gang of ladies and the fellas they picked up all passed by on their way to the beach.
We joined the pack and walked the short sandy trail out to the beach.
The sun had set and a glow from the house lights is all that illuminated the beach. Our traveling party started shedding clothes as they ran to the water.
Many dropped everything. Some ladies kept their bottoms. It was a fleshy festival in the lake.
Denise’s coworker pulled her top off in front of us and yelled “come on you two, take it off and get in!”
Now Denise found out the following week at work that neither she nor I told anyone at the party we were brother and sister. When her coworker invited us to strip and join she assumed we were strangers hitting it off.
Her friend ran off to the water and Denise looked at me.
“Are you even wearing underwear,” she asked.
“I am, small though they may be.”
I was lucky to be wearing a Joe Snyder trunk. The fabric works as swimwear.
She dropped her cover as I slid off my boat shoes and my shorts. I’ll lifted off my shirt and was immediately greeted by my sisters tits. To my surprise and delight she took her top off.
The faint light from the house gave me what I needed to see those plumb torpedos hanging off her chest. Her pale areoles were about the diameter of a soda can.
I looked up to catch her smiling at me. She knew I was staring. My cock was filling up the pouch of my trunks when she grabbed my hand and said ‘let’s go.’
She stayed right by my side holding onto my arm. There was a quite a bit of tomfoolery happening in the water and I think she felt comfortable hanging close.
We chatted with some other couples while floating around the shallow water. I found it hard to focus on the conversations, though. I couldn’t take my eyes off Denise.
I would often catch her glance at me and smile knowing she was being admired.
The evening temperature dropped and everyone left the water. I had to do a quick adjustment. I had a thick erection that wouldn’t quit as Denise’s hard nipples pointed back at me.
We walked toward our small pile of clothes on the beach.
“Thanks for sticking with me,” she said.
“My pleasure,” I replied.
“Seems that way,” she said as she gently patted my cock. I was hoping the darkness was hiding it but I was wrong.
“What are you going to do about that,” she inquired.
“Probably beat off when I get home,” I said.
“Hang on,” she said grabbing my arm. We had reached our clothes and stood there as everyone gathered there stuff and headed back up the path to the house.
With everyone gone, she dropped to her knees in front of me and pulled my trunks down mid thigh. She stuffed my cock in her beautiful mouth and began to suck me off.
This was the most beautiful sight. I was watching her bob forward and back with those big tits bouncing and her gorgeous eyes staring up at me. I’m convinced there is very little better than that.
“Don’t cum in my mouth,” she said between gulps.
“I’ll let you know.”
With the sound of the party on the deck nearby, she continued to work me with her mouth and hands.
I tapped her shoulder when I was about to go. She hopped up and stood behind me. With her big tits pressed into my back she reached around and jerked me until I blew my load all over the sand.
I turned around and pulled her in for a big hug. I lifted her up and she wrapped her legs around my waist. We held each other for a minute.
“Thank you,” I said, “you are incredible.”
“You’re so welcome! I figured you’d be more comfortable if we took care of it.”
I set her down and we got dressed. We made our way to the deck and sat back on our loveseat. She threw her legs over mine and we chatted for another thirty minutes before it was time to go.
I walked her to her car. With a hug and a kiss on the cheek we parted ways.
“Thanks again,” I said as I closed her door.
“I’ll catch you soon,” she said with a wink.
Hell of a party!