Sharon was in the back of the car with me.

"Why do they have a room like that?" I asked.

"They have parties."

"SEX PARTIES" I asked loudly in disbelief. 

"Swinging parties, yes."

"Has Paul been to them?" I asked in a whisper. 

"No, only couples get invited." Sharon whispered back.

"Have you been?" I asked, making sure Paul and Bob could not hear.

"Yes, you want to go?"

"I think I do."

"Good, you're going to get an invite."

"Invite?"

"Yes, they told me when we left."

"Did Paul know?"

"No, we don't tell the men. If you want to go bring Paul. If not we don't tell him….ever."

"Yes." I could hardly believe I was saying it.

I got the date of the party a few days later. I accepted it.

Paul picked me up and we picked up pizza on the way home.

We had wine with the pizza.

"Sharon and Bob will not be around this weekend." I told him.

"That is a pity. When did Sharon tell you?"

"This afternoon, they are going to a party at that house. Can we go with them?"

"I think we need to be invited."

"Lucy has invited us."

"You know what happens?"

"Yes." I got up and rubbed my dress where my pussy was. "You get lots of this and I get lots of that." I rubbed his crutch.

He put his hand up my dress and felt me. 

We had reheated pizza later.

Bob and Sharon picked us up to go to the party.

We arrived before others and were shown the procedure. We were shown where to find our bag. It was a simple cloth bag with a simple cord to tie it.

"You can provide your own bag, but use the number 17 tag." Lucy informed us.

Sharon and Bob were stripping and putting their things in another bag.

"It keeps your things together and it's easy to find later, when we leave."

Paul was slower undressing than I was.

"You can have something to eat and drink or go right up and fuck." Lucy told us.

"Can we go up?" I asked.

"I'm not really bi Mo." 

"No, I mean, I don't do that." I retorted.

"Let's fuck." Bob suggested. 

"Yes please." I said to escape the misunderstanding. 

The third bedroom door was open, but I did not look in. We went to the one with mattresses on the floor. 

There were condoms in a bowl. I was feeling hot. I was naked but hot.

"There are rubbers if we want them, but it's time Bob just fucked you." Sharon commented. 

Paul did not object. I took another step, I stumbled on the mattress and I fell softly.

I put a hand out to Bob. Bob did not ask, he slipped his cock into me. God it was good.

"Oh yes." I did not object I enjoyed. 

"You like me fucking you?" Bob spoke loudly but softly. 

"Yes."

Paul did not care, he took me. He laid on top of me and took me.

He crawled off me and headed for Sharon. 

Before I knew it Tim was there. He was in me, he was the third, and I had not moved. I did move alot, but not from that spot.

I was just getting up when a new man came into the room.

"Your not going are you?" He said. 

"Am I?"

"Not if I'm going to fuck you?"

"Are you?"

"On your knees."

I did as I was told. He pushed into me.

"It's OK baby." Tim told me.

There were couples around us doing it, but they were not couples.  Paul was doing it with a woman. 

After my third orgassam we went down stairs. The new couple was Den and Jean. 

It was not long before others arrived. For some reason everyone being naked was natural. 

We ate and drank,  I felt hands brush me. I liked that, I was not sure who it was every time. Sometimes I was kissed.

I went upstairs with a man, and came back with another. Then went up with two. Sometimes I saw Paul having women.

I never used a condom all night. By the time we left my underwear could not soak it up.

"Can we go back?" I asked as we drove away.

"We can if you want." Paul said.

"I knew you would like it." Sharon told me.