My parents ran a small motel and my sister and I were expected to work in it. We were paid once we turned eighteen so don't think we were slave labour. Before we turned eighteen we only got a pittance but eighteen was the magic age.
I was blonde with blue eyes and an excellent figure. Susan was like a slightly washed out version of me, hair darker, eyes hazel, and while she had a good figure mine was better, courtesy of an excellent bust.
One Friday a couple of men arrived for a weekend booking. They were going to spend the weekend fishing. Ian was the younger of the two and was as handsome as all get out. I certainly wouldn't kick him out of my bed if I found him there. (Not that I slept around. My sexual experience was rather small.)
Brian was the older of the two and to put it mildly he was a hulk. Big and ugly and if I found him in my bed I'd run away screaming. He did have a nice voice though, a deep rumbling bass.
The pair of them were friendly and flirty, never going over the line. An ideal couple of guests. They even kept their room tidy. All I had to do was vacuum and dust and that was it.
All was well until Saturday evening. I'd just left the office and I saw Susan going into their room with Ian. Perhaps it was my imagination but it seemed to me that Ian seemed to be hustling Susan into the room rather than her going willingly so I thought that maybe I should intervene.
I hurried over to the room and stepped inside, not even bothering to knock. I was barely in time as Ian had Susan bent forward over the bed, her dress up and her panties down. His own trousers were down and his erection was hovering next to Susan's pussy.
"What do you think you're doing," I demanded.
"I already said that," Susan pointed out and then squealed as Ian ignored both of us, calmly moving closer to Susan and pushing into her. I was treated to the unedifying sight of my little sister being shafted by an enormous erection.
"You stop that!" Both Susan and I spoke in unison.
Ian just looked at me and winked. I was vastly irritated with the man and perhaps a little jealous of the attention Susan was getting. Silly of me, I know, but if he was going to rape one of us why not me? I was stupid enough to voice that thought.
"I'd love to," he replied, "but you've been reserved."
"What?" I was confused.