My buddy was coming to visit me for a three day weekend, and the plan was for him to stay at my apartment. My girlfriend, who I'd been officially with for about a month, basically lived with me. So it was the three of us for the long weekend.

We went out on Friday, and I got bombed. We all did, but me in particular. When we got back to the apartment, I pretty much passed out right away.

I got up an hour or so later to use the bathroom or something, and when I looked in the living room, I see my buddy fucking my girlfriend. They were on the floor, with him on top, positioned so that they couldn't see me. He was absolutely drilling her. Bareback (she is on the pill). While I definitely had mixed feelings about this development, there was no denying that my cock was as hard as a rock. I was so turned on I was shaking. It took me less than 30 seconds to shoot a gigantic load. And another a few minutes later.

I waited until he came (inside her), then went back to bed. My girlfriend crept in a few minutes later.

The next morning, I made up some bullshit about having to go into work for a couple of hours. I wanted to see if he'd fuck her again, so I set up a digital voice recorder under the couch. Sure enough, he fucked her again. I went straight to the bathroom to jack off.

That night, we went out to the bars again. I made a big show of getting hammered, although I was actually taking it easy. Kind of. In any case, when we got back to the apartment, I went right to my room and pretended to pass out. I waited a little while, then snuck out to the living room. She was on her knees, sucking his cock. and apparently doing a good job, because after about 2 minutes, he was making noise like he was going to come. He stopped her, got her on the floor, and started drilling her again. She came almost immediately (and so did I), and then again a few minutes later (me too). Soon he finished, again bareback, and again inside her. I snuck back to the bedroom and faked sleep while I waited for my girlfriend to come back in.

But they had other plans. I heard the front door close. I raced around, looking out windows to try to figure out where they were going. I spotted them at the apartments pool/jacuzzi. Both stripped and got in the jacuzzi. It was now after 1 in the morning, so no one was around. I had a great view from the balcony, and jacked off while I watched him fuck her.

The next day was an almost exact replica. I left for "work" for a couple hours. He fucked her. We went out that night, came back, I pretended to crash, he fucked her two more times. The next morning, the day he was leaving, I ducked out for a while, he fucked her AGAIN.

In all, he fucked her 8 times, at least. I watched 5 of them. While it gives me kind of sick feeling inside, it is such a turn on that I want to make it happen again. My hands are shaking as I type this.