The front of Dan’s speedo was a cummy mess by the time his breathing subsided. He was packing a big load.Now it was my turn. We traded places, now I...was sitting on the couch, legs spread with Dan between them looking at my cock stretching the front of my speedos. After getting him off I was full hard and ready to go. My red AussieBum speedos are more of a nylon material so not as slippery as lycra and no as suitable for rubbing. I freed my cock by pulling it out the leg of my speedos.Dan’s left. I said you are curious about another men fucking you? She said she didn?t know why but the thought of it made her wet and horny as hell. I said can I tell you something without you getting pissed. She said yes and I told her that I have had a fantasy for a long time about watching her fuck with another man. She said would it bother you watching me, and I told her no, that I thought it would be exciting as hell. I got brave and asked her if she wanted to try it. She got so turned on and excited. We'd always gotten along well -my sister and I- she has a very relaxed and 'real' personality. She resembles a young Minnie Driver; her cute, freckled face is very expressive and when she smiles I can't not smile myself. As for what she was doing at the time though, well let's just say that the question of right and wrong, when posed in the middle of the best blowjob of your life is... completely irrelevant.I had my hand in her hair, it took a moment for us both to realize it, but as soon as I. I was now dancing in front of the mirror pulling her panties up the crack of my pussy doing what she had only minutes before when I said to her ” I wondered why my panties felt a little stiff in the crouch now I know why, I thought it was because you used too much starch in the washing “. I was extremely turned on by now and decided to push ahead with situation in hand (no pun intended).I walked up behind her and turned her to face the mirror. My underwear fitted her pretty good except her “c”.