We just traded pieces back and forth. She moaned into my mouth. This was wonderful sensual play for her. She was way ahead of me and about to cum. I d...d not look but knew her sisters were pleasuring themselves, matching our timing, wanting to share the exact moment when their sister came. The red warm sweet juice was flowing down our chins and down our necks, staining our clothing. Her movements were becoming more urgent and erratic. Her arms tightened around my neck and she kissed harder,. ‘Can you bring your left knee a bit higher please?’ She moved as I asked. ‘Now the right hand over your shoulder, can you splay your fingers a little more?’ She adjusted her fingers, the sun bronzed skin glowing in contrast to the milky white of her shoulder. ‘That’s a bit too much Lyn, can you close them a fraction for me.’ Her fingers squeezed together slightly, like the hand of a lover caressing her. ‘Good that’s it.’ I shot off a burst, four photos with slightly different settings. ‘Ok,. That’s something Johnny and I would have to discuss before I even tell him your names. We might also have to consider giving you ‘new’ identities before we introduce you to anyone. That way all of the research would be done under your NEW identities and after it was finished, you could reassume your true identities.”Mary asked, “So you HAVE given this some thought I see. Just how soon would we realistically have to do this?”“Would the four of you even CONSIDER doing this if the conditions could. She had an obviously huge orgasm ( not so quiet on this occasion), and waded to the river bank and proceeded to lie down on the bank and rub her pussy and feel her tits in obvious rapture. I didn’t know what to think or do at first, because of the two guys watching, who by now had moved forward into the bushes to get a closer view .I was partly nervous, partly excited that they might make a move on my wife, and didn’t really know what I would do if they had! Would I look on in enjoyment or.