This story is from a good few years ago

My GF comes from a town a couple hundred miles away from where we live so it was pretty common for her younger sister (19F) to come and visit for a long weekend.

My GF and her sister where very honest with each other so my GF never hid the fact that we were swingers and the one night she was asking us about things we had done and we thought some of the such as going to swingers parties, swingers clubs, having fun with other people both alone and together and having sex online for people to watch via live Web cam

The live Web cam seem to really interest my GFs sister as she asked alot about it and we told the website we used and also that you coukd make money though it from tips people would send you not long after this we changed to more normal topics and the night went on

Around 9pm the GFs said she's gonna have early night as was tired from travel neither of us though anything of it am just said night to her a little while I went to the toilet which was near out spare room where the GFs sister was staying as I pasted the room I could here a buzzing noise n soft moans I new right away what was happening

I came back in the living and turned on my laptop put some earphones in and went to the Web cam site after a little bit of searching I found who I was looking for there was my GFs sister total naked on my spare bed using a 9in rabbit on her pussy on clit while playing with her tits n what seems to be her knickers in her mouth to keep herself quite I watched for a good few mins than sent her a tip n asked her what she'd for more tips she didn't know it was me as neved told her coukd username.

Over the next 40 mins I got my GFs to fuck her ass suck her toy clean rid it hard and get into lots of possessions so got some great views I asked her if she wanted to see me wank to her which did so I turned on my cam just aimed at my cock n wanked n came a few times as I watched n she told me how hot it was that I came so much n hard again so quick n never knew it was me

The next day the GFs sister told us she'd check out that site we told her and was hot to watch people on there but never said she'd been putting on a show there her self after the time out ours is find her on there a few more times and I always got a good show off her