Please read The Visit (chapter 1) to better understand the story, although you can read each chapter independently.
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My wife and sister are standing in the middle of my sister's living room. There is an incest porn pay per view movie play on the television. I have just finished jacking off at the request of my sister, with my wife watching. My sister had just finished getting herself off and my wife had cleaned the pussy juice off my sister's fingers.
"Relax sweetie." My wife said.
My wife and sister sit on chairs in the living room. I have perfect shot of my sister's pussy; she spread her leg on purpose.
"Let me explain what is happening" said my sister.
It seems my wife had called my sister and wanted to give me a fantasy. The fantasy was actually just beginning. The rules, if you can call them rules are simple. While we are visiting my sister I am remain nude while in the house. My wife and sister will dress in ways that please me. Primarily that means blouses, skirts, sexy bra and panties, nylons and high heels. Since my sister has an office job she will pretty much always be dressed they way I like.
At any point that I feel like sex with either of them or that I want them to have sex we go for it. If I feel like taking my wife's panties off and fuck in the kitchen then she leaves her panties off until the next day. If I take my sister's top and bra off and play with her tits then she leaves the bra and top off until the next day. If I want my wife and sister to 69 then the take off enough clothes to 69 then leave those clothes off until the next day.
What more of fantasy could a guy ask? I decide to test the water a little bit.
"Ok sis, remove the wife's blouse and top, sexily caress, fondle and play with her tits?" I request
My sister moves to my wife and very slowly unbuttons her blouse. You can easily see my wife's tits through the camisole top. My sister lifts my wife's tits and feels there weight. My sister tweaks my wife's nipples through the see-through material. I can see my wife starting to get aroused.
I tell me wife to watch the movie on television. My wife directs her attention to the movie. My sister pulls the camisole top up and exposes my wife's tits. My sister leans in and takes a tit in her mouth. She starts sucking on the tit and my wife arches her back, pushing her tit into my sister. My wife's ass is starting to move in response to the attention to her tits.
With the position my sister is in, her ass is at the perfect angle. I know the opportunity is now or never. I walk over to my sister and pull her skirt up. The ass that I have dreamt about for years as a young boy and young man is there. The body that I masturbated too is right in front of me. My sister's ass is moving ever so slightly as she is really pleasuring my wife's tits. My cock is still hard even though I just got done cumming not a few minutes ago.
I stoke my cock wondering what to fuck first, my sister's pussy or her ass. I reach down and run my fingers along the length of my sister's pussy. It is so warm, wet and soft. I can feel the softness of her pubic hair. My finger finds her clit and I very gently massage her sex. My sister's moans join the ones coming from my wife.