Ever since I was a teenager, I have had the hots for my sister.  She's only about 5 feet tall and on the chunky side, but has practically the biggest tits I've ever seen.  I think she is one of the reasons I became a tit man.  She started getting big tits when she was just 12 years old and they seemed to get bigger every year.  I wanted to tell her how I felt about her for years, but I didn't want to screw up our relationship.  (we have always been close...)  

 After all these years, I got the best Christmas present ever from my sister.  She went through a nasty divorce a couple years ago and has been single since.  Since she has no children, we invited her to come stay with us for the holidays.  So, she came to stay with us for a couple weeks.  One night we had been drinking quite a lot and my wife went to bed.  It was just me and sis and we were both very buzzed.  We started talking about growing up together, parents, the usual stuff.  But, I was horny as hell and she was in a nightshirt with no bra.  I just had a t-shirt and thin running shorts on and I was starting to get hard.  Since I was drunk, I didn't really care, so I didn't try to hide my boner.  When it was really obvious, my sister (Sue) pointed it out and I started to laugh it off.  But, then I decided to try something bold.  I told her it was her fault my dick was so hard.  Then I proceeded to tell her how I had always admired her body and thought she was hot.  At first I thought I had messed up because she didn't say anything.  So, reached over to give her a goodnight kiss.  When I did, she turned her lips to mine and gave me a long passionate kiss for a sister.  I really liked it.  So, I reached to kiss her again, going directly for her lips and we kissed like lovers.  

I was losing control, so I found her hand and guided it to my cock.  She took it and squeezed and pulled, still kissing me.  Next, I started feeling her up and squeezing her massive saggy tits.  Before we knew it, we were undressed and my cock was buried in her wet pussy.  We only fucked for a few minutes before I exploded in her pussy, but she came almost as soon as I shot my load into her.   For the next hour, we cuddled nude on the couch, kissing and playing with each other and telling each other how much we loved the other.  Then we went to bed.

The next morning, neither of us said anything, but I could tell she had really enjoyed herself.  So, the next night we had a repeat love making session.  For the rest of her visit, we fucked at least once a day whenever and wherever we could find privacy.  it was amazing!  I was so sad to say goodbye to her when she left.  I almost went with her.  Instead, I told my wife that I really wanted to make more of an effort to stay in touch with my sister and I have planned several weekend trips to see her.  The first one is a weekend in February.  I will be going alone.  I plan to have a fucking orgy with my sister.  We are both planning it and we have been sending pornographic texts to each other since she left.  I can't wait!!!