My Fat Sister-In-Law

Fbailey story number 731


My Fat Sister-In-Law


My girlfriend Denise had a mother and a sister. Her mother was slim and trim like my girlfriend was but her sister Jane was rather fat. Apparently she had taken after her father.

There was a year between the two girls with Jane being the older. They were really quite an open family. They talked about just about everything.

Denise would tell them about the sex that we had had the night before. Her mother would tell them about her last date. Jane would tell them about how she had worn out her vibrator batteries.

During sex Denise would tell me how frustrated her sister was. She had no sex life. Her weight turned off all of the guys. Jane had a boyfriend once in high school but all he wanted was sex and he didn’t want anyone else to know that he was fucking her. Someone found out that he was fucking a fat chick and he dropped her like a hot potato. It broke her heart. She hadn’t minded being use for sex; she didn’t like it when it stopped.

Then at my weakest point (just before I cum) she asked me to fuck her sister.

What to hell could I say? If I said no, I’m pretty sure I would have gone home with blue balls. So of course I said, yes. Then I pumped a gallon of cum into her. She praised the Load and thanked me for the best sex yet.

As she lay in my arms afterwards, Denise told me what she wanted me to do. First off I was to fuck her sister at least once a week. Second, I was to take Jane out to a restaurant or a movie at least once a month. Third Denise did not want me to tell her about sex with her sister. That was up to her sister to tell her about. In exchange, I could have all of the sex that I wanted with Denise, even anal. She would marry me, have my babies, and let me fool around with other women. All I had to do was keep Jane happy, before and after we were married. That was a deal that I could live with.

For the next two days Denise was more than cooperative. She didn’t like anal sex but she told me that she would get used to it. She told her mother and her sister about our agreement.

I thought that Jane might resent the fact that I had to be bribed into having sex with her. However, she was actually excited about it.

I got Jane alone in her bedroom and told her that I wanted a date with her on Saturday. We would start at noon and I would bring her home when I was good and ready. She liked that. Then I told her that she was not to shave her pussy, that she was not to wear a bra or panties, and she was to wear something sexy. In fact she was to wear her sexiest outfit. I wanted to see a lot of cleavage and most of her legs.

She just giggled and smiled at me, saying that she had the perfect outfit…if I didn’t mind being seen with a fat chick that looked like a slut.

I kissed her like I normally kissed her sister.