Hermaphrodite Sister [futa-female, futa-male, incest, brother/sister]

I've just recently discovered futanari. Very interesting fantasy!

I wrote a story before I knew of the futa terminology so I just used hermaphrodite and intersex.

This story includes a futa with no balls and a regular sized cock, no horsedick here. This is my first attempt at a futa story. Hopefully it is up to futa expectations.

Boy, have I got a story to tell you. My name is Jessie. I am the oldest of three siblings. My parents only intended to have two children but they were given a surprise of twins during my mom's second pregnancy. To top it all off I'm only 14 months older. I guess they wanted to have their kids as fast as possible.

Everyone assumed that my younger sister Jamie and my younger brother Jordan were fraternal twins. They very well may be. On the other hand it is my sister who has blurred the lines of reality for me. I had never expected nor was I ever prepared for what I learned a few months ago. It is time I share our family secret. It is time to get this off my chest and out into the open.

I had just finished up my first year of college and was home for the summer. It was exciting being back with Jamie. We were the best of friends in our youth. Despite our closeness our parents always insisted that she had her privacy. When we went swimming I always wore cute little swimsuits. Jamie was always put in a full one piece bathing suit and my parents insisted that she also wear swim trunks on top. To everyone else this seemed odd but to me it was normal, that was the way I was brought up.

Jamie was beautiful. She had the curves of a goddess. Her breasts were larger than mine, a sore point for me. Her skin looked as soft as freshly fallen white snow. However her personality was much different. She often acted boorish and powerful. She often acted masculine. To me this was normal. This was the way things had always been and I had no reason to question it. I had no idea she was a bit different until we were lying in bed having the conversation of our lives. Nothing like catching up after being at school for a year.

It was Jamie who started this part of the conversation. "Jess, can I tell you something? Something really secret. Something about me that only mom and dad know?"

"You can tell me anything. What are sisters for?"

"Well, I'm afraid you might not understand. Or that you might think I'm gross."

"Jamie, it doesn't matter what it is. I'll always be there for you, even if I don't completely understand."

Jamie then got out of her bed and walked over to mine. "Mind if I get under your blankets with you," she asked.

I smiled at her, "Of course," I said.

Jamie climbed in next to me. "I think it might be easier if I just show you," she said. Then she lifted her hips and pulled her pajama pants off along with her panties.

I gave Jamie and odd look. She took my hand and began guiding it to her crotch. "No, Jamie. I can't do this. I'm not that type of g