As I started I was able to get my dick fairly close to my mouth, and just close enough to have the tip of my tongue touch the tip of my dick. This tur...ned me on so much I felt I even grew a little more, and proceeded to jack off directly into my mouth, once again swallowing that salty elixir of man cum. And although mine tasted different I still very much enjoyed it.This continued for a couple months and the more I did it the closer and closer my dick got to my mouth until I could easily slip. Helen reached back and put her hands on her brother’s outer thighs. This exposed her tits and pushed them upwards.Now there was no confusion. This wasn’t the same.Andrew thrust his hips up again and put his hands on his sister’s hips. Now he was pushing his cock against Helen’s pussy and no one was pretending anything else was happening.Helen leaned forward and started kissing her brother. The same tongue that had licked his cheek a few minutes earlier was now probing the inside of his mouth.. I mean, I figured that was what she was hinting at, but to have her admit it was… well, stunning!M: And it was consensual, right? I mean, he didn’t force you or anything.G: Oh, no, I wanted it. I started it, in fact.M: When was this?G: Last summer. M: Wow. Was it good?G: Yea, it was. We only did it a couple times, though.M: And nothing since then?G: No.At this point I was getting very aroused! I’ve always had a thing for incest, and had fantasized about my two older sisters (Gwen’s too, come to. I mentally kicked myself for showing her how to run the ship by herself. My strange mutation had meant that I was no longer recognised by the ships computer, which also meant I couldn't adjust the ships course back to Tragado to get medical help. Just by looking at the view screens as I entered the control room I could see that our course had been changed. We were now heading towards a nearer system. "Where are we going now?" I yelped. "We need new supplies. When you loaded supplies you had.