I went to the bed and he positioned himself between my legs. He lifted my legs and put then on his thighs. I could now see his dick enter me but not c...mpletely. His had his hands on my tits for a while and was feeling my tummy, dick and boobs from time to time. He was moving his hips in the mean time. After a few minutes his body started to stiffen up. He pulled out and quickly came near my face and was moving his penis vigorously. Suddenly a lot of warm white stuff came out and sprayed all. However, it gave us a window into a world we'd been told not to ask about.That day was probably the day I started to fall in love with my sister. We lived a short ways out of town, and rode the bus every day back and forth from school. We climbed on like normal, and when we sat down in our usual seat, she immediately began speaking to me. "We had this awful thing today." My response was to grunt, as was my usual way of telling someone to continue talking. "The teachers grabbed all of the girls. I'd be a worthless husband if I thought only about my needs, but I needed to restore some balance. That's exactly what I told myself.Well, she didn't think too much of the idea. In fact, she froze me out for a couple of days. I might be a little slow, but I ain't a moron. I kept that particular idea buried deeper than a cousin with too many lines on the family tree. A couple of months down the line, though, after a particularly lengthy session, I was tired and sleepy and out of sorts. On top of. I stroked his erection through his slacks. It was still hard as a rock. My fingers traveled over to his garter belt and playfully tugged on the front left one. "Looks like all this is making you pretty horny pantyboy! Do you like being dressed in your girly panties and stockings," I asked whispering in his ear. The next things I knew he had grabbed my arm and he was leading me back to the room. I looked down and saw why, there was a quarter size wet area in the front of his pants that was ....