His head snapped towards his bathroom, andthen back at me. He nodded, slowly, and his head turned a little, likehe was appraising me somehow, and the... he slowly walked out of my view.I heard his voice, answering the call. I couldn't make out the wordsmuch, but it sounded like another business call.I couldn't move. Literally. I'd never in my life been more shocked,more stunned, more fixed to the spot, completely overwhelmed with mysenses. My brain tried to talk to me, saying I should go. She runs her soft hands across my chest as I throw her on the table in front of me and unzip her jeans, revealing her panties. My erection starts to grow and I am quickly snapped back to reality. The attendance sheet is bumped in front of my chest. I quickly sign it and look for her name. I scan the pages slightly in panic, attempting to not draw attention and then I find it: Lea. The class is a particularly long one for the first of the session. But my mind is fixated on the one thing which. Shes very beautiful by any standard, and we both do our best to stay healthy. We easily convinced him to stay for a few drinks and all moved into the living room. When he sat, Anna sat next to him. She and Boyd were a little closer than might otherwise seem sociable since our dog was hogging half of the couch. Anna rubbed the mutts belly affectionately, so I wasnt inclined to shoo him away, and chose the wicker chair opposite them. Naturally, as soon as I sat down, the stupid dog flopped down. I had never really thought of my innocent younger sister as the type of girl who masturbates when she has free time, obviously this came as a big shock to me when i turned around the door.I continued to watch for a while knowing how wrong what i was doing was. As i watched i started to feel a slight bulge forming in my trousers. I couldnt resist watching her for a while longer until she came. She looked so small and delicate just lay on her bed amidst all the sheets.I had never thought about.