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Sis is that you, you ok, whats up, I was trying to wake up. Im about to cum, im on birth control she giggled. XXX She asked. She worked her hand down to my cock, Sis mom and dad will hear us I said. She wanted to watch a movie, I said I would get one I found. She quickly stopped and got up about that time the phone rang and she went and answered it. My sister and I are still close, we have kids and talk often but we never say anything about what happened. I stomped off to my bedroom and slammed the door. She was bucking me almost rubbing her crotch on mine, I figured she was just playing and I got tired and got off her