Stepdad teases my nipples and pounds me while stepmom watches

The room was filled with the sound of skin slapping skin, the sound of Tracy’s moans and my grunts. Tube8 “Tracy we can’t do this.” I said with a groan as I weakly tried to push her hand away,”We can’t we just can’t.”
“Sure we can Uncle Brad.” She whispered. When uncle Brad told me he was going to be gone today, that’s when I set this up. I grabbed my cock, slimy with her pussy juices, and put it against her mouth. Tracy knelt in front of one of her group and said,”Ok. You will be getting both tonight.” I replied. When Tracy asked her, Summer said she enjoyed it and would like to do it again. “Sure uncle Brad.” She said, following me into the den. After seeing Tracy I found I was very upset and decided I couldn’t wait to talk to her. By the time I was through scanning the video files it was 6:30. I had an over powering urge to reach out and take her arm, lead her to my chair, pull her onto my lap and bury my hard cock in her tight teen pussy. In fact the skirt barely covered her firm little ass. I figured I should call Tracy. She moaned, then let out a strangled cry as her pussy clamped down on my fingers. Slowly and very gently, so I wouldn’t wake her, I worked my way between her legs.