I left the room closing the door behind me. As I walked down the hall on my way to the kitchen, I glanced into first, our son's room and then our daug...ter's; both were empty. I wasn't too concerned, they both were into early morning workouts so I assumed they were somewhere in the gym. I made myself a cup of coffee and headed to our office to catch up on some paperwork before going down to open the gym. Today was Sunday, the gym didn't open until ten in order to give the staff time to attend. I got an instant hard on. I had on sweat shorts so it was really had to hide. She went down the ladder and stood at the bottom as I handed down the boxes. After I gave her the last one I felt her hand slide up my shorts leg and cup my balls. I turned to look at her thinking it was an accident and she grabbed my cock through my shorts. She said to me thank you so much for all your help and I want to give you something. Before I could answer she pulled my shorts down and my cock popped out right. It was so delightfully naughty she just had to do it. When she looked in the kennel, Jack was sleeping in his favorite spot. Jake was missing. ”Something is odd.” She thought. Then she saw a flash of light from what her dad called the ’Girls Room.’ It was a medium sized detached apartment. Set in the back of the spacious back yard. Susan and her girl friends often used it for gatherings. Jane had, had a birthday party with her friends there. It was the place she planed to ‘seduce’ Jack.She knew. "I put the other kids to bed and then went into her room. When I started to tuck her in and kiss her goodnight, she said: "I want you to show about sex right now"So what else could I do. She asked me to undress and get into bed with her, so I did. She was naked under the covers. She wanted to kiss me, and she reached down and petted my dick. Naturally it was standing at attention. She said, show me what that thing is and tell me about it.So I threw off the covers and explained to her about the.