Derek stood infront of the bed. I pulled down the boxers he was wearing and pushed him down on the bed. "I'm going to give you the best blow job you'v... ever had." I informed him. "I'm not going to argue with that." He said, I could hear the want in his voice.First, I wanted to tease him. I took my long nails and ran them through his unshaved pubic hair. I tickled his member slightly, just enough to drive him insane."Uhhh. Lexsss," He moaned. "You can't be teasing me. That's not nice!" I didn't. The next time I sat punishment, the dildo was only slightly longer, but much wider, almost a ball inside my rectum with only a short taper to the point that had made my impailment unavoidable. A perfect sphere would have made it difficult for me to stretch my opening around the two inch diameter. The neck around which my sphincter closed was still an inch and a half wide, giving me very little relaxation. Eventually I can get used to being held open that much, but it takes a while. For a good. My wife started to moan loud as the black Doctor pushed more and more of it into her sweet tight pussy. He asked her if she was ready to take his cum and she cried a yes.I also told him to go ahead and do what she asked, fill her cunt full. He was pushing it hard in her now and saying he was going to inject his potent black sperm in that sweet tight cunt. Anita started to cry again and I could see she was getting another wild shattering orgasm as the Doctor filled her…He finally pulled his long. " sleep well baby" I said. Both of my little girls sleep tucked away in their beds. Somehow I'm not regretting anything that happened. Is it sick of me? I walk past Becky's door and hear noises. I nearly stopped breathing when I heard her moaning my name. Slowly peering though the door I see her laying on her back, spread legs, flushed face, and the waste down of a barbie doll sticking out of her little pink cunt. Something stirring inside me once again. I walked in and said " want some help.