At one point it started hurting her but I didn’t care and shut her mouth with a kiss.I was going too fast and she asked me to please be gentle.This ...xcited me even more and I shifted my prey from her breast to her neck and earlobes.I licked them inside out and the girth of her neck was so sexy that I made sure each point was licked by me.I found her earrings sexy and licked them too.She probably thought what an insane guy but who cares man I was having sex with a mature professor.I began moving. I took her upstairs to my bedroom and showed her where the master bath was. She went in and said that she would not be long. I told her to take her time-I'll be waiting and I don't want her to rush her transformation. While I waited for her, I slipped out of my clothes and softly stroked my thick black cock while lounging on the bed.I heard the light switch in the bathroom click off and then the door opened and the transformation was stunning! She was adorned in a sheer deep blue nightgown with. I shake my shoulders, move breasts up and down rythemecally, gyrate waist and open & close legs many times. My son was filming me from top; other cameras were also actively shooting me from different angles. He stands over me by placing his legs on sides of my abdomen. His buttock was facing my mouth. I can see his long dong king kong hanging inside the boxer shorts.(Chapter RETURN TO ROOM)After that by holding my hands, my son brings me to room. Room was scattered with panties and brassieres.. She got up to where she was sitting on my face again and told me to lick all her juices up. While I was licking Cathy, Sally got of the bed. Just the movement of Cathy moving around on my face sent the signal down to my penis to let everything go. I shot off all over the inside of my tights, again. It felt like I had shot off a gallon of sperm I was so wet. I heard Sally come back into the bedroom and say something to Cathy. She moved off my face and around to the end of the bed where I.