I stood up to pick up the book and then brought it to her at which time with a sudden act of aggression, like an animal catching a prey, she grabbed t...e bulge in my groin with her hand!I was completely caught by surprise and against my sheer sense of morbid fear, found my cock growing to its full strength. Without uttering a word, with expert hands she unbuckled my pants and unzipped to let the pants fall down to my knees. I was standing in front of her in my underwear with my pants down to my. And as I was stroking gently, watching the video, very explicit, with the guy in the video preparing to blow his load inside his girlfriend, I sensed movement, and saw something move over near the door of the living room. As quickly as possible, I pulled up my shorts, and I said, "Who's there?" to which shortly after, my step daughter, much to my shock and horror, stepped into the room. At the time this happened, she had just turned sixteen. She was working part-time. Had a job, making her own. “You two HAVE been very quiet today. Is everything OK?”Chris and Tammy both looked around the group at each face in turn then Chris very slowly and deliberately pulled out his wallet from his hip pocket. He looked again at Tammy who just nodded in affirmation so he continued. Chris then took out his student ID card from his wallet and looked it over very carefully before handing it to Shona.Shona took the ID card and looked at it very carefully herself before emitting a very long and slow.... Willing herself to relax, she opened herself up even more to allow the large protrusion to push its way inwards, stretching her anal opening until it almost hurt then, with an inaudible pop, it was inside her.Waves of delirium began to engulf her as she could feel the tendril in her rectal passage moving, turning, with the creature using it to pull himself even closer to her exposed body.Now she could feel the second probe, gently working around the front of her vagina. This thin, deft tendril.