At least Vailati gave some thought to the man's safety. They partitioned the tank with the volunteer, PV2 Vinnie George, on one side and Subject HA-00... on the other. The only way for her to reach George was by extruding a pseudopod through a small hole in the partition wall. Suspended above that aperture--guillotine-like--was a sharp blade. If they started to lose control of the experiment they would bring the blade down, slicing off HA-001's appendage. Based on previous experiments, any part. She wiggled, trying to relieve the pressure. He worked his finger, gently, as he let her grow accustomed to the penetration. When he felt that ring of muscle relax, the second finger was inserted, and the burning started anew. She was loving every minute of this. Scissoring his fingers, he tickled the walls of her rectum. The sounds of her cries and grunts were getting to him. He had never been this hard. Rubbing his iron hard cock against the smooth wall of the pool, he was able to get some. The next morning I woke up by myself, with morning glory, I climb out of my bed and stumbled into the bathroom. Right infront of me was my sister and now sexual partner pissing. My morning glory turned instantly into a boner again. I strolled straight over and placed my hand straight on her pissing pussy. The idea of my sister pissing had always turned me on. I began vibrating my hand spraying piss everywhere. I asked her if she would piss in my face, she thought about it then decided why not!. When she did this, her arm touched her father and realization hit her. She turned quickly and found her father smiling down at her. “Aria,” he said gently. “Me being here with you and Ryder is completely up to you. If you do not wish to be touched by both mates right now, that is perfectly fine, and I will provide privacy. Eventually, we will both take you. However, for your first time with Ryder, it is your choice.”“will you two do things to each other, or just me?” she asked with.