I lubed my ass, put the big dildo on the bench and started to insert the thing. As I said I had never been able to really feel comfortable with that t...ing in my ass. I started bouncing on it slowly with my feet on the ground and my hands on the back rest of the bench. My cock had gone semi hard. As I progressed I eventually started to bottom out on that big thing. I could not believe how comfortable I felt. I put my legs up on the bench and started riding that thing for real. My cock was. Fear had also crept into them wondering what would happen to them judging from our first encounter. I explained that they were going to get new names. The twin that had been bitted on the ass was to be called Sun Li and the other was Sun Mei. These names were only for transportation documents. I asked them to repeat their names and both immediately responded feeling the fresh marks on their asses.The trip into the city was uneventful, as far as discipline or beatings went, for Sun Li and Sun. He heaved a sigh. Iris was the open-minded type, and he was probably worrying over nothing. But he still couldn't banish that nagging bit of doubt in the back of his mind."You made great time, Alan. I wasn't expecting you for at least another hour," Dave heard his Aunt Michelle say. She must have followed her daughters out while he had been lost in his fearful thoughts, and she was already hugging and kissing her younger brother in greeting."I shaved off some time by going just over the speed. . her nude silhouette ... against the darkening sky."What... ?" My penis sprang to attention, not having really subsided all day as she straddled my legs and caressed my chest and sides."I've been wanting you all day. You can scratch my itch, and I'll bet you sleep well, Ted. Serendipity will look after herself long enough for me to do this..." Her hand found my penis, she shuffled forward on her knees, and she guided me into her as she lowered herself on me. I didn't have much chance to object.