I instantly got up and went to my room and jerked off my dick and slept for a while.In the evening she told me to take her out for shopping and some m...vie for which I readily agreed and we both set off she was doing her shopping some ladies stuff and all and called me near to her and asked aren’t you taking anything I just told no and she then told to buy some inners as your inners have got lots of stains I was stuck by what she told me and took some undies and we went for a movie and came. She knew it as well and I slid my hand between her legs. I touched her pussy for the first time and rubbed her pussy with my fingers. Her breathing increased and she clearly wanted more. I softly slapped her pussy and told her this is a really really bad idea. I did it again and she moaned and opened her legs wider for me. I gently spanked her repeatedly so much so that my fingers became drenched in her juices. We kissed passionately as I slapped her repeatedly. I am sure she was about to cum. The hotel room me and my sister were in had the bathroom right next to the bedroom, with the wardrobe around the corner. Amber, my sister, had just gotten in the shower because we were going out for the night. She must have thought that I was not in the room or something because she came out of the shower and into the bedroom with absolutely no clothes on and had not dried herself, even slightly. I saw every beautiful inch of her body, from her firm 32B cup titties to her thin waist, all the. "That ended the discussion and he pulled down my knickers and tongued me to orgasm.I think it was Ruby, shortly after seeing my first prototype (which I had managed to secretly make during down times at the factory), who first voiced the opinion that this was a radically improved chastity device and could be highly commercial. We all agreed that our whole experiment would be kept very secret to protect the commercial potential until we had patented our design and proved it out by testing.Joe.