I did my business and exited only to run smack dab into a brick wall. After I stumbled backwards I looked up to see my 21 year old sister Isabella (Iz...y for short and the oldest of the three) staring at me smugly and currently blocking the entrance to my room. She was 6’1 with an hourglass figure that was model worthy, having an amazing pair of boobs that were at least a D-cup. Her smooth face was always wearing the same evil expression when she glanced my way, with chin length black hair that. Wow, I cannot believe I am going to really put this bra on,while I stare at the bra in my hands.The bra has lace all over it, and my fingers touch it with my thoughtsgoing to the dreams I have had about taking a bra off a pretty girl andfeeling her breasts. Now I am the one that will be wearing a bra. Whatis happening to me I must be losing it.Well I might as well get going with this, as I notice there is a clipin the back of the bra. I wrap it around my chest and try to clip it inthe back and. I called her and we started exchanging erotic talk and we both became excited. Suddenly I said that I wished I was there with her and could make our talk into reality. By this time she was also excited and said that while she continued to be chicken, she also wished we could meet since it was a safe situation. I then said that if she was willing to be unchicken I was also willing to be unchicken. She replied saying that I better not spoil the mood that had been created so far by talking like. So, following her unspoken gesture to enter, I stepped forward over thethreshold and Miss Tess groped my crotch through my one piece overalls.Given that I was, as usual, wearing a locked metallic chastity device, thisaction was certainly not for my benefit but to confirm her expectationsthat I was still 'under control'. Closing the door behind me, sheinstructed me to remove my overall. After months with Mrs Redman and MissJulie, this scenario was still not without some humiliation and having.