Sessing on Saturday

Rarely my lover uses a Saturday because he knows that it complicates me to organize, when he does it's because he has some very special situation. And that was what happened this Saturday. Friday evening he asked me to get ready for the night because he had an event he wanted to attend with me if possible. On Saturday at 9 pm I went to pick him up at his house, he let me in, I undressed, put on a black thong and apron, he made sure I didn't have any hair on my body, stored more clothes in a backpack and before we left, he made me kneel down and suck his cock for a while since he was very hot, but it didn't end. We got into the car and before leaving, he told me where we were going. He said some friends of his who lived in Bs As and were all masters had come to Mar del Plata with their dogs and organized an S&M event, there were six masters and six submissives and he had been invited. I was really excited about the idea, I had only been to something like that once before since it's not common in the city. We arrived at a house on the outskirts of Sierra de los Padres, there was music and several cars under the moonlight. He greeted his friends and at the scheduled hour he came to get me, before entering he put a dog collar and chain on me, I left my clothes in the car and he made me wear a black leather mini dress and a kind of corset with black straps that framed my breasts. It gave me an incredible shame to enter like that. As soon as we entered, his friends looked at me, laughed and said they would take me to the corral with the other dogs. My lover took me to a room where there were 6 submissives all feminized, some of them were young, others around my age. I sat down in a chair, also wearing the cap that I use in my sessions. I didn't know how much time I would spend in that room or what would happen during the night.