Later, as we ate everyone was smiling and giggling whenever they looked at me. I was getting more and more nervous the longer dinner took. As we all f...inished eating, May and Jan brought out a large cake with candles burning. Everyone broke out into the 'Happy Birthday' song. I was impressed. The cake was quite well decorated; having everyone pictured, naked on the yacht. I could tell this was going to be a birthday to never forget.After eating the cake and ice cream, I was guided out to the. .these lips…. I am Alison, nice to meet you here. Candy, the girl replied; likewise. Alison undid the top 3 buttons of her dress and pushed the two halves open, exposing the skin of most of her chest and leaned back, so her boobs firmly pointed forward. Hmmmm, lovely this warm sun, Alison said out loud ensuring Candy would pay attention to her. Yes, it is, she could hear Candy´s voice next to her. Do you come here often? Candy asked Alison. Well, yes actually, I live very close to the park. I assumed it was a photo studio. Mary and Carol were already there, and Carol was getting Mary ready for the first photos. Looking around, I saw that it was more than a studio. It was set up as a form of dungeon. Bob told us they were into mild bondage. I said that Mary liked to be tied up, and spanked. He said that he could work this into the photo shoot.Mary looked gorgeous. She looked like a model, her hair expertly done, and her make up made her look like a goddess. Bob led her to a. He kept pumping his cock down my throat. He got hard in just a few minutes time. Thankfully Dad pulled away. I wasn't expecting the next part. Dad climbed onto my bed. He took hold of my legs and spread them wide apart.I wanted to tell him to stop but I was too worked up. Dad had me lie on my back. I felt his cock rubbing along my wet slit. He finally slipped into my waiting pussy. I had to stop myself from crying out. His cock felt enormous. Dad pushed in the whole way and then he held his rod.