Soon it was in about half way and l was finding it difficult to breathe around it. She told me to concentrate on breathing through my nose which l did...and soon found it much easier. As she slowly fucked my mouth, l began to get used to the texture and taste of the rubber. once my mouth became wet and slobbery with saliva it made it much easier to slide into my face. I could feel my clitty geting hard and excited and shortly cum in my panties. Mistress knew from my noises that l was making that. "Actually, dear. I have been talking with her for some time. She started asking questions when her body blossomed. That led into discussions about sex, which led into our unique family, and that led into the reunion. As for her willingness, I had to stop her from pulling you into her bed that night. I told her she had to wait for her birthday. Dear, she isn't just willing; she is chomping at the bit. You have to remember, her body is filled with more 'want sex' hormones now than it ever will be. "I need to know which one of you is going to enter so that they can sign this" What is it?" Jenny asked suspiciously."It's just a contract which needs to be signed before you take part it just clarifies that you are aware of the rules and what the prize structure is, if you don't sign it then the company could refuse your prize request. It's just paperwork I promise, you're not signing your life away. Read it if you don't believe me."After reading through the contract the girls were satisfied. "Ooh, I love pre cum" and she got up and started licking it all up and then the head disappeared into her mouth and she sucked my cock with just the right amount of pressure. I was getting close to cumming and I think she knew because she stopped and looked up at me. She straddled her leg across me and leant in and passionately kissed me. Her tongue darted in and out if my mouth and I chased it with mine. She stopped after a while. "It's time to finish us both off. She took my cock in her hand.