These were incredible!“Wait. There’s a note here.” He went to the page where the note was, and found his reaction surprising.‘To who may read,...my name is Professor Marylin Dunlap. For the past few months, I’ve been working on new formulas for fertility, but the results varied. Over 200 tests of the new chemical were unfounded on. These ar stud results of the tests: men injected with the chemical I call Fertile Grounds have an increase in virility and sperm dispense, resulting in a 1-in-50. Dave is average build with a decent size cock which satisfies my needs, I am tall slim and busty, natural blonde hair and completely shaved downstairs.So on the Saturday night of our visit I happened to be in my fertile part of my cycle, not that this mattered much anymore to us as Dave couldn't have k**s. We only used the glory holes by ourselves, wanting the risk of having sex in there but never wanting anyone else to join in, Between our house and the store I gave Dave a quick blowjob making. He realized that there was little else to do to prepare, so he sat on the bed and waited. The knock at the door was firm and purposeful, which surprised Pete. But he thought about how Lana had taken her spankings before. She was always the tough girl, holding off the tears for as long as possible. Pete opened the door. Lana was standing there, completely nude, with her arms at her side, her posture upright and proud, her breasts perky and her feet slightly apart. Pete smiled and stepped back. The water made him sticky and slick again, and he remembered what had happened. As bad as what had happened was, he couldn't lie to himself. He had loved it. It was pure, primal fucking, and it was great.He looked down, noticing he had a hard on again. "Fuck, am I crazy? This can't be happening, she's my sister!"He finished showering, thinking of everything he could to make it go down. His thoughts settled on Andrea, and his dick wilted quickly.Shane put on some sweats and a t-shirt, and he.