This story is 100% fantasy.
Part 1
I grew up in a very liberal, free-spirited family. I'm the older of two children, with my sister being two years younger. My dad was 25 when he and my mom got married. She was 24. I was born just over a year later, so my parents were on the younger side when both my sister and I were growing up. I am now 49, my sister 47.
My family lived in a fairly isolated place in the foothills of Northern Arizona. Both my mom and dad had inherited a large sum of money, and neither of them had to work. We were home schooled and did not have much interaction with other kids or families. Our parents lived a very uninhibited life style and were nudists. Being nude was simply how we lived, and never thought of it as anything other than normal.
Puberty didn't hit me until after I was 18. I started to get erections, but had no idea why. I also started to get hair in new places. As liberal as my parents were, they never did give me "The talk."
Shortly after my 18th birthday, my father told me he was going to explain some things to me. He then asked me if I knew why I was getting erections, which I didn't and told him so. He asked if I ever played with my dick when it got hard. I had not at that point, but I asked him why that happened, as it was occurring more often, almost daily. I also asked him why I was starting to get hair around my dick and balls, because no one else, he, mom or my sister had hair down there.
He explained a lot about sex and how society viewed it, which was a lot different than how he and mom viewed it. He also explained some biology to,me. He told me that when my sister turned 18 they would have a similar conversation with her. I asked him why he and mom didn't have hair down there. He told me they both keep themselves shaved as they think it looks better and that they enjoy sex more this way. He asked me if I'd like him to show me how to shave my dick, balls and ass, I jumped at the chance!
I started to get hard while listening to him, but this had happened many times before. After our talk, however, it felt different. Dad took a hold of my 6" hard-on, stroking it gently. It began to feel REALLY good! I must have had a questioning look on my face because dad told me shaving was easier with a hard-on. He then took some coconut oil and rubbed it into my dick, balls and ass. Dad pulled up a chair and told me to stand in front of him and to spread my legs apart. He then got his razor, put a new blade in it and went to work on me.
He started about an inch below my belly button and carefully worked his way to the top of my very hard cock. I didn't have very much hair yet so it was an easy process.