A young man learns about zoophilia theoretically and then, after much searching for his opportunity, makes his fantasies a reality in the company of a beautiful German Shepherd.

I am a male, white, blonde, with blue eyes. I'm rather thin. When I was a child, several schoolmates tried to induce me to engage in homosexual practices (mutual masturbation and fellatio), but I refused because I found those practices repugnant. At the age of eleven, I learned to masturbate. My knowledge about sex came from a sexology book that described the sexual act between humans. The book provided, in addition to theory, material for my fantasies. Some time later, I read a chapter dedicated to "sexual aberrations". Two of them interested me greatly: homosexuality and zoophilia.

In the first one, I learned the meaning of the word pederasty, which seemed repugnant to me. But then, a schoolmate told me a sexual joke that described in detail an act of pederasty. Although I didn't comment on it, the truth is that I got excited when I learned something that my book didn't say: the position that pederasts adopt to practice coitus. The fact that the passive pederast gets on all fours to receive the penis in the anus seemed extremely exciting to me. Coincidentally, I had seen two dogs practicing sex shortly before, and it was inevitable to compare the position of the passive sodomite with that of the copulating female dog. The truth is that when I got home, the first thing I did was lock myself in the bathroom, undress completely, and get on all fours, with a mirror in my hand to look at my buttocks. When I verified that in that position my anus was totally exposed as my buttocks separated, I got extremely excited. I masturbated in that position, on my knees, with my left hand on the floor and my right hand on my penis. From then on, I always masturbated like that, with homosexual fantasies in which sometimes I was the active practitioner and others the passive one. And when I ejaculated, I felt ashamed.

At the age of twelve, some schoolmates brought an incredible book. I think they would think that reading pornographic books in secret is something common among adolescents. That would be true if it were ordinary books, those cheap ones that abound. But no: I started my erotic readings with the best of such books: "Two Nights of Pleasure", by the famous French writer and poet of the 19th century, Alfred Musset. A very serious book. In it, I could read, along with my schoolmates, unusual passages of all kinds of sexual practices. It was there that I had the opportunity to find detailed descriptions of zoophilia (something that my sexology book mentioned in a very vague way). We read about women copulated by dogs, monkeys, and donkeys. My excitement was very strong, so much so that everyone noticed. But what amazed me most about the book was not the novel itself, but the appendix it included, supposedly added by the editor, dedicated to the scientific...