Mark groaned in his sleep as he began to have wet dreams. In the dreams, he was surrounded by Satyrs singing, dancing and having sex. The sheer sound of the music, the aroma of musty bodies and the feeling of the fire in the dream made him gleam with sweat. In the dream Satyrs of both genders ground their naked bodies against his own, the tunes the satyrs had played in the streets now became familiar as nursery rhymes to him and he began to sing and play them too.
Meanwhile in the world outside the dream, Mark's body began to break into a sweat as his ears began to twitch and become tapered. His hair started to grow more curly as the beginnings of horns pushed their way from his skull. His still human penis stuck out against the mattress as he began to moan and grind into the sheets. Dark fur began to sprout from around his penis and swarm his changing legs. His toes merged into cloven hooves as his penis itself began to darken. The sperm inside it began to be corrupted as the satyrs whispered dark secrets in Mark's dreams.
He came, coating the sheets, his eyes blazing open with rectangular pupils. Gone was any semblence of resistance, in fact, Mark could not believe why he would do such a thing...