Just as Mike thought he was going to pass out from pure lust, he heard a knock on the door.That must be his fourteen year old brother! He had known his brother was coming for a visit, but he couldn't see him like this. But, Mike had no choice, as his brother came barging into the bathroom uncerimoniously catching the sight of the fulkly erected horse. "Whoah!" his brother Pete shouted. "Why does Mike have a horse in his bathroom!?!" Then, Pete began to smell the scent of Mike's musk fillngthe room causing his mouth to water. Pete wasn't gay, or into animals, but there was just something about that smell that turned him on. He slowly neared closer to Mike, inhaling deeply into the black horse's back, before noticing the equine arousal. "Oh? Poor thing" he said playfull teasing Mike's member. Mike moaned as a shiver passed through him. He wasn'tgay either, but he needed release. Before Pete knew what he was doing, he was bent under his brother, his tougne just touching the tip of his brother's cock. Mike neighed and whinnied. It was so wonderful. His brother, began to lick it, enjoying the salty taste and the texture of the horse's member. Pete then began suckling it, holding it still with his right hand, while patting Mike playfully on the balls with his left, pushign them up and down. Mike orgasmed, as a length of skin connected his cock to his tummy, completing the transformation. Pete immediately groaned, realizing what he had done. He felt sick and lurched forward, passing out on the floor of the bathroom as his cock began to lengthen