He was being offered a chance for some centaur sex! Derrick flushed, but his eyes immediately went to the massive black horse cock that was already swinging under the centaur's belly. The testicles hanging behind a heavy black sheath looked like pool balls in a leather bag. When Derrick looked back up, the centaur reached out with both hands and cupped Derrick's face, twisting and bending to place a very warm kiss on the boy's lips.
Lust filled Derrick's mind - it was so sudden and complete that he knew there was some sort of magic involved, but he did not care. He was barely aware of stripping, throwing his clothes in all directions before kneeling under the centaur and grasping the pulsing black penis. Thick veins roped along the sides, and the head was flat and flared out at least six inches across. He started licking the rough surface, probing the tip of his tongue into the slit, while his had slid back the length, feeling the foreskin and sheath. Although he had never done anything like this before, Derrick knew what to do, sensed what the centaur wanted and even what he was feeling.
Already hard, the centaur's cock began to pull up, and when Derrick's hand slid over them, the swollen balls throbbed. Derrick felt his own human cock harden and pressure build. He could now feel the centaur's sexual pleasure as if it were his own, the incredible size and even his own tongue as it washed over what felt like his own flare. The teen was overcome by the need to satisfy the centaur.
Their testicles bloated, then jerked in sudden release as they jetted semen. The centaur's load filled Derrick's mouth and splattered over his face, while the boy's cum landed on the straw bedding. Derrick struggled to swallow the heavy, salty semen, and continued to lick and pull at the equine cock. He felt strange, hot, slick, and oddly needy despite having just orgasmed. Reaching between his legs, he was shocked to find...