Spirit Taming: Did I Hatch a Little Dragon Girl from the Start?

He transmigrated to a world where everyone could command spirits. In this world, countless races stood side by side, and humans were just one of them. At the age of sixteen, humans could awaken a Spirit Space and form contracts with either monsters or demi-humans. Qin Feng arrived in this parallel world after taking one wrong step. By a stroke of luck, he obtained an egg with SSS-rank potential, which hatched into a dragon that had been extinct since the Mythic Era. He later discovered that every change of era was followed by a blank period of three hundred years, during which countless races vanished. To find out how he had come to this world and unravel mysteries that had gone unanswered for tens of thousands of years, Qin Feng embarked on a story alongside demi-human girls.