Between Rhymes

This is the world that belongs to Yun! From ancient times to the present, only the power of awakening rhyme can become a master. But as various races suddenly appeared on the earth five hundred years ago, each race was born with powerful power, much stronger than humans. The most powerful races among them are the Orcs, Scorpions, and Flame Lions. In order to protect themselves, mankind has changed from the original ruler of the earth to a survivor on the retreat. In this troubled era, who can save mankind?