The story follows the story of Arc the Lad II, the second game in the video game series. The world is also similar to the game, full of technology, but with magic and beasts as well. An evil corporation secretly controls this world and produces powerful monster (sometimes human) creations called chimera. Elc gets caught up in this mess when he rescues a young female beast tamer from the corporation. Her name is Lieza. Together with Shu and the rest of their companions, they fight to save a corrupt world.