Delphoscere, the Grand City of Knowledge, said to rest at the center of the world, bringing all of its history and magic together. Neia Samsa, a mysterious young girl who hides a secret, Yoshida Hiiro, a young man from Japan who finds himself branded as both Hero and Demon, and Nina Il Manako, an Elf with an anxious disposition, find their paths crossing. On their way to Delphoscere, they find Monsters, Dragons, Gods, and a Dark plot standing in their way of reaching the Grand city and their goals. This is the beginning of a new world and the story of their determination.