Endride

The story is set on Endra, an unknown world beneath the surface of Earth itself. It is another world, where the giant Adamas shines above and seven-colored bands drift across the skies. One day, Shun Asanaga — an ordinary yet positive and bright 15-year-old middle school boy who lived in the "Land Above" — lands in this place. He had discovered a mysterious crystal at his scientific businessman fa…