Endride

Shun Asanaga touches a strange crystal at his father’s company and is transported to Endra, a hidden world within the Earth. He appears in the cell of Prince Emilio, imprisoned after a failed attempt to take revenge on King Delzain.

Shun wants to return home, while Emilio remains determined to complete his revenge. Their different goals draw together two boys raised in separate worlds, beginning a journey through unfamiliar dangers and secrets.