Juo Mujin no Fafnir is a series of light novels written by Tsukasa and illustrated by Korie Riko. The television series, produced by Diomedea and directed by Keizo Kusakawa, began on January 8, 2015.
In a world devastated by the sudden arrival of monsters called dragons, over time begin to rise to a series of superhuman girls who possess the same power of these beings, and that is why they are called "D".
