The franchise spans several media formats, beginning as a light novel before expanding into manga and anime adaptations.
Machines that require a "Burial Doll"—a human sacrifice whose soul provides power. Asura Cryin
Serialized in Dengeki Daioh starting in September 2008, illustrated by Ryō Akizuki . The franchise spans several media formats, beginning as
Two seasons (26 episodes total) produced by Seven Arcs aired in 2009. Core Story & Mechanics The franchise spans several media formats