Asura Cryin'

is a Japanese light novel series written by Gakuto Mikumo and illustrated by Nao Watanuki. The novel series began on July 10, 2005, with fourteen volumes published by ASCII Media Works under their Dengeki Bunko imprint. A manga adaptation by Ryō Akizuki premiered in ASCII Media Works' shōnen manga magazine Dengeki Daioh on September 27, 2008, and an anime adaptation aired in Japan from April to December 2009.