MF Bunko J
"Bladedance of Elementalers" is a light novel series written by Yū Shimizu with illustrations by Hanpen Sakura (volumes 1-14), Yuuji Nimura (14-16) and Kohada Shimesada (17-20). The first volume was published on December 24, 2010 under Media Factory's "MF Bunko J". Twenty novels in the series and one extra have been released.