Wikipedia
Ben-To
is a Japanese light novel series written by Asaura, with illustrations by Kaito Shibano. Shueisha published 15 novels from February 2008 to February 2014. Shibano also illustrates three manga adaptations, and a fourth manga is drawn by Sankaku Head. A 12-episode anime TV series adaptation produced by David Production aired in Japan between October and December 2011. Funimation has licensed the anime in North America.