What is "nobunagun"

is a manga series written and illustrated by Masato Hisa. Serialized in Earth Star Entertainment's magazine Comic Earth Star since May 2011, it has been compiled into six tankōbon volumes. An anime television series adaptation by studio Bridge was broadcast from January 5, 2014 to March 30, 2014 in Japan. Crunchyroll and Funimation streamed the episodes with English subtitles, which attracted commentaries by anime and manga reviewers who gave it mixed reception.