シンエイ動画
The adaptation of the series into an anime was first announced in Weekly Shōnen Magazine's 43rd issue in 2011. It is produced by Shin-Ei Animation and directed by Hirofumi Ogura. On January 5, 2012, Crunchyroll announced it will simulcast "The Knight in the Area". The series aired on January 7, 2012 on TV Asahi and finished on September 28, 2012.