Koukoku no Shugosha is an adaptation of Satou Daisuke's alternate-history war novels by the same title.
Two times in a row, in 2005 and 2006, the manga series was chosen as Jury Recommended Work at the 9th and 10th Japanese Media Arts Awards Festival in manga division. It was also one of nominee works for the 1st Manga Taisho Award in 2008.