Peacemaker Kurogane (PEACE MAKER鐵, Peacemaker Kurogane?) is a historical fiction manga and anime series created by mangaka Nanae Chrono (黒乃奈々絵, Kurono Nanae?). The story begins in 19th century Japan before the Meiji Restoration, while the seeds of the revolution are being planted. The story follows the boy protagonist, Ichimura Tetsunosuke, who joins the Shinsengumi (initially as Hijikata Toshizo's page) while seeking strength to avenge his parents' death by a Choshu rebel.
The prequel of "Peacemaker Kurogane" is Shinsengumi Imon Peacemaker (新撰組異聞PEACE MAKER, Shinsengumi Imon Peacemaker?) was published by Enix in the magazine Monthly Shōnen Gangan. "Peacemaker Kurogane" itself was started as a new series in Mag Garden's Comic Blade in 2001, Kurogane and was later licensed by ADV Manga, which released three of the five volumes before putting it on hold indefinitely. After the license lapsed, and Tokyopop acquired it, along with Shinsengumi Imon Peacemaker. The manga was later adapted into a anime series by Gonzo Digimation and ran for 24 episodes, which aired on TV Asahi in late 2003 and early 2004. The US license for the anime is held by ADV Films under the title Peacemaker. The anime follows the plot of the manga mostly, but also introduces characters that are only shown in the sequel of the story. The anime aired in the United States on Showtime Beyond, alongside Chrono Crusade.