Peacemaker Kurogane

is a historical fiction manga series written and illustrated by Nanae Chrono. It is unrelated to the Peace Maker manga by Ryōji Minagawa.

The prequel of Peacemaker Kurogane is Shinsengumi Imon Peace Maker (新撰組異聞PEACE MAKER Shinsengumi Imon Pīsu Meikā) was published by Enix in the magazine Monthly Shōnen Gangan. Shinsengumi Imon Peacemaker is licensed in North America by Tokyopop.

A live-action adaptation of the manga was aired on TBS entitled Shinsengumi Peace Maker (新撰組PEACE MAKER Shinsengumi Pīsu Meikā). It premiered on January 15, 2010, until its conclusion on March 19, 2010.

Plot
Although traumatized by witnessing the murder of his parents by one of the Choushuu, Ichimura Tetsunosuke's thirst for revenge lead him to desire strength. At the age of 15, Tetsunosuke approached the Shinsengumi, wanting to become one of its members. However, Tetsunosuke lacked the skill, mind and will to emotionlessly cut down whoever threatened peace and the Shinsengumi. Even with the support of his brother Tatsunosuke and his newfound friends of the Shinsengumi, little did Tetsunosuke know the blood and pain he would have to face being part of this historical group.