If you're looking for manga similar to Peace Maker Kurogane, you might like these titles.
Edo, 1855, in the Hill of the Three Hundred district: Japan's isolationist foreign policy has been lifted, and the era of the Bakumatsu has begun. The samurai Ibuya Manjiro, 26 years old, has just begun his career as low-ranking retainer to the minor daimyo Lord Matsudaira. Tezuka Ryoan, 29, a disciple of Dutch medicine, has just been accepted as a student at Teki Academy in Osaka. Each has a temper to go with his talent, and in a time of brewing upheaval the two are not slow to find trouble, which brings them together in spite of their mutual dislike. Tezuka is called in one night to sew up Ibuya after an illicit duel; a few weeks later, Ibuya finds himself the only thing standing between Tezuka and a gang of swordsmen sent by the head of medicine for the Shogunate ...
The Shinsengumi were a special police force in Japan in the 19th century. Tasked originally with protecting the Shougunate, the eventually dedicated themselves to restoring order in Kyoto. Hijikata Toshizo is responsible for the death of the Shinsengumi, but he was once one of them. This is his story.
At the end of the age of shogunates, a great man is given a second chance to restore a crumbling, feudal Japan. Toward the end of the Edo Period, samurai and visionary Sakamoto Ryouma led a revolutionary movement to overthrow the Takagawa Shogunate. Inspired by the Western principle of "all men created equal", he envisioned a modern Japanese government, free of oppressive feudalism. In 1867, he and his close friend Nakaoka Shintaro were assasinated before his dreams could be realized. Tenshou no Ryouma explores the historical alternative-universe where Ryouma is saved through Shintaro's sacrifice. Given this second chance, will Ryouma finally be able to establish a new, modern Japan?
Ichiyo and Akehiko (both 15 years old) have been brought up in an amicable environment at a prosperous restaurant in Japan. They live a safe, happy life, but, as was the norm in feudal Japan, they train at the local dojo with determination to become strong. The times are turbulent, and violence brims the streets of nineteenth century Japan. Under such conditions, the boys will have to learn what it means to wield a sword, to take someone’s life, and to understand the precarious life of living by the sword.
In the Edo era, young Jinta and his sister must flee their home, finding refuge in a mountain village. Years later, Jinta has grown into a skilled swordsman, sworn to protect the priestess of the village shrine. Charged with slaying a demon that threatens the shrine, Jinta confronts the malevolent creature in the forest, only to learn a shocking truth. The demon speaks of events one hundred and seventy years hence, when Jinta must confront the demon in the future. Thus begins an epic fantasy journey that spans multiple eras as Jinta hunts a demon through time and must come to terms with his own dark nature.
The Tokugawa Shogunate is losing strength, all while terrorist "anti-shogunate" ronin wander without a master but with one goal: bring down the past and usher in a new age. A century and a half ago, the nation of Japan was undergoing a revolution. Can the young apprentice Shizuma turn the tide, or will the capital be stained crimson red with the blood of innocents?
Rurouni Kenshin is the story of a revolutionary patriot fighting to conceal his bloody past in the new Meiji era of Japan. Battosai Himura's role in the revolution was so infamous that it earned him the title ‘Hitokiri' (Manslayer). To put that fearful name and his past behind him, Himura returned to his original name of Kenshin, reversing the blade on his sword to make it non-lethal, swearing to never take another life and beginning again as an ordinary rurouni (wandering samurai). He meets Kaoru Kamiya, a spirited girl who runs the local dojo and is the first of several friends to accept him for who he is, not who he was. But Kenshin's past will not leave him alone, and with old rivals remerging, groups attempting to shatter the hard earned peace, and those with desire to face the legendary Battousai, all chasing after Kenshin, can he protect those he cares about and still maintain his oath?