Kuro Gane Vol 1

Kuro Gane Vol 1 by Kei Toume. An Action manga rated Teen, published in English by Kodansha in 1996.

In Edo-era Japan, a young man named Jintetsu is murdered, and his father, a brilliant craftsman, brings him back to life in a body made of iron. Armed with a talking sword, Jintetsu wanders through a world he no longer fully belongs to. A quiet, atmospheric samurai story from Kei Toume.