Ikoma

Ikoma (生駒, Ikoma), a young steam smith who makes a living in Aragane Station making iron and steam engines. He is the main character of this series. He and his good friend Takumi developed a weapon called "Tsuranuki Zutsu" in order to defeat the Kabane. Everyone makes light of him now, but he looks forward to a day when he will be triumphant.

Appearance
Ikoma is a bespectacled young man. He appears to be of average height and build. After stopping the infection from spreading to his brain his hair partially turns white.His spectacles are missing a lense on the right drake while the lense on the left frame is tinted green. Ikoma is rather muscular, but it's rather hard to tell with the baggy clothes he wears.

Personality
He is a determined and creative person.

Plot
Ikoma is one of the steam smiths whose main job is to repair the Kōtetsujō's. He however is creating a new weapon that could pierce though the Kabane heart's cage. He has also found out that the Kabane are actually people infected by a virus. If the virus can't go to the brain however, the infected person will remain human.