Kabaneri of the Iron Fortress

When the world is at the height of the Industrial Revolution, a monster suddenly appears. It can only be defeated by piercing its heart, hidden under a layer of iron. One bite infects people and makes them aggressive undead, the kabane.
On the far eastern island of Hinomoto, people have built special stations to protect themselves from these monsters and use Hayajiro’s steam locomotive to travel between them. At Aragane Station lives Ikoma, a boy who helped build the locomotive. To defeat the monsters, he created his own weapon, Tsuranukizutsu. One day he meets a girl, Mumei, exempt from compulsory inspection. At night, they see that Hayajiro is out of control, his staff has become monsters, and kabane are attacking the station. However, this is exactly the opportunity Ikoma has been waiting for.