Kabaneri of the Iron Fortress

Kabane, the immortal monsters, attacked Aragane Station. Ikoma, a steamsmith boy who lives in Aragane Station, ran against the waves of terrified civilians. He is going to fight against Kabane using the weapon he has been secretly developing - the Piercing gun. He fights for his own past and dignity.

Having escaped Kenkin Station, the Kotetsujyo heads for Kongokaku, the Shogunates fortress. However, the people on the Kotetsujyo quickly turn against Ikoma and Mumei and attempt to drive them off the train. Having been thrown into her leadership position, Ayame lacks the power to subdue them...

The Kotetsujyo picks up survivors from Yatsushiro Station which has been destroyed by the Kabane. Among the survivors is Enoku, an old friend of Mumeis. He points out to Mumei how weak shed become as he witnessed how close shes grown to the people of the Kotetsujyo. Rattled, Mumei chooses to throw herself into a reckless fight and finds herself in a dangerous situation.

The Kotetsujyo arrives at Shitori Station, the first populated station its encountered since leaving Kenkin Station. Ikoma and the others leave to shop for some supplies, and experience their first moment of peace in ages. Meanwhile, Ayame negotiates with Shitori Station to see if they could spare some food, but food is precious everywhere...

The Shogunate closes off the path to Kongokaku because they are wary of Biba and the support hes managed to garner. Biba seeks an audience with the Lord of Iwado Station and kills him at the meeting once its granted. Biba and his Hunters overthrow of the Shogunate has begun.

Biba reunites with his father Shogun Koukyo after 10 years. Behind the scenes, Mumeis Nue stands ready. Meanwhile, Ikoma has lost his confidence and willpower, a mere shell of his former self. Ikoma can only cower at the sight of the Kabane now, however...