Biba Amatori is introduced to Ayame, and reveals that he is Mumei's 'older brother' in name only and has been disowned by the shōgun. The Kabane attack Shitori Station and Biba takes his Hunter squad and destroys them all, and kills a re-emerged Enoku, who he accuses of betrayal. He then offers to accompany Ayane's Kōtetsujō to Kongokaku and she accepts. Ikoma suspects that Biba turned Mumei into a Kabaneri and gave her the name Mumei for his own purposes...