As Chicken retrieves the gem from inside Dog's body she recalls her earlier life as an abused child who killed her parents. She suffered from severe amnesia but showed an ability to communicate with birds. She was then taken in by the Niwa family who turned her into a killer who carried out their instructions without conscience. In the present, she instructs her birds to attack Boar, and although many are killed, they eventually prevail and devour her body. In the subway tunnel, Ox relentlessly attacks Horse who has an iron-like skin...