Kanata and Kureha find an unconscious Roman soldier while on patrol in the snow and return with her to the fortress where they treat her frostbite. The next day, the soldier awakens but does not understand Helvetian, and the others only grasp her name as Aisha. Later, Naomi and Yumina arrive, informing them that Helvetian armies are heading towards the fortress. Yumina acts as a translator for Aisha, who says she came to see the 'angel fossil' (which Kanata saw when she first arrived in Seize)...