Kagero provides more info on the Ark mission and explains the Extinction Belt's origin. A new threat stalks the platoons, but their escape route is even more dangerous. They must decide their next step once Togetsu's ultimate objective is revealed.

Suoh prepares to deploy Naomi, Alice, and the rest of the human-derived Others. Kasane's platoon rushes to stop them. Yuito's platoon ventures into Arahabaki to broadcast the secretly recorded video to the public. Karen uses his Brain Eater power.