The truth about Naoto and Naoya's past, and what happened in the mysterious World War III, is revealed at a strange facility that lies between two worlds...
We... and the rest of mankind... 
are on the Earth that was left behind?
نحن... وبقيّة البشر في هذا العالم
على الأرض المهجورة؟
Noi...
Nós, e o resto da humanidade, estamos
na Terra que foi deixada para trás?