In the year 2061, Japan became an occupied territory. Shiiba Amou lives in a dreary world under constant oppression until the day he meets an autonomous AI named "Gai". This chance meeting would change his world forever…
Later, this battle was called
the Boundary War.
In diesem Grenzkrieg,
wie man ihn später nannte,
Más tarde, esa batalla
fue llamada "la Guerra de las Fronteras".
Au cours
de la guerre des Frontières,
Depois, esta batalha seria
chamada Guerra Fronteiriça.