After losing his parents in a terrorist attack, Masato, a 12-year-old, vows to stop the organization responsible for plunging his city into chaos. As war rages on and destruction spreads, he trains to confront enemies who can manipulate bodies, minds, and fate. In a world reduced to ruins, the line between justice and revenge begins to blur. The Eternal War is a story of survival, sacrifice, and a conflict with no guaranteed end.