In the future, the Japanese government captures a class of ninth-grade students and forces them to kill each other under the revolutionary "Battle Royale" act.
A girl called Zero stands in a crowded street, her occupation an assassin. As she completes her tasks one after another, Zero has been feeling uneasy lately. As her code name suggests, she has nothing to prove her existence. She overlaps herself with the vanishing landscape and begins to wander in...