On a day like any other, Suzuko meets one of her neighbor's children, Shu, in a park on her way back from school and decides to walk home with him. Tragically, they never make it home. Suzuko and the young boy are caught in a giant gas explosion, though instead of dying instantly, Suzuko wakes up in the middle of a battlefield full of corpses in the Sengoku period. A group of marauding bandits attacks Suzuko, but Shu...