A girl who attends a school that raises children without guardians as weapons for war. In a daily life where lessons are about killing and no one can mourn even if someone dies, 14-year-old Sheena struggles to accept her circumstances. One night, she meets a blood-soaked little girl named Mimi. Sheena, who wishes for peace and is scared, and Mimi, who smiles and faces war with courage. This is the story of the innocent wishes found by the two girls in a world adjacent to death.