Japanese schoolgirl Sakura (Higarino) has her idyllic small-town life turned inside-out when the local men start savagely killing the women. Armed with only her kyudo bow for protection and an English textbook for comfort, Sakura journeys through an apocalyptic world of mayhem. As trauma from witnessing the violent deaths of friends and family drives her toward madness, Sakura takes refuge in an animated dreamworld where she meets Billy (Mackenzie), a character from
