Japan has become a wasteland devastated by the Rusty Wind which causes all things to rust away. A suspicious looking priest visits a checkpoint all alone, yet on his back rests a bow priests wouldn't use.
Meanwhile, Milo, a doctor running a clinic in the town of Imihama, is researching new medicines in secret in order to save his older sister, Pawoo, who's being corroded by the Rust. But that day a stranger appears before him...
He's a dangerous criminal who's 
been causing havoc in Japan lately.
إنّه مجرم خطير كان يسبّب فوضى في اليابان مؤخّراً
Ein ruchloser Verbrecher,
der in ganz Japan sein Unwesen treibt.
Un criminal que tiene en alerta
a todo Japón.
Un criminal que tiene en alerta
a todo Japón.
C’est un criminel qui sème
la terreur dans le pays.
È un pericoloso criminale che sta scatenando
 il caos in Giappone ultimamente.
Ele é um criminoso perigoso que tem 
causado o caos no Japão ultimamente.
Злодей, который взбудоражил всю Японию.