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...
Why do you need so much
 stuff for a solo journey?
لماذا تحتاج لكلّ هذه الأشياء في رحلة فرديّة؟
Parece mucho equipaje
para un solo monje.
Parece mucho equipaje
para un solo monje.
Ça fait beaucoup
pour un seul prêtre.
Perché ti porti dietro tutta quella roba
per un viaggio in solitaria?
Por que precisa de tanta coisa 
pra uma jornada sozinho?