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...
because they prevented you
from feeling the weight of killing.
لأنّها تمنعك من الشّعور بوزن القتل
euch nicht erlauben,
die Last des Tötens zu spüren?
Oí que no pueden usar
pistolas o flechas.
Oí que no podéis usar
pistolas o flechas.
On m’avait dit ni pistolet ni arc.
perché impediscono di sentire 
il peso dell'omicidio.
porque amenizam o peso de matar alguém.
так что пули и стрелы вам не разрешены.