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...
Have you kids seen anyone buying 
or selling mushrooms around here?
هل رأيتما أحداً يشتري أو يبيع الفطور في هذه الأرجاء؟
Les enfants, auriez-vous aperçu
des trafiquants de champignons ?
Ragazzi, avete visto gente 
che vende o compra funghi qui intorno?
Vocês viram alguém vendendo 
cogumelos por aqui?
Ребята, не видели,
чтобы тут кто-то торговал грибами?