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...
Hm. Heading to Imihama on a pilgrimage, huh?
هل أنت ذاهب إلى إيميهاما للحجّ؟
Tu te rends à Imihama
pour ta tournée ?
Indo a Imihama pra peregrinar, é?
Ха... Едешь в Имихаму, цель поездки —
паломничество, да?..