Bisco and Jabi continue their journey through Touhoku in search of Sabikui, the Rust-Eater, a mushroom said to cleanse away any rust. Milo also realizes that if he could cure his sister, Pawoo, if he had this Rust-Eater. Meanwhile, the governor of Imihama, Kurokawa, burns with an unusual obsession with killing Bisco.
It's the only method we currently
 have of purifying the Rust.
إنّها الطريقة الوحيدة التي لدينا حاليّاً لتطهير الصّدأ
Sie sind momentan das einzige Mittel,
das gegen den Rost ankommt.
C’est aujourd’hui le seul moyen
de la purifier.
È l'unico metodo che abbiamo al momento
per purificare i luoghi dalla Ruggine.
Atualmente é a única forma 
de purificar a Ferrugem.
Сейчас это от неё единственное средство.