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.
Mushroom Keepers do grow mushrooms
 in places dense with Rust,
،يزرع رُعاة الفطور الفطورَ في أماكن مليئة بالصّدأ
Wir Pilzhüter pflanzen dort Pilze,
wo sich Rost angesammelt hat.
Los Protectores de Hongos plantan
hongos donde hay más óxido,
Los Protectores de Hongos plantan
hongos donde hay más óxido,
On cultive les champignons
là où la rouille est la plus forte,
I Custodi dei Funghi diffondono le spore
nei luoghi più colpiti dalla Ruggine,
Guardiões de Cogumelo cultivam cogumelos 
em lugares com muita Ferrugem,
Грибные стражи сажают грибы там,
где ржавчины много,