The Mongols have sent a traitor into the Japanese camp. If they can't be defeated by the horde, can they be defeated by an enemy within?
A kotsuzura tree as the sun sets...
...شجرة كوتسودزورا مع غروب الشّمس
Ein Kotsuzura-Baum
bei Sonnenuntergang …
Un piccolo albero di kudzu al tramonto.
Uma árvore de kudzu 
enquanto o sol se põe...
Ха, я и то знаю более утончённые песни.