However, there is a description that a female ninja snaked into the castle masquerading as a housemaid and it is considered that she used "women's gossip" for the intelligence activity and created considerable performance.
しかし女忍者が女中になりすまし城に潜入したという記述も残っており、女中達の「女の噂好き」を利用した諜報活動でかなりの功績をあげていたとされる。