Kunoichi is the term for a female (modernized simplified term) ninja (previously meaning male or female or practitioner of ninjutsu.

According to the historical records, Kunoichis did neither fight nor do flashy espionage. Their main role is to be maids of their enemies. As they invade their hostile residences legally, from the casual conversations with another maids or servants, they pick up secrets information. Generally speaking, people are not cautious about women.Kunoichis take advantage of it.