The unique Historical Series first which caused a topic with the Futaro Yamada original, many erotic art of concealment and espionage. The Female Ninja of four people who were pregnant with a child of shu* from Osaka-jo Castle surrounded by the army of Tokugawa in the Genna first year escaped. They are opposed to an assassinator of Tokugawa in various art of concealment and espionage to leave blood of the Toyotomis.
