Coming down in the world of a battle nation RPG "Kunoichi Akane"

In the world of a battle nation, there were two countries competing for supremacy. The Hakuonis who has the army like demons and trying to keep the world under control [Hakuoni Seibei]. The Haraguros who is exploiting girls to make his mistresses from his territory, and chanting "Tenka Fukan". [Haraguro Daizaemon] Both are daimyos who are scared by people. In such a war-torn world, there was a ninja group who was specialized in the dark work. .....It was called "Benisuzume". "Benisuzume" is asked to assassinate Hakuoni Seibei secrecy by Haraguro Daizaemon. The leader [Yuga] and his sister [Akane] sneak into the castle tower at Tenpei Castle at night to accomplish their mission. Hakuoni Seibei had struggled with a sneak attack, but he died peaceful after getting Akane's Ninja assassination. Thus, the battle between the two countries has closed the curtain secretly.