It does not take end with the Shogunate period in Japan, and the Shinobi are can not survive by working underground as contract assassins. One of them female Shinobi assassins is Karyuu. To finish her deadly missions, she takes full benefit of her excellent fighting techniques and also her radiant attractiveness. One evening, Karyuu sneaks in a house to assassinate a male and finds the mark flirting which has a maidservant. When she