Female body torture research institute, a criminal group that draws out the tremendous cum performance hidden in women and gives them astonishing orgasms. And female investigators who bravely confronted to exterminate the brute who trampled on the dignity of women became prey one after another. Meanwhile, the mysterious organization "Himekawa Soke", which is the genealogy of "Kunoichi", begins to move toward the destruction of the brute group... Presenting the beauty and nobility of women who repeat cruel climaxes with overwhelmingly realistic visual beauty!
