Utada Mamoru is a 32-year-old detective of Musashihara precinct who finds himself stifled by the corrupt police system. Then he is told by a black-suited man who identifies himself as Kanzaki, "You will die at...

Kocho, the Tayu of the Yoshiwara red-light district a beautiful and lustrous "prostitute" but behind the scenes is a ninja the time is 1635 in order to condemn the "stray ninjas" who nest in the world of peace....

This is a story of Ochou, a shinobi who lives under the name of Kochou, a courtesan, displaying as such in order to hunt other shinobi who have lost their way.

Bouida Haruto, a hardcore otaku with no interest in 3D (real) women, once appreciated figures from afar, accepting that "if you get into them, there's no turning back." However, when Nona, a character he loved...