The historical comedy manga, set during the end of the Edo period, depicts the Father of the Japanese Police—Toshiyoshi Kawaji. Within the mob hidden in the shadows of history, a samurai who gave up being a samurai risks his own life, and fights the information warfare for a bigger cause.

Historical Comedy set in the Bakumatsu period of Japan, the times of the famous Shinsengumi & Sakamoto Ryoma. In these turbulent times there is a man who diligently does his work: the founder of the Modern Japanese Police, Kawaji Toshiyoshi, a samurai who isn't very samurai-like, a man involved in an information war. But is this man a traitor or a patriot?