Bokko takes place 2300 years ago in China. The town of Ryo has requested the help of a clan called Bokk to aide them as their town is facing attack. The Bokk clan's representative, Kakuri, responds to their call for help and attempts to save Ryo from an almost inevitable defeat, from not only outer forces, but also from those who doubt him within. Is he up to the challenge?

Oh, the majesty of historical manga! The blade arts of the "Devil" tasked with striking down evils threatening a peaceful Edo! Heizou Hasegawa, upholding the role of chief officer protecting against crime and arson! In 1783, the heart of the Tenmei era, Hasegawa held the office of chief director of the department charged with sustaining safety in the region, suppressing the most vile of thieves and criminals, an individual largely feared, renowned as Devil Heizou...

In the city of Kyoto at the end of the Edo period, the "Mibu Roshigumi," a group of samurai from Mito, was charged with maintaining public order amidst the conflict between the Kinno (royalist) and the Sabaku (shogunate) factions. When the Mito-born Serizawa Kamo and his subordinates behaved badly, Isamu Kondo and his followers from Bushu are ordered to kill Serizawa. The Mibu Roshigumi, after killing Serizawa, was granted an official name by the Imperial Court, and the legendary "Shinsengumi" was born! The lives of the men who devoted their lives to the bushido, as portrayed by the master mangaka, Takao Saito, depicted in the realistic jidaigeki style! (Source: LEED Publishing, translated) *Note: Originally published as two single-volume supplementals in the Ran Twins magazine.*