December 31, 2002, Japan is still ruled by a shogun and samurai will reign supreme. The country is still quasi-autarky and technological evolution is very limited. Then a huge black ship, like those of Commodore Perry made his entrance into the Bay of Tokyo. On board this ship is a man, Seven, came straight from hell to destroy Japan. But it's not counting on the determination of the samurai! Loyal to their code of honor, they will do everything to defend their homeland. At their head, Zanjûrô, a young warrior with a big heart. Then began a ruthless fight for the restoration of the Empire!