In a time when humanity has left Earth and migrated to other planets in the galaxy, two unrelated people, Mads, a Martian whose life is threatened by the mafia, and Vigne, a Venusian who is the galaxy's greatest diva, meet each other due to a mysterious "orb" that fell from space. They are unaware that this is a sign of a major event that will shake the solar system. This is the start of a thrilling and entertaining sci-fi manga with a last-century view of the universe! (Source: Kadokawa, translated)

December 2002, Japan is always rule by a shôgun and the samurais are still here. The country is again in autarky and doesn't have any technological evolution. At this moment, a big black boat, like Commodore Perry's boats, enter inthe Bay of Tokyo. On this boat, Seven, a man come from hell to destroy Japan. But the samurais want to defend their country. At their head, Zanjûrô, a young warrior with a big heart. An merciless battle for the Empire restauration begins...