7 Blades depends on the 1990 movie Zipang, coordinated by Japanese producer Kaizo Hayashi.
The game happens in mid-17th century Japan, during which the Tokugawa shogunate was acquiring power. The game is set on the man-made island Dejima, which the Japanese government is utilizing to house Western outsiders and where a Christian gathering is attempting to isolate from the remainder of the country.
The principle character is Gokurakumaru, a fierce hired fighter and helpless womanizer. He goes with his firearm using love interest (Oyuri) and companion (Togizo). The last gives entertainment and holds the swords as Gokurakumaru gathers them individually.