Ishin no Arashi - Bakumatsu Shishiden [Koei the Best] Japan

Ishin no Arashi (literally: Storm of Reformation) is a part of Koei's Rekoeition series, a set of simulation titles which incorporate role-playing game elements. It was first released by Koei in 1988 for the PC-9801. So far the games remain in Japan and have not been localized. Ishin no Arashi's setting is the Bakumatsu.