With an objective to redraw the modern/contemporary history of Japan from the viewpoint of “economics”, Contemporary Economic History of Japan Ⅱ, following Ⅰ, addresses the chronicle that ranges from the economic regime in World War Ⅱperiod, through the postwar years of reforms and reconstructions, and to the stage proceeding toward the high economic growth. Economic activities and their statuses constitute significant parameters to put social conditions in motion on a grand scale, and even change social systems and politics. Let us review relationships between the transactions and sociopolitical dynamism in the Japanese modern/contemporary time-line.