Those reform proposals were plans for system of government centered on the Tokugawa family and indicated future after Taisei Hokan (transfer of power back to the Emperor), in addition, separation of powers was also included in the plans.
これら改革案は徳川家中心の政体案であり、且つ三権分立を取り入れたもので、大政奉還後の展望を示したものである。