this drama for the original screenplay point of view of the leading entrepreneurs will Bakumatsu Yataro Iwasaki Yataro Iwasaki and Sakamoto Ryoma , a similar background as the Tosa clan, between the two men had very good friend, Yataro and Ryoma 's Marine Rescue Team as accounting positions . After the Meiji Restoration , Yataro also created the Mitsubishi consortium . This drama is the history of river play the second degree of Ryoma Sakamoto 's life onto the screen