In Japan, "Heiji no ran" is spoken mainly by samurai. However, in reality the samurai is not the main character.
At the end of the Heian era when samurai went on to the top of politics for the first time, Kiyomori Taira-no achieved the first.
After that, there are twists and turns, and Yoritomo Minamoto-no will open the Kamakura shogunate. But this era is the era of the Retired emperor, Emperor.
Retired emperor and Emperor have been struggling to regain the political power held by Fujiwara clan.
The civil war in Japan called "Hougen no ran" began as a result of parent-child quarrel between the former emperors of Toba-in and Sutoku-in.
The civil war is a major explosion centered on the battle between Emperor Go-shirakawa and Sutoku-in brothers.