'Genji no i' (The Power of Genji), that is, the book's main contents were the rightness of Kawachi-Genji's (the Minamoto clan's) military rule (during the Kamakura period and of the Muromachi government) and the stories of Togoku Samurai warriors who supported the military rule.
「源氏の威」すなわち河内源氏の武家政権（鎌倉時代及び室町幕府）の正当性とこれを支えた東国武士の活動を中心に描く。