It regarded history from the Emperor Jinmu to the Emperor Juntoku as the transition from the age of aristocracy to the age of warriors, and described it in Kana-bun (publication in kana alone) based on Mappo-shiso (the "end of the world" belief) and the idea of 'Dori (Order).'
神武天皇から順徳天皇までの歴史を、貴族の時代から武士の時代への転換と捕らえ、末法思想と「道理」の理念とに基づいて、仮名文で述べたもの。