Its descriptions of TAIRA no Shigemori's entry to the priesthood, the repair of Owada no tomari (Owada port) by TAIRA no Kiyomori, the uprising of Prince Mochihito, the Battle of Fujigawa and so on differ from those in other war chronicles such as Heike Monogatari (The Tale of the Heike) and Genpei Seisui ki (The Rise and Fall of the Minamoto and the Taira clans), and it displays differences in historical evidence.
平重盛の出家、平清盛による大輪田泊の改修、以仁王の挙兵、富士川の戦いなどにおいて、平家物語や源平盛衰記などの軍記物語とは異なる記述があり、史実の相違を示している。