However, this book is not extant today becoming 'the illusory historical tale' because it covered only short period of time and there were many narratives which dealt with the same period as "Heike Monogatari" (The Tale of the Heike), in addition to the influence of the disturbances of wars.
だが、扱っていた時代が短く、かつ『平家物語』などの同時期を扱った物語などが多く存在した事やその後の戦乱の影響もあったためか、今日では現存しておらず「幻の歴史物語」となってしまった。