In the background of the popularity of this book, there was not only the Japanese people's sympathy for Yoshitsune (Hogan-biiki), but also the trend that existed at that time, in which the Japanese society was keen to extend its territory toward the continent, and this was a phenomenon comparable with the legend of Yoshitsune's migration to Ezo (Hokkaido) called Nyui Densetsu, which was born with the rise of the people' interest in Ezo during the Edo period just as two sides of the same coin.
この本が受け入れられた背景として、日本人の判官贔屓の心情だけではなく、かつての入夷伝説の形成が江戸期における蝦夷地への関心と表裏であったように、領土拡大、大陸進出に突き進んでいた当時の日本社会の風潮があった。