It was written by an unknown author and is set in Tosa Province (now Kōchi Prefecture), with 16 sections about yōkai in total; it was created during the Edo period.
It is notable for collecting folktales from Tosa during the Edo period, including the Kechibi and the Yamajijii among others.
[2][4] The Horimi family copy is held at the Kōchi Prefectural Museum of History.
[12] The works of the Sawaka Education Committee collection were made in Ansei 6 (1859), according to the statements in the end of the book.
[2][3] However, because the sequence of tales and the characteristics of the yōkai are different than the private collection, it is not simply a reproduction; the chronology of the owners of the Sawaka Education Committee collection is also unclear, so how the book was drawn and passed down still awaits further research.