By the spread and use of 'rental bookstores' that dealt with such books, the appearance of each yokai became established among the general public, and that spread throughout Japan.
そしてそれらの書籍を扱う「貸本屋」の普及や利用により、庶民の中で各々の妖怪の様相が固定し、それが日本全国に広がっていった。