According to the book written by a researcher of specters, Katsumi TADA, it is considered as a Tsukumo-gami (gods to a variety of things), and according to the conjecture of an author named Kenji MURAKAMI, it appears in front of igo lovers.
妖怪研究家・多田克己の著書においては付喪神の一種とされ、作家・村上健司の推測によれば、囲碁の好きな者のもとに現れるものとされる。