Although it is told that he was a person who lived in the era of the Emperor Genmei or the period around Gangyo era, he is a mysterious person for whom it is not known whether or not he really existed.
元明天皇時代、または元慶年間ころの人物とも言われるが、本当に実在した人物かどうかすら不明の、謎の人物。