In Iiyama, Shimominochi County, Shinano Province (present-day Nagano Prefecture), there was a farm family of the mother and the son, and when the son became ill, he began to suffer saying, 'A spider is coming, it's coming.'
信濃国（現・長野県）下水内郡飯山に、母子2人暮しの農家があったが、息子が病気になって「蜘蛛が来る、蜘蛛が来る」と言って苦しむようになった。