One legend in the Kojiki (Japan's ancient chronicle) holds that Emperor Sujin's brother Hikoimasuno-miko exterminated KUGUMIMI no Mikasa, a tsuchigumo (those in ancient times who were not subjects of the Yamato court).
一つは、古事記に記された、崇神天皇の弟日子坐王（ひこいますのみこ）が土蜘蛛陸耳御笠（くぐみみのみかさ）を退治したという話。