In "Ise Monogatari" (The Tales of Ise), it is recorded that 'the passage of time is seen in the gray hair (tsukumo-gami) observed in the image of the girl I hear has been longing for me.'
伊勢物語には、「百年(ももとせ)に一とせ足らぬ九十九髪　我を恋ふらし俤(おもかげ)にみゆ」と記録されている。