Appearing within the Urban Legend Arc, the character known as "Old Woman" is the focus of a local rumor. This tale claims she haunts the mountainside, seizing victims by their ankles and dragging them to their deaths. Reigen Arataka and Shigeo Kageyama investigate this urban legend. Their inquiry uncovers the truth: the figure is an ordinary elderly woman engaged in her daily running routine. This character holds the distinction of being the first and only urban legend to psychologically unsettle Shigeo Kageyama, specifically by demonstrating superior running speed. The character's design and narrative draw inspiration from the real Japanese urban legend called the "100kph Granny" (100キロババア). According to that legend, a truck driver reported being overtaken by a running elderly woman wearing sandals.