When Yoshitune was being pursued by his brother Yoritomo, and was fleeing through Mt. Yoshino, a white fox in the form of Tadanobu SATO protected Shizuka Gozen from harm.
義経が兄頼朝に追われ、吉野山まで逃げる道中、佐藤忠信に化けた白狐が、静御前を守り通した。