Other name: バーバ・ヤガー, Baaba Yagaa, Baba Yaga
Summary: In a forest on a mountain, a class is out on excursion. A girl strays from her group and meets a witch. She escapes, but when she groups up with her classmates no one believes her, except for her best friend. After the class returns to the mountain for a reunion after graduating, old memories resurface. Why does the girl still insist she saw a witch? Does she really believe it herself?