Rutile, the witch who lives in Ur's Forest. When she was young, her grandmother told her, "A witch must never tell a lie," and she has kept that promise. However, on her 17th birthday, not wanting to sadden her friend, she conveys a false fortune-telling result. Immediately after, Rutile vomits blood and dies, but for some reason, she revives right away... The story of Rutile, who has lived quietly as the last witch of the forest, begins to unfold.