Kitsune no Oto

This is a story of a young hunter who claims to have seen a girl one day in a forest where it is said that anyone who enters will be spirited away. The villagers all dismiss him, saying, "There's no way someone could be there, he must have been tricked by a fox". The hunter enters the forest to find out the truth. There he finds a fairy-like woman who is indistinguishable from both a human and a fox...