Amanda e Rudger, seu amigo imaginário, vivem altas aventuras. Mas eles acabam se separando e Rudger precisa enfrentar sozinho uma ameaça misteriosa.

After losing her parents in a car accident, Okko starts living in the countryside with her grandmother who runs a traditional Japanese inn. While she prepares to be the next owner of the inn, Okko can somehow see friendly ghosts.