While following secret tunnels toward the palace, Touko and Koushi suddenly find themselves in the middle of the dark forest. They still have a letter to deliver, but the divine clans won't make the journey easy.
Genres: Animation , Drama , Mystery , Sci-Fi & Fantasy
Keywords: anime , based-on-light-novel , monster , post-war , spontaneous-combustion , supernatural-creature , survival , watch-anime-series-online