In an underground world where tunnels extend everywhere, even though they live in dark and

Director: Yasuhiro Yoshiura

Genre: Adventure, Animation, Drama, Fantasy, Science Fiction

Cast: Genki Muro, Go Shinomiya, Hiroki Yasumoto, Maaya Uchida, Masayuki Katou, Nobuhiko Okamoto, Shintarou Oohata, Shinya Fukumatsu, Takaya Hashi, Yukiyo Fujii