A young girl, from a civilization that resides in deep underground tunnels, finds herself trapped in an inverted world and teams up with a resident to escape and return home.

Cast:Yukiyo Fujii, Nobuhiko Okamoto, Takaya Hashi, Shintaro Ohata, Shinya Fukumatsu, Masayuki Katou,

Genre:Animation, Science Fiction, Adventure, Drama,

country:Japan,

Production:Purple Cow Studios Japan, STUDIO RIKKA, Asmik Ace, Good Smile Company, KADOKAWA, Directions,