Located in the center of a remote island, the Abyss is the last unexplored region, a huge and treacherous fathomless hole inhabited by strange creatures where only the bravest adventurers descend in search of ancient relics. In the upper levels of the Abyss, Riko, a girl who dreams of becoming an explorer, stumbles upon a mysterious little boy.

Cast:Miyu Tomita, Mariya Ise,

Genre:Animation, Drama, Action & Adventure, Sci-Fi & Fantasy,

country:Japan,

Production:Kinema Citrus, KADOKAWA, Cygames, Takeshobo, AT-X, Sony Music Communications, Kanetsu Investment, Global Solutions, KADOKAWA Media House,