Rating: 8.371/10

569 votes

Air Date: 2017-07-07

Genres: Animation • Drama • Action & Adventure • Sci-Fi & Fantasy •

Overview:

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.