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.
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Release Date: 2015-07-07
Vote Average: 6.49
Media Type: tv
Release Date: 2023-10-02
Vote Average: 6.3
Media Type: tv
