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How far would you go… for the ones you love?
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.
Genres: Animation, Drama, Action & Adventure, Sci-Fi & Fantasy
First Air Date: 2017-07-07
Rating: 8.347 / 10 (593 votes)
Episode Runtime: 24 mins