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.

Seasons

Season 1

13 episodes

The Golden City of the Scorching Sun

12 episodes

Cast

Miyu Tomita

Riko (voice)

Mariya Ise

Reg (voice)