Season 1

13 Episodes2017

Within the depths of the Abyss, a girl named Riko stumbles upon a robot who looks like a young boy. Riko and her new friend descend into uncharted territory to unlock its mysteries, but what lies in wait for them in the darkness?

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Episodes (13)

Ep 1

The City of the Great Pit

★7.5

2017-07-07•23m

While exploring the Abyss, Riko comes across something she has never seen before. How does this new discovery impact her?

Ep 2

Resurrection Festival

★7.5

2017-07-14•23m

Riko and Reg find out more about their past but the question still remains, who or what exactly is Reg?

Ep 3

Departure

★6.8

2017-07-21•23m

Reg goes on his first cave raid! Meanwhile, Riko makes preparations to go into the abyss to find her mother.

Ep 4

The Edge of the Abyss

★7.0

2017-07-28•23m

Riko and Reg start their adventure into the Abyss, while there they run into an unexpected familiar face.

Ep 5

Incinerator

★7.3

2017-08-04•23m

Riko and Reg descend into the Forest of Temptation. What new dangers will they find laying in wait for them there?

Ep 6

Seeker Camp

★5.9

2017-08-11•23m

Reg and Riko make it to the Seeker Camp where they meet Ozen the Immovable, the person who saved Riko all those years ago. But there is more to Ozen than meets the eye.

Ep 7

The Unmovable Sovereign

★7.6

2017-08-18•23m

Ozen reveals more about the Abyss as well as the truth behind Riko's origins. What will happen when Ozen shows her true colors?

Ep 8

Survival Training

★7.2

2017-08-25•23m

Ozen tasks Riko and Reg to survive alone outside the Seeker Camp. Do they come out alive and unscathed? Or does the Abyss have a dirty trick up its sleeve?

Ep 9

The Great Fault

★6.9

2017-09-01•23m

Reg and Riko continue their descent after they leave Ozen's Seeker Camp. Riko's mettle is tested as Reg passes out and she has to fend for herself.

Ep 10

Poison and the Curse

★7.5

2017-09-08•23m

Reg and Riko run into trouble deep in the fourth layer where they meet an interesting creature, but are they friend or foe?

Ep 11

Nanachi

★6.5

2017-09-15•23m

Nanachi sends Reg on a mission to find certain items that could possibly save Riko. Meanwhile, Nanachi reveals a little more about themself.

Ep 12

The True Nature of the Curse

★7.4

2017-09-22•23m

Nanachi shows Reg the truth about the Abyss. Meanwhile, Riko is still recovering from her injuries when she has a strange dream.

Ep 13

The Challengers

★8.1

2017-09-29•47m

Nanachi and Mitty's past is revealed. How did they become what they are and who is responsible for it? Meanwhile, Riko is on the mend after her injuries.