Trailer #1
Trailer #1
Trailer #1


Season 1

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  • Versions: Home Video (TV-MA)
  • Audio: Japanese English
  • Subtitles: English


Season 1 | 13 Episodes

E1 | The City of the Great Pit

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

E2 | Resurrection Festival

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

E3 | Departure

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

E4 | The Edge of the Abyss

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

E5 | Incinerator

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

E6 | Seeker Camp

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...

E7 | The Unmovable Sovereign

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

E8 | Survival Training

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?

E9 | The Great Fault

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.

E10 | Poison and the Curse

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

E11 | Nanachi

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

E12 | The True Nature of the Curse

Nanachi shows Reg the truth about the Abyss. Meanwhile, Riko has a strange dream as she recovers from her injuries.

E13 | The Challengers

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.



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