Synopsis
The "Abyss" is the last unexplored place in the world. Strange and wonderful creatures roam within, and it is full of precious relics that present humans can't recreate. Those that dare to explore the depths are known as "Cave Raiders." An orphan girl named Riko lives on the rim. Her dream is to become a Cave Raider like her mother and solve the mysteries of the cave system. One day, Riko starts exploring the caves and discovers a robot who resembles a human boy. Note: The last episode aired with a runtime of ~48 minutes as opposed to the standard 24 minute long episode.
Episodes (13)
13 episodes
EP 01 The City of the Great Pit
While exploring the Abyss, Riko comes across something she has never seen before...
EP 02 Resurrection Festival
Riko and Reg find out more about their past but the question still remains, who ...
EP 03 Departure
Reg goes on his first cave raid! Meanwhile, Riko makes preparations to go into t...
EP 04 The Edge of the Abyss
Riko and Reg start their adventure into the Abyss, while there they run into an ...
EP 05 Incinerator
Riko and Reg descend into the Forest of Temptation. What new dangers will they f...
EP 06 Seeker Camp
Reg and Riko make it to the Seeker Camp where they meet Ozen the Immovable, the ...
EP 07 The Unmovable Sovereign
Ozen reveals more about the Abyss as well as the truth behind Riko's origins. Wh...
EP 08 Survival Training
Ozen tasks Riko and Reg to survive alone outside the Seeker Camp. Do they come o...
EP 09 The Great Fault
Reg and Riko continue their descent after they leave Ozen's Seeker Camp. Riko's ...
EP 10 Poison and the Curse
Reg and Riko run into trouble deep in the fourth layer where they meet an intere...
EP 11 Nanachi
sends Reg on a mission to find certain items that could possibly save Riko. Mean...
EP 12 The True Nature of the Curse
Nanachi shows Reg the truth about the Abyss. Meanwhile, Riko is still recovering...
EP 13 The Challengers
Nanachi and Mitty's past is revealed. How did they become what they are and who ...