Stars: Mitsuki Saiga, Misaki Kuno, Mutsumi Tamura, John Swasey, Hilary Haag
We step into a world full of huge caves and holes called Abyss; Where caves are unexplored places, no one knows how deep a cave or hole is, and it is said that mysterious creatures unknown to modern humans live in these caves. Over the generations, many adventurers have stepped into the caves, many stories have been formed, and the people who find the courage to step into these places are known as "cave walkers". In the city of "Osu" which is located on the edge of the Abyss region, there lives an orphan named "Riko" who wishes to step into the caves like his mother, who was once a cave explorer, and uncover the secrets of these mysterious places. One day, Rico steps into a cave and encounters a boy... a boy who is apparently a robot and...
Stars: Inori Minase, Maaya Sakamoto, Eri Kitamura, Shiori Izawa, Christine M. Auten
The Abyss is the last undiscovered place on earth. Strange and extraordinary creatures frequented it, and it is full of sacred relics that modern humans cannot recreate. Those who dare to explore the depths are known as cave raiders. An orphan girl named Rico dreams of becoming a cave raider like her mother and solving the mysteries of the cave system.
Stars: Inori Minase, Maaya Sakamoto, Manami Numakura, Eri Kitamura, Shiori Izawa
After leaving Camp Ozen, Yoko and Reg continue their adventure and this time they face more dangers as they get closer to the Abyss and...
Stars: Maaya Sakamoto, Adam Gibbs, Manami Numakura, Christine M. Auten, Mike Boike
A girl named Rico, along with her robot friend, Reg, goes on a journey to a deadly valley called the Abyss to find her missing mother and...
