Made in Abyss

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.

(Source: Anime News Network, edited)

Note: The last episode aired with a runtime of ~48 minutes as opposed to the standard 24 minute long episode.

Episode List (13)

Franchise & Related Anime (3)

Outdoor Activities 97% Survival 97% Primarily Child Cast 89% Environmental 89% Travel 88% Cosmic Horror 85% Body Horror 84% Curses 84% Tragedy 82% Chibi 82% Philosophy 80% Lost Civilization 79% Dungeon 78% Seinen 77% Female Protagonist 73% Gore 72% Orphan 72% Amnesia 71% Wilderness 70% Eco-Horror 70% Anthropomorphism 64% Robots 63% Male Protagonist 62% Steampunk 61% Nudity 56% Human Experimentation 53% Food 52% Amputation 50% School 46% Dissociative Identities 36% Crossdressing 34% Maids 33% Femboy 32% Religion 31% Time Manipulation 28% Rehabilitation 28%