Made in Abyss is a tV series anime that premiered in summer 2017, produced by Kinema Citrus.

About the production: the story comes from a manga, there are 13 episodes of about 25 minutes and its current status is "finished".

Its main genres are adventure, drama, fantasy, horror, mystery and sci-fi, with themes such as Survival, Outdoor Activities, Primarily Child Cast and Environmental.

On AniList, Made in Abyss has an average score of 84%, a very good score, and appears on 412,574 users' lists.

The franchise continues in or follows from: Made in Abyss: Fukaki Tamashii no Reimei.

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.

Official synopsis from AniList.