Made in Abyss: The Golden City of the Scorching Sun

Made in Abyss: The Golden City of the Scorching Sun is also listed as Made in Abyss: Retsujitsu no Ougonkyou on some trackers — same show, different title convention. Kinema Citrus is the animation studio behind this TV series across 12 episodes. The run is complete — no gaps waiting on new episodes.

It's filed here as Adventure, Drama, and Fantasy, which is usually the fastest way people find it while browsing by genre. Looking for something similar? No Game, No Life is the nearest match on the shelf right now.