Deep Insanity: The Lost Child

A tense, eerie descent into a mysterious underworld, blending survival action with psychological unease and ambition.

Created by

Junya Koshiba, Kouki Onoue

Genres

Animation, Sci-fi & fantasy, Action & adventure

Starring

Hiro Shimono, Ami Koshimizu, Kohsuke Toriumi

Overview

Madness and unawakening sleep, Randolph syndrome. This new illness is slowly but steadily approaching humanity, caused by the huge underground world Asylum that appeared in Antarctica. There are strange creatures different from the earth, and unknown resources. People bet their lives on the depths of the mysterious new world to get huge wealth, organizational plots, or their own ambitions. And here alone, a young man with a wish in his heart is trying to challenge the front line of Asylum.

How it feels

Dark, tense and eerie. Brisk and needs your attention.

About

Survival, ambition, mystery, isolation

Content

Strong violence. Mild gore and language. No sexual content.

Note

Written by AI, so it can be wrong. Full breakdown

Your rating is saved. See your suggestions, or find titles like this one below.

Rate it, and Mesmero finds titles that feel like it. You do not need an account.

Watch the trailer on YouTube (opens in a new tab)