Shigure Daniel Kai
main character
TV
5.0
My TrackerPLANNING
Episode: 0 / 12
My Score:
Anime DetailsFINISHED
Estimated watch time
4h 48m
⚡ 3 days at 5 eps/day
Tags & Tropes
Male Protagonist90%Disability60%CGI55%Pandemic54%Post-Apocalyptic53%Survival50%Guns46%Female Protagonist40%Tragedy20%Shapeshifting20%
TVFINISHED2021 FALL5.0 / 10 AniList score
Deep Insanity THE LOST CHILD
Deep Insanity THE LOST CHILD• Deep Insanity: THE LOST CHILD
Synopsis & Story
A mysterious illness has put millions in comas. An underground realm has appeared at its origin: Antarctica. Strange creatures make up its population, and undiscovered natural resources make it a gold mine. Many humans enter in search of fortune, but Daniel Kai Shigure searches for something deeper—a cure. Gifted with immunity to the illness, he might be humanity’s last hope. (Source: Funimation)
Trailer
Watch on YouTubeWhere to Watch Officially
Availability, audio and subtitles vary by region and service.
Featured Cast & Voice Actors
Franchise Universe & Related Entries
Aniphoria guide
Deep Insanity THE LOST CHILD: should you watch it?
At a glance
Deep Insanity THE LOST CHILD has been poorly received, with an average AniList score of 50/100 — 13% of 3,633 ratings are 8/10 or higher.
It ranks #25 most popular anime of Fall 2021 on AniList.
Of the 9.2K AniList users who started it, 32.8% dropped it, so it is frequently dropped; 4.1K have finished it.
At about 4 h 48 min in total, it is a short commitment — a weekend binge.
Best for viewers who enjoy Action, Adventure, Sci-Fi — especially male protagonist, disability.
Episodes
12 episodes are listed.
Main cast & creators
- Director
- Shin Oonuma
- Series composition
- Kento Shimoyama
- Character design
- Kazuyuki Yamayoshi
- Music
- Mirai Kodai Gakudan
Opening & ending themes
Openings
- OP1“Inochi no Tomoshibi” by Konomi Suzuki · eps 1-11
Endings
- ED1“Shinju-iro no Kakumei” by Kashitarou Itou · eps 2-12
Theme data from AnimeThemes.moe.
Deep Insanity THE LOST CHILD FAQ
- How many episodes does Deep Insanity THE LOST CHILD have?
- Deep Insanity THE LOST CHILD has 12 episodes of about 24 minutes each, roughly 4 h 48 min in total.
- How long does it take to watch Deep Insanity THE LOST CHILD?
- About 4 h 48 min back to back. At two episodes a day it takes 6 days; at one hour a day, about 5 days.
- Is Deep Insanity THE LOST CHILD finished?
- Yes. Deep Insanity THE LOST CHILD has finished airing — the final episode aired December 29, 2021.
- Is there a season 2 of Deep Insanity THE LOST CHILD?
- No sequel is listed for Deep Insanity THE LOST CHILD as of October 2026.
- Is Deep Insanity THE LOST CHILD based on a other source?
- Yes. Deep Insanity THE LOST CHILD adapts the other source.
- Who animated Deep Insanity THE LOST CHILD?
- Deep Insanity THE LOST CHILD was animated by SILVER LINK. and directed by Shin Oonuma.
- Who sings the opening of Deep Insanity THE LOST CHILD?
- The opening, "Inochi no Tomoshibi", is performed by Konomi Suzuki.
- Where can I watch Deep Insanity THE LOST CHILD?
- Deep Insanity THE LOST CHILD is listed on YouTube, Crunchyroll. Availability varies by region — check the streaming links on this page.