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Region：Japan
Type：TV
English name：Deep Insanity: The Lost Child
Official name：Deep Insanity THE LOST CHILD
Chinese name：狂热深渊-迷失的孩子
Other names：ディープインサニティザ・ロストチャイルド
Premiered：October 12, 2021
Status：Finished Airing
Tags：Science fiction / Adventure / Combat / Source original
Original author：スクウェア・エニックス
Director：大沼心
Scenario：下山健人
Storyboard：なかの陽 / 岩畑剛一 / 大沼心 / 玉村仁 / 澤井幸次
Co-director：関根侑佑 / 小柴純弥 / 尾上皓紀 / 近橋伸隆 / 星野美鈴
Studios：SILVER LINK.
Production cooperation：KADOKAWA / コスモプロジェクト / BLADE / 日影工房
Producers：スクウェア・エニックス / KADOKAWA
Copyright：© Etorouji Shiono / SQUARE ENIX © 2021 SQUARE ENIX CO., LTD.
Family：Deep Insanity: The Lost Child
Official website：https://www.jp.square-enix.com/deepinsanity/anime/
Rating：12+

Deep Insanity: The Lost Child

The world is overrun with a mysterious condition known as "Randolph syndrome" which causes sudden comas.

Simultaneously, a massive underground realm known as "Asylum" in the South Pole was discovered & found to be the syndrome's origin.

Weird creatures, unlike any on the surface, dwell there with previously unknown natural resources.

To cure the Randolph syndrome (and to get rich plundering the creatures' genetic data and underground resources), people set foot in the Asylum.

PV EpisodesTiles view / List view

Main EpisodesTiles view / List view

Oct 12, 2021

EP1 - take 01

A strange disease is linked to a mysterious hole that leads to an underground world: the Asylum. Sleepers come to this world to fight strange monsters and retrieve unknown resources. Now, a young man who dreams of being a hero has arrived at the Asylum.
Oct 19, 2021

EP2 - take 02

As Shigure begins to settle into his new life as a Sleeper, he begins to wonder what he is good at and what he can accomplish at the Asylum.
Oct 26, 2021

EP3 - take 03

Larry goes on a dangerous and illegal mission deep in the Asylum and forces Shigure to go with him.
Nov 2, 2021

EP4 - take 04

Shigure delves into XO Leslie's past when a mysterious assailant suddenly ambushes him.
Nov 9, 2021

EP5 - take 05

Shigure is always embarrassed around Kobato and the rest of the team thinks he might have a crush on her. They hatch a plan to bring them together, but...
Nov 16, 2021

EP6 - take 06

The day of the plan has arrived and the team heads towards the Asylum. But when Hayden shows up during the mission, things go terribly wrong.
Nov 23, 2021

EP7 - take 07

With Leslie's death, the team is forced to find its way alone. And Shigure starts to have doubts about his mission...
Nov 30, 2021

EP8 - take 08

With strong pressure from the command hierarchy, Vera decides to lead a mission to the Asylum on her own.
Dec 7, 2021

EP9 - take 09

Vera is trapped in a time loop as she tries to complete her assassination mission. She reflects on the best way to make the mission successful.
Dec 14, 2021

EP10 - Re:take

Vera drives Shigure away from the platoon, but he's not ready to leave the Asylum... yet.
Dec 21, 2021

EP11 - Revolution

Now trapped in a time loop, Shigure struggles to unravel the mystery behind EL-Cee and Iceman's plans.
Dec 28, 2021

EP12 - Resolution

Shigure travels through time once more to save Vera and stop Iceman from destroying the world.