Aired: 10/13/2021
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.
Aired: 10/20/2021
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.
Aired: 10/27/2021
Larry goes on a dangerous and illegal mission deep in the Asylum and forces Shigure to go with him.
Aired: 11/3/2021
Shigure delves into XO Leslie's past when a mysterious assailant suddenly ambushes him.
Aired: 11/10/2021
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...
Aired: 11/17/2021
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.
Aired: 11/24/2021
With Leslie's death, the team is forced to find its way alone. And Shigure starts to have doubts about his mission...
Aired: 12/1/2021
With strong pressure from the command hierarchy, Vera decides to lead a mission to the Asylum on her own.
Aired: 12/8/2021
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.
Aired: 12/15/2021
Vera drives Shigure away from the platoon, but he's not ready to leave the Asylum... yet.
Aired: 12/22/2021
Now trapped in a time loop, Shigure struggles to unravel the mystery behind EL-Cee and Iceman's plans.
Aired: 12/29/2021
Shigure travels through time once more to save Vera and stop Iceman from destroying the world.
