Air date: 2021-10-13

Runtime: 24 min

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.

Air date: 2021-10-20

Runtime: 24 min

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.

Air date: 2021-10-27

Runtime: 24 min

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

Air date: 2021-11-03

Runtime: 24 min

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

Air date: 2021-11-10

Runtime: 24 min

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...

Air date: 2021-11-17

Runtime: 24 min

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.

Air date: 2021-11-24

Runtime: 24 min

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

Air date: 2021-12-01

Runtime: 24 min

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

Air date: 2021-12-08

Runtime: 24 min

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.

Air date: 2021-12-15

Runtime: 24 min

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

Air date: 2021-12-22

Runtime: 24 min

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

Air date: 2021-12-29

Runtime: 24 min

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