M3: The Dark Metal

While the Lightless Realm continues to expand, the whereabouts of Akashi Saginuma remain unknown. Iwato and the other students left behind find out that they are known as the “children spirited away”. As the reasons why they were gathered together become more apparent, Mahmu decides to pilot Sable, the second machine, in order to grant Emiru's wishes.

All Episodes - Season 1

Episode 1

Starry Night

Episode 2

Embraced by The Reaper

Episode 3

Seam of the Past

Episode 4

Danger, Do Not Mix

Episode 5

Self in Vain

Episode 6

Terror Fading Into Death

Episode 7

Command of Solitude

Episode 8

Reckless Forbidden Realm

Episode 9

Blue Hart of Steel

Episode 10

Your Song

Episode 11

Red Lament of Cruelty

Episode 12

What Links Two People

Episode 13

Roar of the Beast

Episode 14

Sounds of Regret

Episode 15

Vacant Heart of Morning Gray

Episode 16

Promised Together

Episode 17

Light of the Lightless

Episode 18

The Truth of Yomijima

Episode 19

The Black Sunset

Episode 20

Overlapping Sound of Love

Episode 21

You Will, to the Birth Cry of the End

Episode 22

Light, and Then Light

Episode 23

Proof of the Strongest

Episode 24

Original Sin, Past and Future