Season 1
Within the depths of the Abyss, a girl named Riko stumbles upon a robot who looks like a young boy. Riko and her new friend descend into uncharted territory to unlock its mysteries, but what lies in wait for them in the darkness?
Episodes
1 The City of the Great Pit Jul 7, 2017 
2 Resurrection Festival Jul 14, 2017 
3 Departure Jul 21, 2017 
4 The Edge of the Abyss Jul 28, 2017 
5 Incinerator Aug 4, 2017 
6 Seeker Camp Aug 11, 2017 
7 The Unmovable Sovereign Aug 18, 2017 
8 Survival Training Aug 25, 2017 
9 The Great Fault Sep 1, 2017 
10 Poison and the Curse Sep 8, 2017 
11 Nanachi Sep 15, 2017 
12 The True Nature of the Curse Sep 22, 2017 
13 The Challengers Sep 29, 2017