After surviving the brutal challenges of Idofront, Riko now possesses a White Whistle, allowing her to descend into the Abyss's sixth layer—The Capital of the Unreturned. Alongside Reg and Nanachi, Riko begins to explore the uncharted domain, where the ruins of the promised Golden City are located.
As the trio starts to adapt to the harsh environment, they soon encounter dangerous creatures and treacherous landscapes. Their expedition leads them to a village inhabited by strange beings known as "hollows." Despite the creeping sense of unease that welcomes them, the three venture onward to uncover the mysteries of the settlement and long-lost legacies of the forgotten adventurers who once descended into the horrors of the unexplored Abyss.+ More
More Seasons
Characters & Voice Actors
Recommended for you
Shin Kaitei Gunkan
OVA
50m
To Heart: Remember My Memories Specials
Special
3m
UFO Senshi Dai Apolon
TV
24m
Utsunomiko: Heaven Chapter
OVA
30m
KADO: The Right Answer – Ekwari
Special
23m
SF Shinseiki Lensman
Movie
107m
Fables of the Green Forest
TV
26m
Elf Princess Rane
OVA
27m
Amnesia
TV
23m
Assemble Insert
OVA
29m
Baoh the Visitor
OVA
46m
Brain Powerd
TV
25m
D4 Princess
TV
8m
Earthian
OVA
35m
