© 2026 The Couch Critic
Status
Ended
Release
2017 - 2022
Seasons / Eps
2 / 25
HiDive
Hidive Amazon Channel
Amazon Video
Apple TV Store
Google Play Movies
Fandango At Home"How far would you go… for the ones you love?"
Located in the center of a remote island, the Abyss is the last unexplored region, a huge and treacherous fathomless hole inhabited by strange creatures where only the bravest adventurers descend in search of ancient relics. In the upper levels of the Abyss, Riko, a girl who dreams of becoming an explorer, stumbles upon a mysterious little boy.
27 Cast Members
Miyu Tomita
Riko (voice)
25 Episodes
Mariya Ise
Reg (voice)
25 Episodes
Shiori Izawa
Nanachi (voice)
16 Episodes
Misaki Kuno
Faputa (voice)
12 Episodes
Maaya Sakamoto
Lyza (voice)
1 Episodes
Mutsumi Tamura
Nat (voice)
7 Episodes
Manami Numakura
Shiggy (voice)
7 Episodes
Aki Toyosaki
Marulk (voice)
5 Episodes
Sayaka Ohara
Ozen (voice)
5 Episodes
Manami Hanawa
Kiyui (voice)
5 Episodes
Taishi Murata
Jiruo (voice)
4 Episodes
Tetsu Inada
Habo (voice)
4 Episodes
Eri Kitamura
Mitty (voice)
3 Episodes
Yuuki Shin
Kanshū (voice)
1 Episodes
Toshiyuki Morikawa
Bondrewd (voice)
2 Episodes
Yoko Soumi
Principal (voice)
2 Episodes
Hitomi Nabatame
Laffi (voice)
2 Episodes
Takayuki Nakatsukasa
Zapo-jii (voice)
2 Episodes
Yoshihisa Kawahara
Shimredd (voice)
2 Episodes
Rina Hidaka
Mio (voice)
1 Episodes
