Iori Saeki (佐伯伊織 ) also known by the stage name NU-KO, is a Japanese singer and voice actress affiliated with Swallow. Beginning her activities as a dōjin (self-published) musician in 2012, she began voice acting activities in 2018. She is known for her roles as King Halo in Uma Musume Pretty Derby, Maiko Kurashiki in Hachigatsu no Cinderella Nine, and Kimie "Tanpopo" Kamata in Oresuki.
Known For

The Shy Hero and the Assassin Princesses
Ciel (voice) · (2 episodes)
2025

Uma Musume: Pretty Derby - Road to the Top
King Halo (voice)
2024

Umamusume Pretty Derby 5th EVENT ARENA TOUR "GO BEYOND" - YELL - & - NEW GATE -
King Halo
2024

Pon no Michi
Pai Kawahigashi (voice) · (12 episodes)
2024

Uma Musume Pretty Derby 5th EVENT ARENA TOUR GO BEYOND -WISH- & -GAZE-
King Halo
2023

The Dreaming Boy Is a Realist
Mina Ichinose (voice) · (12 episodes)
2023

The Tale of Outcasts
Vivian (voice) · (13 episodes)
2023

Saving 80,000 Gold in Another World for My Retirement
Ilse (voice) · (4 episodes)
2023

The Iceblade Sorcerer Shall Rule the World
Amelia Rose (voice) · (12 episodes)
2023

Umayuru
King Halo (voice) · (28 episodes)
2022

Tokyo Mew Mew New
Moe Yanagida (voice) · (24 episodes)
2022

The Executioner and Her Way of Life
Menou (voice) · (12 episodes)
2022

Aharen-san wa Hakarenai
Henzan-sensei (voice) · (4 episodes)
2022

Aharen-san wa Hakarenai
Nukko the Tanuki (voice) · (1 episode)
2022

Uma Musume Pretty Derby 4th EVENT "SPECIAL DREAMERS!!"
King Halo
2022

Akebi's Sailor Uniform
Mika (voice) · (2 episodes)
2022

Muv-Luv Alternative
Kei Ayamine (voice) · (24 episodes)
2021

How a Realist Hero Rebuilt the Kingdom
Julia (voice) · (2 episodes)
2021

Revue Starlight: The Movie
(voice)
2021

Adachi and Shimamura
Yashiro Chikama (voice) · (12 episodes)
2020

Revue Starlight: Rondo Rondo Rondo
Class B Costumer (voice)
2020

Umayon
King Halo (voice) · (12 episodes)
2020

Lapis Re:LiGHTs
Ashley (voice) · (12 episodes)
2020

Revue Starlight 3rd StarLive "Starry Diamond"
Yuyuko Tanaka
2020

Revue Starlight 3rd StarLive "Starry Diamond" - Documentary
Self
2020

Nekopara
Vanilla (voice) · (12 episodes)
2020

Rebirth
Kozue Kasugai (voice) · (48 episodes)
2020

ORESUKI Are you the only one who loves me?
Kimie "Tampopo" Kamata (voice) · (6 episodes)
2019

Shoujo☆Conte All Starlight
Yuyuko Tanaka · (26 episodes)
2019

Cinderella Nine
Maiko Kurashiki (voice) · (12 episodes)
2019

Demon Slayer: Kimetsu no Yaiba
(voice) · (2 episodes)
2019

The Quintessential Quintuplets
Tsubaki (voice) · (4 episodes)
2019

Revue Starlight
Hinano Kyomoto (voice) · (1 episode)
2018

Revue Starlight
Marina Banbaen (voice) · (1 episode)
2018

Revue Starlight
Child (voice) · (1 episode)
2018

Revue Starlight
Class B Costumer (voice) · (1 episode)
2018

Revue Starlight
Classmate (voice) · (1 episode)
2018

巧克力与香子兰 ネコぱらOVA
2017