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Iori Saeki
ACTOR

Iori Saeki

Known for Demon Slayer: Kimetsu no Yaiba · The Quintessential Quintuplets · ORESUKI Are you the only one who loves me?

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.

Snapshot 2026-10-15

Born
Jul 22, 1994
Birthplace
Kanagawa, Japan
Known For
Acting

Biography

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.

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Known For

TVDemon Slayer: Kimetsu no Yaiba
Demon Slayer: Kimetsu no Yaiba(voice) · 2019
★ 8.6
TVThe Quintessential Quintuplets
The Quintessential QuintupletsTsubaki (voice) · 2019
★ 8.4
TVORESUKI Are you the only one who loves me?
ORESUKI Are you the only one who loves me?Kimie "Tampopo" Kamata (voice) · 2019
★ 8.4

Filmography

Movies

Weathering with You(voice)
2019
Revue Starlight 3rd StarLive "Starry Diamond"Yuyuko Tanaka
2020
Revue Starlight 3rd StarLive "Starry Diamond" - DocumentarySelf
2020
Revue Starlight: Rondo Rondo RondoClass B Costumer (voice)
2020
Revue Starlight: The Movie(voice)
2021
ラピスリライツ・スターズ 1st Orchestra「LIGHT UP the MAGIC」
2021
Mirage Queen Prefers CircusAi Iwasaki (voice)
2022
The Quintessential Quintuplets MovieTsubaki (voice)
2022
Uma Musume Pretty Derby 4th EVENT "SPECIAL DREAMERS!!"King Halo
2022
SSSS.DYNAZENON Grand EpisodeKano Minami (voice)
2023
The Quintessential Quintuplets∽Tsubaki (voice)
2023
Uma Musume Pretty Derby 5th EVENT ARENA TOUR GO BEYOND -WISH- & -GAZE-King Halo
2023
Uma Musume Pretty Derby 5th EVENT ARENA TOUR "GO BEYOND" - YELL - & - NEW GATE -King Halo
2024
Umamusume: Pretty Derby - Beginning of a New EraKing Halo (voice)
2024
Umamusume: Pretty Derby - Road to the Top MovieKing Halo (voice)
2024
100 METERSKawano (voice)
2025

Television

Revue StarlightHinano Kyomoto (voice) · 1 eps
2018
Revue StarlightMarina Banbaen (voice) · 1 eps
2018
Revue StarlightChild (voice) · 1 eps
2018
Revue StarlightClass B Costumer (voice) · 1 eps
2018
Revue StarlightClassmate (voice) · 1 eps
2018
Cinderella NineMaiko Kurashiki (voice) · 12 eps
2019
Demon Slayer: Kimetsu no Yaiba(voice) · 2 eps
2019
ORESUKI Are you the only one who loves me?Kimie "Tampopo" Kamata (voice) · 6 eps
2019
Shoujo☆Conte All StarlightYuyuko Tanaka · 26 eps
2019
The Quintessential QuintupletsTsubaki (voice) · 4 eps
2019
Adachi and ShimamuraYashiro Chikama (voice) · 12 eps
2020
Lapis Re:LiGHTsAshley (voice) · 12 eps
2020
NekoparaVanilla (voice) · 12 eps
2020
RebirthKozue Kasugai (voice) · 48 eps
2020
UmayonKing Halo (voice) · 12 eps
2020
How a Realist Hero Rebuilt the KingdomJulia (voice) · 2 eps
2021
Muv-Luv AlternativeKei Ayamine (voice) · 24 eps
2021
SSSS.DYNAZENONCollege student β (voice) · 1 eps
2021
SSSS.DYNAZENONKano Minami (voice) · 4 eps
2021
Aharen-san wa HakarenaiHenzan-sensei (voice) · 4 eps
2022
Aharen-san wa HakarenaiNukko the Tanuki (voice) · 1 eps
2022
Akebi's Sailor UniformMika (voice) · 2 eps
2022
The Executioner and Her Way of LifeMenou (voice) · 12 eps
2022
Tokyo Mew Mew NewMoe Yanagida (voice) · 24 eps
2022
UmayuruKing Halo (voice) · 28 eps
2022
Blue OrchestraRika Togane (voice) · 10 eps
2023
Saving 80,000 Gold in Another World for My RetirementIlse (voice) · 4 eps
2023
The Dreaming Boy Is a RealistMina Ichinose (voice) · 12 eps
2023
The Iceblade Sorcerer Shall Rule the WorldAmelia Rose (voice) · 24 eps
2023
The Tale of OutcastsVivian (voice) · 13 eps
2023
Pon no MichiPai Kawahigashi (voice) · 12 eps
2024
Vampire DormitoryWoman C (voice) · 1 eps
2024
A Mangaka's Weirdly Wonderful WorkplaceShiori Asakura (voice) · 13 eps
2025
Harmony of Mille-FeuilleSayaka Iguchi (voice) · 4 eps
2025
The Shy Hero and the Assassin PrincessesCiel (voice) · 12 eps
2025
Umayuru: Pretty GrayKing Halo (voice) · 1 eps
2025
An Observation Log of My Fiancée Who Calls Herself a VillainessSilica Lunea (voice) · 12 eps
2026
Journal with WitchMotchi (voice) · 3 eps
2026
Noble Reincarnation: Born Blessed, So I'll Obtain Ultimate PowerShirley Grantz (voice) · 12 eps
2026
TETSURYO! Meet with Tetsudou MusumeAzami Takashima (voice) · 12 eps
2026
Maiden BloodEva (Voice) · 1 eps
The Moon on a Rainy NightSaki Kindaichi (voice) · 1 eps

Photos

Iori Saeki photo
Iori Saeki photo
Iori Saeki photo
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