Iori Saeki

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.

Known for

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100 METERS

2025 ⭐ 7.8

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Umamusume: Pretty Derby - Beginning of a New Era

2024 ⭐ 8.3

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Umamusume: Pretty Derby - Road to the Top Movie

2024 ⭐ 7.8

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The Quintessential Quintuplets∽

2023 ⭐ 6.3

Career timeline

2025

100 METERS Notable

Kawano (voice) · 2025

⭐ 7.8

2024

Umamusume: Pretty Derby - Beginning of a New Era Notable

King Halo (voice) · 2024

⭐ 8.3

Umamusume: Pretty Derby - Road to the Top Movie Notable

King Halo (voice) · 2024

⭐ 7.8

Uma Musume Pretty Derby 5th EVENT ARENA TOUR "GO BEYOND" - YELL - & - NEW GATE -

King Halo · 2024

2023

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

King Halo · 2023

The Quintessential Quintuplets∽

Tsubaki (voice) · 2023

⭐ 6.3

2022

Uma Musume Pretty Derby 4th EVENT "SPECIAL DREAMERS!!"

King Halo · 2022

2021

Revue Starlight: The Movie Notable

(voice) · 2021

⭐ 8.3

2020

Revue Starlight: Rondo Rondo Rondo Notable

Class B Costumer (voice) · 2020

⭐ 8.1

Revue Starlight 3rd StarLive "Starry Diamond"

Yuyuko Tanaka · 2020

Revue Starlight 3rd StarLive "Starry Diamond" - Documentary

Self · 2020

2019

Weathering with You Notable

(voice) · 2019

⭐ 8.0

Frequently appears with

Tori Matsuzaka

Togashi (voice)

Shota Sometani

Komiya (voice)

Yuma Uchida

Kabaki (voice)

Koki Uchiyama

Zaitsu (voice)

Kenjiro Tsuda

Kaido (voice)

Yuri Fujimoto

Jungle Pocket (voice)

Sumire Uesaka

Agnes Tachyon (voice)

Yui Ogura

Manhattan Cafe (voice)

Haruna Fukushima

Dantsu Flame (voice)

Sora Tokui

T.M. Opera O (voice)

Full filmography

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100 METERS

2025 ⭐ 7.8

HD

Umamusume: Pretty Derby - Beginning of a New Era

2024 ⭐ 8.3

HD

Umamusume: Pretty Derby - Road to the Top Movie

2024 ⭐ 7.8

HD

Uma Musume Pretty Derby 5th EVENT ARENA TOUR "GO BEYOND" - YELL - & - NEW GATE -

2024

HD

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

2023

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The Quintessential Quintuplets∽

2023 ⭐ 6.3

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Uma Musume Pretty Derby 4th EVENT "SPECIAL DREAMERS!!"

2022

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Revue Starlight: The Movie

2021 ⭐ 8.3

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Revue Starlight: Rondo Rondo Rondo

2020 ⭐ 8.1

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Revue Starlight 3rd StarLive "Starry Diamond"

2020

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Revue Starlight 3rd StarLive "Starry Diamond" - Documentary

2020

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Weathering with You

2019 ⭐ 8.0