Iori Saeki

Acting · b. 1994 · Kanagawa, Japan

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

8.6

Demon Slayer: Kimetsu no Yaiba

2019 · Series · (voice)

7.1

The Iceblade Sorcerer Shall Rule the World

2023 · Series · Amelia Rose (voice)

6.8

Adachi and Shimamura

2020 · Series · Yashiro Chikama (voice)

7.0

The Dreaming Boy Is a Realist

2023 · Series · Mina Ichinose (voice)

7.1

The Executioner and Her Way of Life

2022 · Series · Menou (voice)

7.6

Noble Reincarnation: Born Blessed, So I'll Obtain Ultimate Power

2026 · Series · Shirley Grantz (voice)

8.4

The Quintessential Quintuplets

2019 · Series · Tsubaki (voice)

7.6

An Observation Log of My Fiancée Who Calls Herself a Villainess

2026 · Series · Silica Lunea (voice)

6.3

Nekopara

2020 · Series · Vanilla (voice)

6.9

Blue Orchestra

2023 · Series · Rika Togane (voice)

5.3

Muv-Luv Alternative

2021 · Series · Kei Ayamine (voice)

6.4

The Shy Hero and the Assassin Princesses

2025 · Series · Ciel (voice)

All acting credits46

8.6

Journal with Witch

2026 · Series · Motchi (voice)

7.6

An Observation Log of My Fiancée Who Calls Herself a Villainess

2026 · Series · Silica Lunea (voice)

7.6

Noble Reincarnation: Born Blessed, So I'll Obtain Ultimate Power

2026 · Series · Shirley Grantz (voice)

7.5

A Mangaka's Weirdly Wonderful Workplace

2025 · Series · Shiori Asakura (voice)

6.4

The Shy Hero and the Assassin Princesses

2025 · Series · Ciel (voice)

6.8

Harmony of Mille-Feuille

2025 · Series · Sayaka Iguchi (voice)

7.8

100 METERS

2025 · Kawano (voice)

6.0

Umayuru: Pretty Gray

2025 · Series · King Halo (voice)

4.7

Vampire Dormitory

2024 · Series · Woman C (voice)

6.4

Pon no Michi

2024 · Series · Pai Kawahigashi (voice)

8.6

Umamusume: Pretty Derby - Beginning of a New Era

2024 · King Halo (voice)

8.3

Umamusume: Pretty Derby - Road to the Top Movie

2024 · King Halo (voice)

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

2024 · King Halo

6.2

The Tale of Outcasts

2023 · Series · Vivian (voice)

6.9