Moeka Koizumi
Biography
Moeka Koizumi is a Japanese actress, voice actress, and singer born on February 27, 1996, in Amagasaki, Hyogo Prefecture. She is affiliated with Amuse and won the grand prix in the singing and voice acting area of the Amuse Audition Festival 2014, leading to her debut in 2015. In 2021, she formed the musical duo harmoe with Haruki Iwata under the management of Pony Canyon, with their first single, Kimagure Tictack, reaching the 11th place on the daily Oricon Singles Chart. She is best known for her roles as Nana Daiba in Revue Starlight, Shioriko Mifune in Love Live! Nijigasaki High School Idol Club, and Jennifer Yuka Sasago in D4DJ. Her stage name is also written as 小泉萌香 and Koizumi Moeka.
Career overview
Moeka Koizumi is a Japanese actress, voice actress, and singer born on February 27, 1996, in Amagasaki, Hyogo Prefecture, Japan. She is affiliated with the agency Amuse and is also known by the alternative name Koizumi Moeka. Her career in the entertainment industry began after she won the grand prix in the singing and voice acting area of the Amuse Audition Festival 2014, leading to her professional debut in 2015. Over the course of her career, she has accumulated sixty-six known credits in acting across television and film projects.
Koizumi is best known for several prominent voice acting roles in popular anime and multimedia franchises. Among her most recognized characters are Nana Daiba in Revue Starlight, Shioriko Mifune in Love Live! Nijigasaki High School Idol Club, and Jennifer Yuka Sasago in D4DJ. These roles have established her presence in the Japanese voice acting and entertainment sectors.
In addition to her solo acting and voice acting work, Koizumi expanded her musical career in 2021 by forming the musical duo harmoe alongside Haruki Iwata, under the management of Pony Canyon. The duo released their first single, titled Kimagure Tictack, which achieved a peak position of eleventh place on the daily Oricon Singles Chart. Through her continued work in acting, voice acting, and music, Koizumi maintains an active professional career represented through multiple media platforms and credits.
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Frequent co-stars
Career timeline
Full filmography
- Revue Starlight —The MUSICAL— The Distant El Dorado (2026) as Nana Daiba / Luigi Graziani / Giovanni Negretti
- Love Live! Nijigasaki High School Idol Club FLOWER MUSIC LIVE 'Boooooom Boooooom Bee!!' (2026)
- LINK CLICK Game of Rules the Musical (2026) as Rin/Qiao Ling
- Erica (2026)
- ZatsuTabi -That's Journey- (2025) Theme Song Performance
- Harmony of Mille-Feuille (2025) as Mizuki Fujishiro (voice)
- Harmony of Mille-Feuille (2025) Songs
- Possibly the Greatest Alchemist of All Time (2025) as Máni (voice)
- Possibly the Greatest Alchemist of All Time (2025) Theme Song Performance
- Love Live! Nijigasaki High School Idol Club Final Chapter Part 2 (2025) as Shioriko Mifune (voice)
- Love Live! Series Asia Tour 2024 ~Minna de Kanaeru Monogatari~ (2025) as Shioriko Mifune
- harmoe 3rd LIVE TOUR "ii’m here" (2025) as Herself
- Love Live! Series Presents Unit Koushien 2024 (2024) as Shioriko Mifune
- Love Live! Nijigasaki High School Idol Club Final Chapter Part 1 (2024) as Shioriko Mifune (voice)
- Revue Starlight ―The MUSICAL― The Wartime of Farewells (2024) as Nana Daiba
- Love Live! Nijigasaki High School Idol Club 7th Live! NEW TOKIMEKI LAND (2024) as Shioriko Mifune
- NieR:Automata Ver1.1a (2023) as Dahlia (voice)
- I Shall Survive Using Potions! (2023) as Emile (voice)
- Bakuken: The Genpei Final Battle (2023) as Orochi
- Nijiyon Animation (2023) as Shioriko Mifune (voice)
- ラブライブ！虹ヶ咲学園スクールアイドル同好会 UNIT LIVE! ～R3BIRTH R3VOLUTION～ (2023) as Shioriko Mifune
- Love Live! Nijigasaki High School Idol Club 6th Live! I love You ⇆ You love Me (2023) as Shioriko Mifune
- Love Live! Nijigasaki High School Idol Club: Next Sky (2023) as Shioriko Mifune (voice)
- Love Live! Nijigasaki High School Idol Club UNIT LIVE (2023) as Shioriko Mifune
- Revue Starlight Band Live "Starry Session" (2023) as Nana Daiba
- Revue Starlight ―The LIVE― #4 Climax (2023) as Nana Daiba
- Love Live! Nijigasaki High School Idol Club Nijitabi! TOKIMEKI FAN MEETING TOUR (2023) as Shioriko Mifune
- Ijigen Fes IDOLM@STER★♥Love Live! Uta Gassen (2023) as Shioriko Mifune
- harmoe 2nd LIVE TOUR「GOOD and EVIL」 (2023) as Herself
- ODDTAXI in the Woods (2022) as Shiho Ichimura (voice)
- Sato Hinata Koizumi Moeka no Batotte Dinosaur in Fukui (2022) as Self
- Love Live! Nijigasaki High School Idol Club 5th Live! Where the Rainbow Blooms (2022) as Shioriko Mifune
- Bloom Into You encore (2022) as 七海燈子
- Revue Starlight Orchestra Concert (2022) as Nana Daiba
- Sasamori Miyu Kaori "Densetsu no Ikimono - Chosa Roke in Hakodate" (2022) as Self
- Love Live! Nijigasaki Nijigasaki High School Idol Club 4th Live! ～Love the Life We Live～ (2022) as Shioriko Mifune
- harmoe 1st LIVE TOUR (2022) as Herself
- Love Live! Nijigasaki High School Idol Club UNIT LIVE & FAN MEETING vol.4 R3BIRTH ～First DELIGHT～ (2022) as Shioriko Mifune
- ODDTAXI (2021) as Shiho Ichimura (voice)
- Revue Starlight: The Movie (2021) as Nana Daiba (voice)
- D4DJ Petit Mix (2021) as Jennifer Yuka Sasago (voice)
- DIVOC-12 (2021) as Idol
- Love Live! Nijigasaki High School Idol Club Shuffle Festival (2021) as Shioriko Mifune
- Love Live! Nijigasaki High School Idol Club 2nd Live! (2021) as Shioriko Mifune
- Revue Starlight ―The LIVE― #3 Growth (2021) as Nana Daiba
- LoveLive! Series Presents COUNTDOWN LoveLive! 2021→2022 ~LIVE with a smile!~ (2021) as Shioriko Mifune
- YoRHa Girls Ver.1.1a (2021) as No21
- Love Live! Nijigasaki High School Idol Club (2020) as Shioriko Mifune (voice)
- Love Live! Nijigasaki High School Idol Club (2020) Theme Song Performance
- D4DJ (2020) as Jennifer Yuka Sasago (voice)
- Revue Starlight: Rondo Rondo Rondo (2020) as Nana Daiba (voice)
- Revue Starlight 3rd StarLive "Starry Diamond" (2020) as Nana Daiba
- Revue Starlight ―The LIVE Seiran― BLUE GLITTER (2020) as Nana Daiba
- Bloom Into You: Regarding Saeki Sayaka (2020) as Nanami Touko
- Revue Starlight 3rd StarLive "Starry Diamond" - Documentary (2020) as Self
- Revue Starlight ―The LIVE ONLINE― (2020) as Nana Daiba
- Shoujo☆Conte All Starlight (2019) as Nana Daiba
- Revue Starlight 2nd StarLive "Starry Desert" (2019) as Nana Daiba
- Revue Starlight ―The LIVE― #2 Transition (2019) as Nana Daiba
- Bloom Into You (2019) as Touko Nanami
- Revue Starlight Orchestra Live "Starry Konzert" (2019) as Nana Daiba
- Revue Starlight 2nd StarLive "Starry Desert" - Documentary (2019) as Self
- Inuyashiki (2018) as Assistant Anchor
- Revue Starlight (2018) as Nana Daiba (voice)
- Chronicle of the After-School Wars (2018) as Araso Tôtaka
- Revue Starlight ―The LIVE― #1 revival (2018) as Nana Daiba
- Revue Starlight 1st StarLive "Starry Sky" (2018) as Daiba Nana
- Revue Starlight 1st StarLive "Starry Sky" - Documentary (2018) as Self
- Love Live! Nijigasaki High School Idol Club Final Chapter Part 3 as Shioriko Mifune (voice)