is a Japanese voice actress, lyricist, composer, and singer from Kyoto.
Biography
Koiwai was born in Kyoto on February 15, 1990. She initially took interest in voice acting after hearing the voice of Pikachu in the Pokémon anime. Afterwards, after working as a make-up model and as a narrator while still in high school, she became a voice actress.
Her debut as a voice actress was in 2011 in the anime Blue Exorcist.
Koiwai is also a songwriter and a lyricist. She writes songs and lyrics for voice actress Rie Tanaka. She also wrote the song and lyrics for a song for Idolmaster Million Live! that she also performs herself.
In 2019, she announced that she had been accepted into Mensa. She also provided guest vocals for "3+6+9" on the album Amateras of the Japanese band Blood Stain Child.
In 2020, she started doing ASMR streams and created her own ASMR Label: Kotoneiro.
Filmography
Anime 2011 Blue Exorcist (Yoshikuni)
2012 Psycho-Pass (Yuki Funahara) Joshiraku (Kigurumi Harōkitei)
2013 Day Break Illusion (Minori Murakami) Fantasista Doll (Medallia, Proto-Zero, Rembrandt, Sonnet, Suzuri, Ukiwa) Gatchaman Crowds (Utsutsu Miya) Gingitsune (Fuku) Non Non Biyori (Renge Miyauchi) Sunday Without God (Gigi Totogi, Jiji) The Severing Crime Edge (Iwai Mushanokōji)
2014 Barakamon (Aiko Kōmoto) Captain Earth (Mia, Pitz) M3: Sono Kuroki Hagane (Sasame Izuriha, Tsugumi) Magica Wars (Mebuki Konoe) Mekakucity Actors (Hiyori Asahina) Saki: The Nationals (Maho Yumeno) Soul Eater Not! (Kana Altair) The Seven Deadly Sins (Elaine)
2015 Aikatsu! (Nono Daichi) Charlotte (Konishi) Gatchaman Crowds: insight (Utsutsu Miya) Nisekoi: (Suzu Ayakaji) Non Non Biyori Repeat (Renge Miyauchi) The Rolling Girls (Tsuruha)
2016 Mob Psycho 100 (Mari) Tanaka-kun Is Always Listless (Shiraishi)
2017 Blue Exorcist: Kyoto Saga (Kinoshita, Young Konekomaru) KiraKira Pretty Cure A La Mode (Emiru Kodama) Chain Chronicle: Light of Haecceitas (Juliana)
2018 Teasing Master Takagi-san (Mano) The Seven Deadly Sins: Revival of The Commandments (Elaine) Goblin Slayer (Mage)
2019 Pastel Memories (Saori Rokugou) Teasing Master Takagi-san 2 (Mano) After School Dice Club (Ren Shibusawa) Val × Love (Kururi Saotome)
2020 Smile Down the Runway (Kanami Oguri)
2021 Cute Executive Officer (Designer) Non Non Biyori Nonstop (Renge Miyauchi) Godzilla Singular Point (Yukie Kanoko) I've Been Killing Slimes for 300 Years and Maxed Out My Level (Kuku)
2022 Teasing Master Takagi-san 3 (Mano) Bocchi the Rock! (PA-san, JimiHen)
2023 The Legend of Heroes: Trails of Cold Steel – Northern War (Millium Orion) D4DJ All Mix (Michiru Kaibara) Ōoku: The Inner Chambers (Sato, Sadakichi, Yotsuba)
2024 Plus-Sized Elf (Kobo) Shy Season 2 (Ai Tennoji)
2025 Medalist (Ema Yamato) Tougen Anki (Mei)
Other 2019 Vocaloid (MEIKA Hime & Mikoto) 2021 NEUTRINO (No.7)
Theatrical animation Friends: Mononoke Shima no Naki (2011) (Gotchi & Kutchi) Non Non Biyori Vacation (2018) (Renge Miyauchi) Teasing Master Takagi-san: The Movie (2022) (Mano)
Video games 2013 The Idolmaster Million Live! (Tomoka Tenkubashi) The Legend of Heroes: Trails of Cold Steel (Millium Orion) Fantasista Doll (Suzuri, Proto-Zero, Sonnet) Mugen Souls Z (Tioni)
2014 Hyperdevotion Noire: Goddess Black Heart (Lestra) Chain Chronicle (Various Arcana/Characters) Atelier Shallie: Alchemists of the Dusk Sea (Shallistera) The Legend of Heroes: Trails of Cold Steel II (Millium Orion) Granblue Fantasy (Daetta), (Goblin Mage)
2017 The Legend of Heroes: Trails of Cold Steel III (Millium Orion)
2018 Blustone 2 (Tyltyl) The Legend of Heroes: Trails of Cold Steel IV (Millium Orion, Sandy, Jingo)
2020 Azur Lane (Suzutsuki)
2021 D4DJ Groovy Mix (Michiru Kaibara) Gate of Nightmares (Mei Fang, Mousse)
2022 Genshin Impact (Yun Jin)
2023 Da Capo 5 (Menoa Yasaka) Crymachina (Vida)
2025 Kemono Teatime (Tarte)
References
External links