is a Japanese actress and singer. She has voiced many different types of characters, from young girls to adult women, as well as boys and animals.
Her roles include leads such as Ryuko Matoi in Kill la Kill, Charlotte E. Yeager in Strike Witches series, Kallen Stadtfeld in Code Geass, Anemone in Eureka Seven, Irina Tachibana in Rio: Rainbow Gate, Nadja Applefield in Ashita no Nadja, Leonmitchelli Galette Des Rois in Dog Days, Shizuri Mugino in A Certain Scientific Railgun series, Yumi Hoshino in KimiKiss: Pure Rouge, Takuto Hasegawa in Magician's Academy, Hibiki Hojo in Suite PreCure, Nanaka Yatsushiro in Myself ; Yourself, Ersha in Cross Ange, Himari Noihara in Omamori Himari, Sailor Jupiter in Sailor Moon Crystal, Mikumo Guynemer in Macross Delta, Nodoka Haramura in Saki, Tenma Tsukamoto in School Rumble, Holo in Spice and Wolf, Ibuki Mioda from the Danganronpa series, and Yang Xiao Long in both RWBY (Japanese dub) and RWBY: Ice Queendom.
In video games, she voiced notable characters like Agnès Oblige in Bravely Default, Mai Shiranui since KOF Sky Stage, Mist in Rune Factory, Rimurisu in Tears to Tiara, Rinka in the Atelier series, Hoshimi Miyabi in Zenless Zone Zero (Japanese Dub), Tsuruhime in Sengoku Basara, Yukiko Amagi in Persona 4, Captain/Major Claire Rieveldt and Musse Egret in The Legend of Heroes: Trails of Cold Steel series, Beidou (Hokuto in Japanese) in Genshin Impact (Japanese Dub), and Zima and Projekt Red in Arknights. She also is known for her dubbing role for Thailand films which starred Yanin Vismitananda. In addition, she also voiced in the live action anime film Shimajiro and the Rainbow Oasis.
Career At the age of 12, Koshimizu joined Theater Company Wakakusa.矢尾一樹の出張!!矢尾ちゃんの部屋 第37回にゲスト出演時に本人が明言 In the second year of junior high school, she was over 160 cm tall and was troubled by the fact that she could not get roles as a child actor. Influenced by her senior in the troupe, Mayumi Iizuka, she began to aspire to become a voice actor. In 2003, she passed an audition for Ashita no Nadja and made her voice acting debut as the lead Nadja Applefield. She continued her career with roles in School Rumble (as Tenma Tsukamoto), Onegai My Melody (as Miki Sakurazuka), and Eureka Seven (as Anemone).
In 2007, she won the 1st Seiyu Awards for Best Actress in a supporting role for her role as Kallen Stadtfeld in Code Geass, and in 2011, she starred in Suite PreCure (Hibiki Hojo/Cure Melody) for the second time since her debut in the 8:30 - 9:00 Sunday slot produced by Asahi Broadcasting Corporation. She also visited Anime Expo as a guest of honor to promote Kill la Kill as Ryuko Matoi.
On September 30, 2011, Koshimizu left Production Baobab, where she had belonged for four years, and joined Axlone on October 1, 2011. On February 28, 2018, she left Axlone and announced that she would be working as a freelancer. On January 7, 2022, she announced that she will be under her own agency, Office Restart.
Filmography Animation + List of voice performances in animation Year Title Role Notes Source Ashita no Nadja Nadja Applefield Gunslinger Girl Claes Monochrome Factor Asamura Mayu –05 Futari wa Pretty Cure series Natsuko Koshino Also Max Heart –07 Onegai My Melody series Miki Sakurazuka Sweet Valerian Kanoko –06 School Rumble series Tenma Tsukamoto –05 Futakoi Sumireko Ichijō Also Alternative Eureka Seven Anemone Immortal Grand Prix Yuri Jinno My-Otome Nina Wáng Lemon Angel Project Saya Yuuki Simoun Paraietta Kamisama Kazoku Tenko Muteki Kanban Musume Megumi Kannazuki –08 Code Geass series Kallen Stadtfeld Shida, Hidekuni et al. "Code Geass". (January 2007) Newtype USA pp. 56–59. Kujibiki Unbalance Ritsuko Kübel Kettenkrad –09 My-Otome Zwei Nina Wong OVA Keitai Shoujo Ichiru Mishima web series Aika R-16: Virgin Mission Aika Sumeragi OVA series Myself ; Yourself Nanaka Yatsushiro KimiKiss: Pure Rouge Yūmi Hoshino H2O: Footprints in the Sand Takuma Hirose –09 Spice and Wolf series Holo –09 My-Otome 0~S.ifr~ Sifr Fran OVA –present Strike Witches series Charlotte E. Yeager Magician's Academy Takuto Hasegawa 2008–present Case Closed Yui Uehara Maria-sama ga Miteru Kanako Hosokawa season 4 The Girl Who Leapt Through Space Mintao Phantom: Requiem for the Phantom Mio Fujieda Tears to Tiara Limwris –14 Saki series Nodoka Haramura GA Geijutsuka Art Design Class Mizubuchi Sora no Manimani Fumie Kotozuka Umineko: When They Cry Rosa Ushiromiya Aika Zero Aika Sumeragi OVA series –10 Tegami Bachi Aria Link Also Reverse Natsu no Arashi! Umeyashiki Ladies versus Butlers! Sanae Shikikagami Omamori Himari Himari Noihara –11 Nura: Rise of the Yokai Clan Sasami Psychic Detective Yakumo Nao Saito Star Driver Keito Nichi –13 Hyakka Ryōran series Charles d'Artagnan Rio: Rainbow Gate Irina Tachibana Freezing Ingrid Bernstein –12 Suite PreCure Hibiki Hojo/Cure Melody –15 Dog Days series Leonmichelli Galette des Rois Gintama Sayaka Otakai The World God Only Knows Kusunoki Kasuga season 2 Nyanpire the Animation Nyanpire The Mystic Archives of Dantalian Flamberge –12 Horizon in the Middle of Nowhere series Tomo Asama Persona 4 Yukiko Amagi Mobile Suit Gundam AGE Arisa Gunhale Busou Chuugakusei Basket Army Toko Natori web series Is This a Zombie? Of the dead Naegleria "Nene" Nebiros Medaka Box Fue Yobuko 2012Daily Lives of High School BoysYoshitake's older sister Jormungand series Schokolade Hyoka Midori Yamanishi Nakaimo - My Sister Is Among Them! Ikusu Mizutani Maoyu Mao Seitokai no Ichizon Lv. 2 Asuka Matsubara Devil Survivor 2: The Animation Hinako Kujou Yondemasuyo, Azazel-san Mayu Hanasaki A Certain Scientific Railgun S Shizuri Mugino Kill la Kill Ryuko Matoi Gingitsune Hiwako Funabashi D-Frag! Minami Osawa Also theme song Love, Chunibyo & Other Delusions Natsumi Tokugawa (fake Mori Summer) Black Bullet Miori Shiba Soul Eater Not! Shaula Atelier Escha & Logy: Alchemists of the Dusk Sky Rinka Ane Log: Moyako Neesan no Tomaranai Moyako Konoe OVA series Sengoku Basara: End of Judgement Tsuruhime –15 Pretty Guardian Sailor Moon Crystal Makoto Kino / Sailor Jupiter ONA,Season 1&2 Fate/kaleid liner Prisma Illya series Caren Hortensia Starting from 2wei Persona 4: The Golden Animation Yukiko Amagi Renai Senka -The Special Class of Love- Yukio Takabayashi "Manga 2.5" motion-animated comic Cross Ange Ersha Yurikuma Arashi Konomi Yurikawa Gangsta. Constance Raveau Himouto! Umaru-chan Manager Kanau Prison School Kate Takenomiya Myriad Colors Phantom World Ayumi Kitajima Divine Gate Irfit Gate: Jieitai Kanochi nite, Kaku Tatakaeri – Enryuu-hen Tyuule Macross Delta Mikumo Guynemer Pretty Guardian Sailor Moon Crystal Season III Makoto Kino/Sailor Jupiter TV Anime,Season 3 Joker Game Ellen Price Anne Happy Saginomiya-sensei Ep. 9 Rin-ne Ranko season 2 D.Gray-man Hallow Miranda Lotto Danganronpa 3: The End of Hope's Peak High School Ibuki Mioda Despair Arc Bungo Stray Dogs Ozaki Kōyō 2017–24 My Hero Academia Sirius –18 The King of Fighters: Destiny Mai Shiranui, Rock Howard (child) web series 2017 Konbini Kareshi Nozomi Itokawa 2017 Masamune-kun's Revenge Midori Yuisaki 2017 Garo: Vanishing Line Gina 2017 Yu-Gi-Oh! VRAINS Kyoko Taki/Baira 2017 Sagrada Reset Sasane Ukawa 2017 Tomica Hyper Rescue Drive Head Kidō Kyūkyū Keisatsu Megumi Shinmon 2018–21 B: The Beginning Kaela Yoshinaga 2018 Devilman Crybaby Miki "Miko" Kuroda 2018 Darling in the Franxx Code:703/Naomi, young Hiro 2018 Overlord II Lakyus Alvein Dale Aindra 2018 A Certain Magical Index III Shizuri Mugino 2018 Zoids Wild Sauce, Yokan 2018 The Girl in Twilight Nana Nanase 2018 Inazuma Eleven: Ares Tanukigahara Ponko 2019 Wataten!: An Angel Flew Down to Me Chizuru Hoshino 2019 Demon Slayer: Kimetsu no Yaiba Spider Demon (Mother) Ep.16 2020 A Certain Scientific Railgun T Shizuri Mugino 2020 The Misfit of Demon King Academy Emilia Ludowell 2020 Iwa-Kakeru! Sport Climbing Girls Asuka Fujimura 2020 Our Last Crusade or the Rise of a New World Shanorotte Gregory 2020–22 Princess Connect! Re:Dive Shiori / Shiori Kashiwazaki 2020 Diary of Our Days at the Breakwater Sayaka Kotani 2021 Back Arrow Fine Forte 2021 Girlfriend, Girlfriend Saki's mom 2021 Kimi to Fit Boxing Sophie 2021 Deep Insanity: The Lost Child Vera Rustamova 2022 Girls' Frontline G36 2022 Mahjong Soul Pong Yui Yagi 2022 Birdie Wing: Golf Girls' Story Amane Shinjō 2022 RWBY: Ice Queendom Yang Xiao Long 2022 Lycoris Recoil Mizuki Nakahara 2022 Management of a Novice Alchemist Maria 2022 Reincarnated as a Sword Amanda The Way of the Househusband Koharu web series 2023 The Fruit of Evolution 2 Angurea 2023BOFURI: I Don't Want to Get Hurt, so I'll Max Out My DefenseBell/New SecretarySeason 2 2023 KamiKatsu Gaia 2023 My One-Hit Kill Sister Kilmaria 2023 Otaku Elf Elda 2023 Am I Actually the Strongest? Irisphilia 2023 Level 1 Demon Lord and One Room Hero Yuria 2023 The Rising of the Shield Hero Sadeena Season 3 2023 The Apothecary Diaries Pairin 2024 Tsukimichi: Moonlit Fantasy Navarre Polar Season 2 2024 Shaman King: Flowers Luca Asakura 2024 Cherry Magic! Thirty Years of Virginity Can Make You a Wizard?! Nozomi Fujisaki 2024 Shangri-La Frontier Tsukuyo Tsukuri 2024 Gods' Games We Play Miranda 2024 Spice and Wolf: Merchant Meets the Wise Wolf Holo 2024 The Many Sides of Voice Actor Radio Ringo Kagasaki 2024 Bye Bye, Earth Benedictine 2024 Failure Frame: I Became the Strongest and Annihilated Everything with Low-Level Spells Vicious 2024 Mission: Yozakura Family Akai 2024 365 Days to the Wedding Asako Kurokawa 2025 Medalist Nozomi Yuitsuka 2025 Grisaia: Phantom Trigger the Animation Aoi 2025 Flower and Asura Owari Konoyono 2025 The Daily Life of a Middle-Aged Online Shopper in Another World Amaranthus 2025 Miru: Paths to My Future Big Sis 2025 Beyblade X Omega Shiroboshi 2025 Witch Watch Honoka Shirafuji 2025 Cat's Eye Rui Kisugi web series 2025 Dusk Beyond the End of the World Fldes 2025 A Wild Last Boss Appeared! Lufas Maphaahl 2025 Mechanical Marie Marie-2 2025 Umamusume: Cinderella Gray Glory Garibaldi Second cour 2026 Wash It All Away Asami Yagara 2026 Reincarnated as a Dragon Hatchling Divine Voice 2026 Chained Soldier Kuusetsu Season 2 2026Roll Over and DieNeigass 2026 Snowball Earth Ao Nogi 2026 Jaadugar: A Witch in Mongolia Töregene 2026 I Became a Legend After My 10 Year-Long Last Stand Lefy 2026 Vertex Force Eleanor Northbrook 2026 A Certain Dark Item Shizuri Mugino 2026 Magical Girl Raising Project: Restart Akane 2027 Tune In to the Midnight Heart Riina Yamabuki Season 2
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