Hanazawa began acting when she was in kindergarten. She made regular appearances at the live-action variety program
Yappari Sanma Daisensei. She made her voice acting debut as Holly in
Last Exile. She signed up with the voice acting agency Office Osawa. Suou in
Darker than Black: Gemini of the Meteor, Nadeko Sengoku in
Bakemonogatari,
Angel / Kanade Tachibana in
Angel Beats, and Anri Sonohara in
Durarara!!. She graduated from university in 2011, and in the same year became a full-time voice actress. In late 2010, she was invited to the
Anime Festival Asia anime convention in Singapore. As a child, Hanazawa often sang
idol songs and was a fan of
Hello! Project, particularly of
Miki Fujimoto. While voice acting for
Bakemonogatari, Hanazawa performed the song "
Renai Circulation", one of the series' opening theme songs and the
image song for her character, Nadeko Sengoku. The success of the song later led to Hanazawa receiving more offers to perform character songs and, eventually, a singing career. On February 23, 2012, it was announced that Hanazawa would launch her official website. A few days later, during the "Kana Hanazawa Solo Debut Presentation Party event", it was announced that she would release four singles within a year: released on April 25, , released on July 18, "Happy Endings", released on October 24 and was used as ending theme for anime
Zetsuen no Tempest, and "Silent Snow", released on January 16, 2013. Her first album
Claire was released on February 20, 2013, The Blu-ray release of the show,
Live Avenue Kana Hanazawa in Budokan, ranked number six in sales. Hanazawa won Best Supporting Actress at the
9th Seiyu Awards. Hanazawa moved to the
Sacra Music record label under Sony Music Entertainment Japan in April 2017. On July 1, 2021, Hanazawa transferred her record label to
Pony Canyon. ==Personal life==