Runa Narumi, a native of Onomichi, Hiroshima Prefecture, was born on 19 November 1995.
[4] She had minor roles in Jingai-san no Yome, Rifle Is Beautiful, Argonavis from BanG Dream!, Interspecies Reviewers, and Yatogame-chan Kansatsu Nikki.
[9] On 15 October, her agency announced that she would be on an indefinite career hiatus due to health issues.
In January 2022, it was announced that Shio Kisui would replace her as the voice actress for Yuika Mitsumine.
[12] Sachika Misawa was recast as Narumi's replacement as the voice actor for the Onsen Musume character Mikasa Sengokuhara.