Nako Eguchi is a Japanese voice actress and singer from Fukuoka Prefecture, born on May 18, 1993. Her path to voice acting was shaped by early interests in anime and manga, and later, a fascination with Vocaloid software during high school, which inspired her to pursue a career involving voice work. Before her formal debut, she engaged in music activities under the name Hinanata. Her entry into the industry came at the age of 18 when she won a public audition to provide the singing voice for the Vocaloid3 library character Aoki Lapis.

Eguchi's career encompasses voice acting in anime, video games, and other media, as well as music performance. In television animation, she has taken on a variety of roles. A significant early role was as Kirara Hanazono in the series Aikatsu Stars!. She is also known for voicing Roro Morooka in the 2018 television anime Music Girls, a role that also involved performing character songs for the series. Her other anime credits include roles in series such as 100% Pascal-sensei, Fate/Apocrypha, Butlers ~Chitose Monogatari~, and both seasons of Laid-Back Camp (Yuru Camp△).

In addition to anime, Eguchi has voiced characters in numerous video games. Her game credits include Gardenia Kirara in Aikatsu! Photo on Stage, Sorā in Little Witch Academia: Chamber of Time, and various characters in titles like Shiro Project and Smash & Magic. Her work also extends to other areas, such as providing the voice for the温泉女孩 (Onsen Musume) character Kinoshita Kinomi.

Beyond performing, Eguchi has been involved in creative aspects of her projects, contributing as a lyricist for character songs and other music. She was formerly affiliated with the agency 81 Produce, having joined as a junior talent in 2016, and later transitioned to working as a freelancer to broaden her creative opportunities. Her role in the Music Girls project also led to the release of a character single album titled Oasis in September 2018, which featured songs performed as her character, Roro Morooka.