Hie is the stage name of Hisayo Inamori, a Japanese singer, voice actor, and fashion model born in Kanagawa Prefecture on July 22, 1991. Her career began in 2007 when she won the grand prize in a Dreamgirls audition held to coincide with the film's release in Japan, leading to her becoming an exclusive model for the fashion magazine Cawaii! later that year. She made her musical debut in 2008 under the Avex label with the single GIRLS STYLE, releasing several singles and performing at major events like a-nation.

As a voice actor, Hie is known for her role as Rinko Namino in the 2013 television anime and video game Danbōru Senki Wars (LBX Wars). Her other voice acting credits include the character Arl in the game Fantatenisu, Monica in Phantom of the Kill, and Nemimi Nezunaki in the 2020 game Quiz RPG: The World of Mystic Wiz. She has also voiced characters in the anime Pac-World and the character content project Omuro Musume.

In 2017, Hie demonstrated her versatility by winning the grand prize in the first Seiyuu Grand Prix magazine page-turning audition, Seiyuu Survival. Beyond voice acting, she has an extensive career in stage performance, appearing in numerous productions from 2017 onwards, including several with the朗読パンダ (Reading Panda) troupe. Her affiliation has shifted over the years; she was with Avex until 2019, then moved to Production Ace, and has been working as a freelancer since May 2022. Her body of work spans music, modeling, voice acting for animation and games, stage acting, and DJing.