Harada was born in Chiba Prefecture. After thinking about what course to take after graduating from high school, she decided to enter a voice acting school in 2015. She had not seen much anime neither manga.[2]
Harada appeared in minor roles in anime series such as Lostorage Incited WIXOSS and Time Bokan 24. She first played a lead role in an anime series as the character Ai-chan in the original net animation short series Tawawa on Monday in 2016.[3] Her next main role was as Chiya, the protagonist of the 2017 anime television series Urara Meirocho. Harada had auditioned for the role, and was given it after a number of re-recordings. She also read the manga afterwards, describing Chiya as a "bright, pure, straightforward, and cute little thing."[2] Harada, Kaede Hondo, Yurika Kubo and Haruka Yoshimura, performed the series' opening theme "Dreaming Labyrinth" (夢路らびりんす, Yumeji Rabirinsu).[4] Her next main role is Miyu Mifune in The Idolmaster Cinderella Girls, a role she reprised from the original game.[5] She also played the role of Sayaka Sumino in Aho-Girl,[6] and will play the role of Shinobu Yūki in the anime television series UQ Holder!. She is one of the cast members singing for the series' opening and ending themes.[7] On July 31, 2019, it was announced that she left Clare Voice to become a freelancer.[8]