Haruka Kōzuki is a Japanese voice actress and model from Osaka Prefecture, born on November 11th. Before adopting her current stage name, she was active in the entertainment industry under the name MAIA. Her initial career path included modeling and working as a maid in the Osaka café Sweet Tease, where she won the Miss Ponbashi Contest 2014. Her ambition to become a voice actor was sparked by the anime Fruits Basket.

Kōzuki officially began her voice acting career in 2016, with her debut role being Ririya in the game app Armed Princess. She moved to Tokyo in May of that year after joining RME Inc. to focus on her voice acting career. Over the years, she has been affiliated with several agencies, including a period of business partnership with Amuleto in late 2019, before joining Stay Luck in October 2020. In June 2023, she announced her departure from Stay Luck to continue her career as a freelance voice actor and talent.

As a voice actor, Kōzuki is known for her work in games and dubbing. A notable major role is Chinatsu Hinomiya in the Blue Archive series, a character she voices in the games and related animations. Her vocal performance is often described as having a memorable presence with a tone that balances energy and softness, allowing her to portray a range of characters from cute to cool.

In addition to her voice work, Kōzuki possesses a diverse set of skills that inform her performances. She holds a black belt in karate and is also experienced in boxing and climbing. Her background includes work as a model and MC, contributing to her comfort in front of the camera for live events and web programs. She is known for her active engagement with online culture, including personal streaming and an affinity for gaming, which has fostered a natural connection with the Vtuber community.