Subaru Oozora is a Japanese virtual YouTuber and voice actor affiliated with the hololive production talent agency, where she is known as a member of its second generation of talents. Her career is primarily rooted in the virtual YouTuber industry, where she began her activities with her debut stream on September 16, 2018. Her character is officially described as the bright and cheerful manager of a mixed martial arts team and an e-sports club, a persona that carries into her various entertainment endeavors.

Within the field of voice acting, Oozora has taken on roles that often tie back to her virtual YouTuber persona and the broader hololive network. Her most prominent voice work is in anime and original net animation (ONA) projects produced by or featuring the hololive talent group. She provides the voice for the character Subaru Oozora in the long-running web anime series Holo no Graffiti, which started in 2019, and also voices herself in the series Miko no Tsutome. These roles are a direct extension of her on-screen personality and activities as a virtual YouTuber.

One of her credited voice acting roles in a traditional anime series is in Watanuki-san Chi to, also known as Watanuki Family and the Comedy Pioneer, where she plays the character Shinobu Yamamura. This series, which aired in 2020, represents a crossover from her virtual YouTuber work into a more conventional anime production.

Recurring collaborations in Oozora's career are primarily defined by her association with hololive Production. She frequently works alongside other hololive talents, such as Tokino Sora, with whom she has shared voice acting credits in projects like Watanuki-san Chi to. This network of talents often collaborates on music and other multimedia projects. Beyond voice acting, Oozora is involved in music performance as part of the group NEGI☆U, contributing theme songs for various anime and related media.