Having aspired to become a voice actress since her early life, she entered a training school, and after graduating became affiliated with I'm Enterprise.
She made her voice acting debut in 2016, and played her first lead role in 2018 as the character Kaoruko Moeta in the anime television series Comic Girls.
During her sixth grade of elementary school, Akao watched the anime series Naruto on television.
She began her voice acting career playing minor roles in anime series such as Love Live!
[1] She also became a host of a weekly radio program with fellow voice actors Sayaka Senbongi and Misaki Watada.