In the fast-paced and competitive world of voice acting, Futaba Ichinose dreams of becoming a top-tier professional. She scrambles to find her unique voice and style, hoping to land auditions and performance sessions while mingling with industry giants. Thankfully, Futaba is not alone in her pursuit. She finds solace in two allies: Ichigo Moesaki, who wants to be an idol and claims to be a princess from another planet, and Rin Kohana, a child actress balancing school and work. Together, they navigate the challenges of the entertainment industry. Unfortunately, Futaba's career might end abruptly. With a performance assessment at her agency coming up, her future is uncertain. However, Sore ga Seiyuu! is a lighthearted and authentic ode to the industry behind anime's voices.